Infiniti Vehicle Models QX70 2014-2017
Infiniti Vehicle Models QX70 2014-2017 Torque Specifications
Complete Infiniti Vehicle Models QX70 2014-2017 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.
Updated
Important Information
Safety guidelines and reference information for proper torque application
Safety First
- Always verify torque specifications with your vehicle's factory service manual
- Use properly calibrated torque wrenches
- Replace all torque-to-yield (TTY) bolts - they are single-use only
- When in doubt, consult a professional mechanic
Quick Reference Guide
Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083
Common Torque Patterns
Star Pattern
Used for wheels and other circular bolt patterns
Cross Pattern
Used for gaskets and cover plates
Sequential Pattern
Used for head bolts and other critical components
Common Mistakes to Avoid
Common Mistakes to Avoid
Over-tightening
Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.
Prevention:
Always use a calibrated torque wrench and follow specifications exactly.
Incorrect Torque Sequence
Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.
Prevention:
Follow the manufacturer's specified torque sequence pattern.
Dirty Threads
Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.
Prevention:
Clean and inspect all threads before assembly. Use new thread locker if specified.
Reusing TTY Bolts
Torque-to-yield bolts are designed to stretch and must not be reused.
Prevention:
Always replace TTY bolts with new ones. They are single-use only.
Dry vs. Lubricated
Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.
Prevention:
Check if specs are for dry or lubricated threads. Use specified lubricant when required.
Recommended Tools
Recommended Tools
Torque Wrench (1/4" Drive)
Range: 2-25 ft-lbs
Small fasteners, delicate components
Torque Wrench (3/8" Drive)
Range: 10-100 ft-lbs
Most common automotive fasteners
Torque Wrench (1/2" Drive)
Range: 30-250 ft-lbs
Large fasteners, wheels
Angle Gauge
Torque-to-yield (TTY) bolts
Torque Wrench Care
- Calibrate annually or after 5,000 clicks
- Store at lowest setting
- Keep clean and lubricated
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3.7l Engine
Torque specifications for 3.7L Engine
3.7l Engine
Torque specifications for 3.7L Engine
Cylinder Head and Valvetrain
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average value from 18-23 ft-lbs (24-31 nm) range.
2 Rocker Arms/Shafts Bolts
M10 x 1.25
2
Rocker Arms/Shafts Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated average value from 22-29 ft-lbs (30-39 nm) range.
3 Valve Cover Bolts
M8 x 1.25
3
Valve Cover Bolts
M8 x 1.25
Torque Specification
52 in-lbs (6 N·m)
Important Notes
Estimated average value from 44-61 in-lbs (5-7 nm) range.
Engine Block and Bearings
1 Main Bearing Bolts
M14 x 1.5
1
Main Bearing Bolts
M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Estimated average value from 76-83 ft-lbs (103-113 nm) range.
2 Connecting Rod Nuts
M12 x 1.25
2
Connecting Rod Nuts
M12 x 1.25
Torque Specification
42 ft-lbs (57 N·m)
Important Notes
Estimated average value from 39-44 ft-lbs (53-60 nm) range.
Crankshaft and Flywheel
1 Flywheel Bolts
M14 x 1.5
1
Flywheel Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated average value from 61-69 ft-lbs (83-94 nm) range.
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Torque Specification
112 ft-lbs (152 N·m)
Important Notes
Estimated average value from 108-116 ft-lbs (147-157 nm) range.
Intake and Exhaust Manifolds
1 Intake Manifold Bolts
M10 x 1.25
1
Intake Manifold Bolts
M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average value from 18-23 ft-lbs (24-31 nm) range.
2 Exhaust Manifold/Header Bolts
M10 x 1.25
2
Exhaust Manifold/Header Bolts
M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average value from 18-23 ft-lbs (24-31 nm) range.
Timing and Accessory Components
1 Timing Belt/Chain Tensioner Bolt
M12 x 1.25
1
Timing Belt/Chain Tensioner Bolt
M12 x 1.25
Torque Specification
38 ft-lbs (52 N·m)
Important Notes
Estimated average value from 31-44 ft-lbs (42-60 nm) range.
2 Water Pump Bolts
M12 x 1.25
2
Water Pump Bolts
M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated average value from 61-69 ft-lbs (83-94 nm) range.
Engine Mounts and Transmission
1 Engine Mounting Bolts
M14 x 1.5
1
Engine Mounting Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs (54-68 nm) range.
2 Engine Block to Transmission Bolts
M14 x 1.5
2
Engine Block to Transmission Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs (54-68 nm) range.
Sensors and Electrical Components
1 Crankshaft Position Sensor Bolt
M8 x 1.25
1
Crankshaft Position Sensor Bolt
M8 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Estimated average value from 10-15 ft-lbs (14-20 nm) range.
2 Camshaft Position Sensor Bolt
M8 x 1.25
2
Camshaft Position Sensor Bolt
M8 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Estimated average value from 10-15 ft-lbs (14-20 nm) range.
3.7l V6 Engine
Torque specifications for 3.7L-V6 Engine
3.7l V6 Engine
Torque specifications for 3.7L-V6 Engine
Cylinder Head and Valvetrain
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average value from 18-23 ft-lbs (24-31 nm) range.
2 Rocker Arms/Shafts Bolts
M10 x 1.25
2
Rocker Arms/Shafts Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated average value from 22-29 ft-lbs (30-39 nm) range.
3 Valve Cover Bolts
M8 x 1.25
3
Valve Cover Bolts
M8 x 1.25
Torque Specification
52 in-lbs (6 N·m)
Important Notes
Estimated average value from 44-61 in-lbs (5-7 nm) range.
Engine Block and Bearings
1 Main Bearing Bolts
M14 x 1.5
1
Main Bearing Bolts
M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Estimated average value from 76-83 ft-lbs (103-113 nm) range.
2 Connecting Rod Nuts
M12 x 1.25
2
Connecting Rod Nuts
M12 x 1.25
Torque Specification
42 ft-lbs (57 N·m)
Important Notes
Estimated average value from 39-44 ft-lbs (53-60 nm) range.
Crankshaft and Flywheel
1 Flywheel Bolts
M14 x 1.5
1
Flywheel Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated average value from 61-69 ft-lbs (83-94 nm) range.
2 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
2
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Torque Specification
112 ft-lbs (152 N·m)
Important Notes
Estimated average value from 108-116 ft-lbs (147-157 nm) range.
Intake and Exhaust Manifolds
1 Intake Manifold Bolts
M10 x 1.25
1
Intake Manifold Bolts
M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average value from 18-23 ft-lbs (24-31 nm) range.
2 Exhaust Manifold/Header Bolts
M10 x 1.25
2
Exhaust Manifold/Header Bolts
M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated average value from 18-23 ft-lbs (24-31 nm) range.
Timing and Accessory Components
1 Timing Belt/Chain Tensioner Bolt
M12 x 1.25
1
Timing Belt/Chain Tensioner Bolt
M12 x 1.25
Torque Specification
38 ft-lbs (52 N·m)
Important Notes
Estimated average value from 31-44 ft-lbs (42-60 nm) range.
2 Water Pump Bolts
M12 x 1.25
2
Water Pump Bolts
M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Estimated average value from 61-69 ft-lbs (83-94 nm) range.
Engine Mounts and Transmission
1 Engine Mounting Bolts
M14 x 1.5
1
Engine Mounting Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs (54-68 nm) range.
2 Engine Block to Transmission Bolts
M14 x 1.5
2
Engine Block to Transmission Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs (54-68 nm) range.
Sensors and Electrical Components
1 Crankshaft Position Sensor Bolt
M8 x 1.25
1
Crankshaft Position Sensor Bolt
M8 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Estimated average value from 10-15 ft-lbs (14-20 nm) range.
2 Camshaft Position Sensor Bolt
M8 x 1.25
2
Camshaft Position Sensor Bolt
M8 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Estimated average value from 10-15 ft-lbs (14-20 nm) range.
5.0l Engine
Torque specifications for 5.0L Engine
5.0l Engine
Torque specifications for 5.0L Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 18 ft-lbs (24 N·m)
2. 23 ft-lbs (31 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2 Valve Cover Bolts
M6 x 1.0
2
Valve Cover Bolts
M6 x 1.0
Torque Specification
4.5 ft-lbs (6 N·m)
Important Notes
Torque values are estimated based on typical M6 bolt specifications.
Crankshaft And Bearings
1 Main Bearing Bolts
M12 x 1.5
1
Main Bearing Bolts
M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure proper crankshaft alignment.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
42 ft-lbs (57 N·m)
Important Notes
Torque values are estimated based on typical M8 bolt specifications.
Timing System
1 Timing Chain Tensioner Bolt
M10 x 1.25
1
Timing Chain Tensioner Bolt
M10 x 1.25
Torque Specification
38 ft-lbs (51 N·m)
Important Notes
Torque values are estimated based on typical M10 bolt specifications.
2 Camshaft Sprocket Bolt
M12 x 1.5
2
Camshaft Sprocket Bolt
M12 x 1.5
Torque Specification
62 ft-lbs (84 N·m)
Important Notes
Torque values are estimated based on typical M12 bolt specifications.
Intake And Exhaust
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure a proper seal.
2 Exhaust Manifold Bolts
M8 x 1.25
2
Exhaust Manifold Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to prevent exhaust leaks.
Accessories
1 Starter Motor Mounting Bolts
M8 x 1.25
1
Starter Motor Mounting Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Torque values are estimated based on typical M8 bolt specifications.
2 Alternator Mounting Bolts
M8 x 1.25
2
Alternator Mounting Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Torque values are estimated based on typical M8 bolt specifications.
5.0l V8 Engine
Torque specifications for 5.0L-V8 Engine
5.0l V8 Engine
Torque specifications for 5.0L-V8 Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 18 ft-lbs (24 N·m)
2. 23 ft-lbs (31 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure even clamping force.
2 Valve Cover Bolts
M6 x 1.0
2
Valve Cover Bolts
M6 x 1.0
Torque Specification
4.5 ft-lbs (6 N·m)
Important Notes
Torque values are estimated based on typical M6 bolt specifications.
Crankshaft And Bearings
1 Main Bearing Bolts
M12 x 1.5
1
Main Bearing Bolts
M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure proper crankshaft alignment.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
42 ft-lbs (57 N·m)
Important Notes
Torque values are estimated based on typical M8 bolt specifications.
Timing System
1 Timing Chain Tensioner Bolt
M10 x 1.25
1
Timing Chain Tensioner Bolt
M10 x 1.25
Torque Specification
38 ft-lbs (51 N·m)
Important Notes
Torque values are estimated based on typical M10 bolt specifications.
2 Camshaft Sprocket Bolt
M12 x 1.5
2
Camshaft Sprocket Bolt
M12 x 1.5
Torque Specification
62 ft-lbs (84 N·m)
Important Notes
Torque values are estimated based on typical M12 bolt specifications.
Intake And Exhaust
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to ensure a proper seal.
2 Exhaust Manifold Bolts
M8 x 1.25
2
Exhaust Manifold Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Follow the manufacturer's specified torque sequence to prevent exhaust leaks.
Accessories
1 Starter Motor Mounting Bolts
M8 x 1.25
1
Starter Motor Mounting Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Torque values are estimated based on typical M8 bolt specifications.
2 Alternator Mounting Bolts
M8 x 1.25
2
Alternator Mounting Bolts
M8 x 1.25
Torque Specification
21 ft-lbs (28 N·m)
Important Notes
Torque values are estimated based on typical M8 bolt specifications.
7r01 Transmission
Torque specifications for 7r01 Transmission
7r01 Transmission
Torque specifications for 7r01 Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M12 x 1.5
1
Transmission Mounting Bolts
M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Estimated average value from the provided range.
Transmission Oil Pan
1 Transmission Oil Pan Bolts
M8 x 1.25
1
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
77 in-lbs (9 N·m)
Important Notes
Estimated average value from the provided range.
Transmission Fluid System
1 Transmission Drain and Fill Plugs
M14 x 1.5
1
Transmission Drain and Fill Plugs
M14 x 1.5
Torque Specification
32 ft-lbs (44 N·m)
Important Notes
Estimated average value from the provided range.
2 Transmission Fluid Drain/Fill Plug
M14 x 1.5
2
Transmission Fluid Drain/Fill Plug
M14 x 1.5
Torque Specification
32 ft-lbs (44 N·m)
Important Notes
Estimated average value from the provided range.
Transmission Case
1 Transmission Case Bolts
M14 x 1.5
1
Transmission Case Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on general industry standards.
Valve Body
1 Valve Body Bolts
M10 x 1.25
1
Valve Body Bolts
M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on general industry standards.
Torque Converter
1 Torque Converter Bolts
M12 x 1.5
1
Torque Converter Bolts
M12 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on general industry standards.
Transmission Cooler Lines
1 Transmission Cooler Line Fittings
M10 x 1.25
1
Transmission Cooler Line Fittings
M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on general industry standards.
Body
Torque specifications for Body
Body
Torque specifications for Body
Suspension and Steering
1 Strut/Shock Absorber Mounting Bolts
M14 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M14 x 1.5
Torque Specification
88.5 ft-lbs (120 N·m)
Important Notes
Estimated average value from specified range.
2 Control Arm Bolts
M12 x 1.25
2
Control Arm Bolts
M12 x 1.25
Torque Specification
61.5 ft-lbs (83.5 N·m)
Important Notes
Estimated average value from specified range.
3 Steering Gear/Rack Bolts
M14 x 1.5
3
Steering Gear/Rack Bolts
M14 x 1.5
Torque Specification
88.5 ft-lbs (120 N·m)
Important Notes
Estimated average value from specified range.
Brake System
1 Brake Caliper Mounting Bracket Bolts
M14 x 1.5
1
Brake Caliper Mounting Bracket Bolts
M14 x 1.5
Torque Specification
88.5 ft-lbs (120 N·m)
Important Notes
Estimated average value from specified range.
Body and Frame
1 Hood Hinge Bolts
M10 x 1.25
1
Hood Hinge Bolts
M10 x 1.25
Torque Specification
20.5 ft-lbs (27.75 N·m)
Important Notes
Estimated average value from specified range.
2 Trunk Lid Hinge Bolts
M10 x 1.25
2
Trunk Lid Hinge Bolts
M10 x 1.25
Torque Specification
20.5 ft-lbs (27.75 N·m)
Important Notes
Estimated average value from specified range.
3 Door Hinge Bolts
M10 x 1.25
3
Door Hinge Bolts
M10 x 1.25
Torque Specification
20.5 ft-lbs (27.75 N·m)
Important Notes
Estimated average value from specified range.
4 Body Mount Bolts
M12 x 1.25
4
Body Mount Bolts
M12 x 1.25
Torque Specification
61.5 ft-lbs (83.5 N·m)
Important Notes
Estimated average value from specified range.
5 Bumper Mounting Bolts
M10 x 1.25
5
Bumper Mounting Bolts
M10 x 1.25
Torque Specification
20.5 ft-lbs (27.75 N·m)
Important Notes
Estimated average value from specified range.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper Assembly
1 Brake Caliper Bolts
M12 x 1.5
1
Brake Caliper Bolts
M12 x 1.5
Torque Specification
62 ft-lbs (84 N·m)
Important Notes
Torque value is the midpoint of the specified range.
2 Brake Caliper Mounting Bracket Bolts
M14 x 1.5
2
Brake Caliper Mounting Bracket Bolts
M14 x 1.5
Torque Specification
89 ft-lbs (121 N·m)
Important Notes
Torque value is the midpoint of the specified range.
Brake Rotor and Drum Assembly
1 Brake Disc/Drum Retaining Bolts
M10 x 1.25
1
Brake Disc/Drum Retaining Bolts
M10 x 1.25
Torque Specification
62 ft-lbs (84 N·m)
Important Notes
Torque value is the midpoint of the specified range.
2 Brake Rotor Bolts (if applicable)
M8 x 1.25
2
Brake Rotor Bolts (if applicable)
M8 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque value is estimated and may vary depending on the specific vehicle and component manufacturer.
Wheel and Hub Assembly
1 Wheel Lug Nuts
M14 x 1.5
1
Wheel Lug Nuts
M14 x 1.5
Torque Specification
87 ft-lbs (118 N·m)
Important Notes
Torque value is the midpoint of the specified range.
Brake Master Cylinder and ABS System
1 Brake Master Cylinder Mounting Bolts
M10 x 1.25
1
Brake Master Cylinder Mounting Bolts
M10 x 1.25
Torque Specification
23 ft-lbs (31 N·m)
Important Notes
Torque value is estimated and may vary depending on the specific vehicle and component manufacturer.
2 Brake Line Fittings
M8 x 1.25
2
Brake Line Fittings
M8 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Torque value is estimated and may vary depending on the specific vehicle and component manufacturer.
3 ABS Sensor Bolts (if equipped)
M6 x 1.0
3
ABS Sensor Bolts (if equipped)
M6 x 1.0
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Torque value is estimated and may vary depending on the specific vehicle and component manufacturer.
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine To Transmission
1 Engine Block to Transmission Bellhousing Bolts
M14 x 1.5
1
Engine Block to Transmission Bellhousing Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, may vary depending on the specific application and manufacturer's recommendations.
Transmission Mounting
1 Transmission Mounting Bolts
M12 x 1.25
1
Transmission Mounting Bolts
M12 x 1.25
Torque Specification
37 ft-lbs (50 N·m)
2 Transmission Crossmember Bolts
M14 x 1.5
2
Transmission Crossmember Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, may vary depending on the specific application and manufacturer's recommendations.
Transmission Oil Pan
1 Transmission Oil Pan Bolts
M8 x 1.25
1
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
77 in-lbs (9 N·m)
Drive Axle Half Shaft
1 Drive Axle/Half Shaft Bolts
M16 x 1.5
1
Drive Axle/Half Shaft Bolts
M16 x 1.5
Torque Specification
62 ft-lbs (84 N·m)
Cv Joint Axle Nut
1 CV Joint/Axle Nut
M20 x 1.5
1
CV Joint/Axle Nut
M20 x 1.5
Torque Specification
188 ft-lbs (255 N·m)
Propeller Drive Shaft
1 Propeller/Drive Shaft Bolts
M14 x 1.5
1
Propeller/Drive Shaft Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Differential
1 Differential Cover Bolts
M10 x 1.25
1
Differential Cover Bolts
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value, may vary depending on the specific application and manufacturer's recommendations.
2 Differential Drain/Fill Plug
M12 x 1.25
2
Differential Drain/Fill Plug
M12 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Transfer Case
1 Transfer Case Mounting Bolts
M14 x 1.5
1
Transfer Case Mounting Bolts
M14 x 1.5
Torque Specification
35 ft-lbs (48 N·m)
Important Notes
Estimated value, may vary depending on the specific application and manufacturer's recommendations.
2 Transfer Case Drain/Fill Plug
M12 x 1.25
2
Transfer Case Drain/Fill Plug
M12 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Flywheel
1 Flywheel Bolts
M14 x 1.5
1
Flywheel Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Electrical System Mounting
1 Starter Motor Mounting Bolts
M12 x 1.5
1
Starter Motor Mounting Bolts
M12 x 1.5
Torque Specification
20.5 ft-lbs (27.7 N·m)
Important Notes
Torque value is an average of the specified range.
2 Alternator Mounting Bolts
M12 x 1.5
2
Alternator Mounting Bolts
M12 x 1.5
Torque Specification
20.5 ft-lbs (27.7 N·m)
Important Notes
Torque value is an average of the specified range.
3 Battery Terminal Nuts
M8 x 1.25
3
Battery Terminal Nuts
M8 x 1.25
Torque Specification
62 in-lbs (7 N·m)
Important Notes
Torque value is an average of the specified range.
Electrical Component Connections
1 Ignition Coil Bracket Bolt
M10 x 1.5
1
Ignition Coil Bracket Bolt
M10 x 1.5
Torque Specification
12 ft-lbs (16.3 N·m)
Important Notes
Torque value is estimated based on similar components.
2 Power Steering Pump Electrical Connector Bolt
M6 x 1
2
Power Steering Pump Electrical Connector Bolt
M6 x 1
Torque Specification
10 in-lbs (1.1 N·m)
Important Notes
Torque value is estimated based on similar components.
3 A/C Compressor Electrical Connector Bolt
M6 x 1
3
A/C Compressor Electrical Connector Bolt
M6 x 1
Torque Specification
10 in-lbs (1.1 N·m)
Important Notes
Torque value is estimated based on similar components.
4 Fuel Pump Electrical Connector Bolt
M6 x 1
4
Fuel Pump Electrical Connector Bolt
M6 x 1
Torque Specification
10 in-lbs (1.1 N·m)
Important Notes
Torque value is estimated based on similar components.
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
Egr System
1 EGR Valve Bolts
M8 x 1.25
1
EGR Valve Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average of the provided range (18-23 ft-lbs).
Exhaust Manifold
1 Exhaust Manifold/Headers Bolts
M8 x 1.25
1
Exhaust Manifold/Headers Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average of the provided range (18-23 ft-lbs).
2 Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
2
Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average of the provided range (18-23 ft-lbs).
Exhaust Pipe
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M8 x 1.25
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average of the provided range (18-23 ft-lbs).
2 Catalytic Converter to Exhaust Pipe Bolts
M8 x 1.25
2
Catalytic Converter to Exhaust Pipe Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average of the provided range (18-23 ft-lbs).
Oxygen Sensor
1 Oxygen Sensor (O2 Sensor) Mounting
M18 x 1.5
1
Oxygen Sensor (O2 Sensor) Mounting
M18 x 1.5
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Torque value is estimated based on common industry standards. Verify with manufacturer specifications.
Heat Shield
1 Catalytic Converter Heat Shield Bolts
M6 x 1.0
1
Catalytic Converter Heat Shield Bolts
M6 x 1.0
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is estimated based on common industry standards. Verify with manufacturer specifications.
Exhaust Temperature Sensor
1 Exhaust Gas Temperature Sensor Mounting
M8 x 1.25
1
Exhaust Gas Temperature Sensor Mounting
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is estimated based on common industry standards. Verify with manufacturer specifications.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold Headers
1 Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
1
Exhaust Manifold/Headers to Cylinder Head Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications. Always follow manufacturer-specific sequences.
Exhaust Pipe Connections
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M8 x 1.25
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications.
2 Catalytic Converter to Exhaust Pipe Bolts
M8 x 1.25
2
Catalytic Converter to Exhaust Pipe Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications.
3 Muffler to Exhaust Pipe Bolts
M8 x 1.25
3
Muffler to Exhaust Pipe Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications.
Exhaust Support Components
1 Exhaust Hanger Bolts
M8 x 1.25
1
Exhaust Hanger Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications.
2 Oxygen Sensor Bolts
M8 x 1.25
2
Oxygen Sensor Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications.
3 Exhaust Heat Shield Bolts
M8 x 1.25
3
Exhaust Heat Shield Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications.
Exhaust Flange Connections
1 Exhaust Flange Bolts
M8 x 1.25
1
Exhaust Flange Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical M8 bolts in exhaust applications.
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Fuel Delivery System
1 Fuel Rail Bolts
M8 x 1.25
1
Fuel Rail Bolts
M8 x 1.25
Torque Specification
15 ft-lbs (20.3 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2 Fuel Injector Bolts
M6 x 1.0
2
Fuel Injector Bolts
M6 x 1.0
Torque Specification
9 ft-lbs (12.2 N·m)
Important Notes
Ensure injectors are seated properly before tightening.
Fuel Storage System
1 Fuel Pump Mounting Bolts
M8 x 1.25
1
Fuel Pump Mounting Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Estimated value based on similar M8 bolts in fuel systems.
2 Fuel Tank Strap Bolts
M10 x 1.5
2
Fuel Tank Strap Bolts
M10 x 1.5
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Ensure straps are evenly tensioned to avoid tank deformation.
3 Fuel Filler Neck Bolts
M8 x 1.25
3
Fuel Filler Neck Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Estimated value based on similar M8 bolts in fuel systems.
Fuel Filtration System
1 Fuel Filter Bolt/Nut
M10 x 1.5
1
Fuel Filter Bolt/Nut
M10 x 1.5
Torque Specification
25.5 ft-lbs (34.6 N·m)
Important Notes
Ensure the filter housing is properly aligned before tightening.
Fuel Regulation System
1 Fuel Pressure Regulator Bolts
M6 x 1.0
1
Fuel Pressure Regulator Bolts
M6 x 1.0
Torque Specification
9 ft-lbs (12.2 N·m)
Important Notes
Ensure the regulator is properly seated before tightening.
2 Fuel Return Line Bolts
M8 x 1.25
2
Fuel Return Line Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Estimated value based on similar M8 bolts in fuel systems.
Fuel Level Monitoring System
1 Fuel Tank Sender Unit Bolts
M6 x 1.0
1
Fuel Tank Sender Unit Bolts
M6 x 1.0
Torque Specification
9 ft-lbs (12.2 N·m)
Important Notes
Ensure the sender unit is properly aligned before tightening.
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
Ac Compressor
1 A/C Compressor Mounting Bolts
M10 x 1.25
1
A/C Compressor Mounting Bolts
M10 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical A/C compressor mounting bolts. Always follow the manufacturer's recommended sequence.
Ac Lines
1 A/C Line Fittings
M8 x 1.0
1
A/C Line Fittings
M8 x 1.0
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical A/C line fittings. Ensure fittings are clean and free of debris before tightening.
Evaporator
1 Evaporator Core Housing Bolts
M6 x 1.0
1
Evaporator Core Housing Bolts
M6 x 1.0
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical evaporator housing bolts. Follow the manufacturer's recommended sequence.
Blower Motor
1 Blower Motor Mounting Bolts
M6 x 1.0
1
Blower Motor Mounting Bolts
M6 x 1.0
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical blower motor mounting bolts.
Heater Core
1 Heater Core Inlet/Outlet Fittings
M8 x 1.0
1
Heater Core Inlet/Outlet Fittings
M8 x 1.0
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical heater core fittings. Ensure fittings are clean and free of debris.
Condenser
1 Condenser Mounting Bolts
M8 x 1.25
1
Condenser Mounting Bolts
M8 x 1.25
Torque Specification
20.5 ft-lbs (27.8 N·m)
Important Notes
Torque value is an average estimate based on typical condenser mounting bolts. Follow the manufacturer's recommended sequence.
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Front Suspension
1 Strut/Shock Absorber Mounting Bolts
M14 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M14 x 1.5
Torque Specification
88.5 ft-lbs (120 N·m)
Important Notes
Estimated average value from 83-94 ft-lbs range.
2 Control Arm Bolts
M12 x 1.25
2
Control Arm Bolts
M12 x 1.25
Torque Specification
61.5 ft-lbs (83.5 N·m)
Important Notes
Estimated average value from 58-65 ft-lbs range.
3 Ball Joint Nut
M16 x 1.5
3
Ball Joint Nut
M16 x 1.5
Torque Specification
39.5 ft-lbs (53.5 N·m)
Important Notes
Estimated average value from 36-43 ft-lbs range.
4 Tie Rod End Nut
M14 x 1.5
4
Tie Rod End Nut
M14 x 1.5
Torque Specification
39.5 ft-lbs (53.5 N·m)
Important Notes
Estimated average value from 36-43 ft-lbs range.
5 Sway Bar Link Nut
M12 x 1.25
5
Sway Bar Link Nut
M12 x 1.25
Torque Specification
39.5 ft-lbs (53.5 N·m)
Important Notes
Estimated average value from 36-43 ft-lbs range.
Steering System
1 Steering Gear/Rack Bolts
M14 x 1.5
1
Steering Gear/Rack Bolts
M14 x 1.5
Torque Specification
88.5 ft-lbs (120 N·m)
Important Notes
Estimated average value from 83-94 ft-lbs range.
Upper Control Arm Bushings
1 Upper Control Arm Bushing Bolts
M10 x 1.25
1
Upper Control Arm Bushing Bolts
M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs range.
Lower Control Arm Bushings
1 Lower Control Arm Bushing Bolts
M10 x 1.25
1
Lower Control Arm Bushing Bolts
M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs range.
Stabilizer Bar Mounting
1 Stabilizer Bar Mounting Bolts
M12 x 1.25
1
Stabilizer Bar Mounting Bolts
M12 x 1.25
Torque Specification
35 ft-lbs (47.5 N·m)
Important Notes
Estimated average value from 30-40 ft-lbs range.
Coil Spring Mounting
1 Coil Spring Mounting Bolts
M12 x 1.25
1
Coil Spring Mounting Bolts
M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated average value from 40-50 ft-lbs range.
Troubleshooting Guide
Common issues, diagnostic steps, and prevention guidelines
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Common Issues
Bolt stretching, stripped threads, uneven torque patterns
Loose Components
Symptoms:
- Rattling or vibration noises
- Visible movement in components
- Uneven panel gaps
Solutions:
- Clean threads and mounting surfaces
- Replace damaged fasteners
- Apply proper torque in sequence
- Use thread locker if specified
Stripped Fasteners
Symptoms:
- Unable to achieve proper torque
- Fastener spins freely
- Visible thread damage
Solutions:
- Use thread repair kit if appropriate
- Install thread insert (HeliCoil)
- Replace component if threaded hole is damaged
- Upgrade to higher grade fastener if recommended
Overtightened Components
Symptoms:
- Cracked or deformed parts
- Broken fasteners
- Compressed gaskets or seals
Solutions:
- Replace damaged components
- Use new fasteners
- Follow proper torque sequence
- Verify correct torque specifications
Diagnostic Steps
Visual inspection, torque verification, thread assessment
Diagnostic Steps
Visual inspection, torque verification, thread assessment
1
Visual Inspection
Inspect the affected area for any visible signs of damage or wear
- Check for cracks or deformation
- Look for signs of excessive wear
- Verify proper fastener installation
2
Torque Verification
Verify the torque applied to the fasteners
- Check the torque wrench calibration
- Verify the torque specification
- Compare the applied torque to the specification
3
Thread Assessment
Assess the condition of the threads
- Check for signs of thread damage
- Verify the thread type and size
- Check for proper thread engagement
Prevention Guidelines
Best practices, maintenance tips, tool care
Prevention Guidelines
Best practices, maintenance tips, tool care
Best Practices
- Always follow the recommended torque specification
- Use the correct type and size of fasteners
- Verify the torque wrench calibration regularly
Maintenance Tips
- Regularly inspect the affected area for signs of wear or damage
- Replace damaged or worn-out components promptly
- Keep the work area clean and organized
Tool Care
- Regularly clean and maintain the torque wrench
- Store the torque wrench in a dry and secure location
- Verify the torque wrench calibration before each use
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What IS the torque specification for the engine head bolts on a 2014-2017 Infiniti qx70?
Q1
What IS the torque specification for the engine head bolts on a 2014-2017 Infiniti qx70?
The torque specification for the engine head bolts IS 65 ft-lbs + 90 degrees.
Q2 What torque wrench IS recommended for tightening critical bolts on the qx70?
Q2
What torque wrench IS recommended for tightening critical bolts on the qx70?
A torque wrench with a range of 20-150 ft-lbs and an accuracy of ±3% IS recommended.
Q3 Can I use a standard wrench or socket to tighten bolts if I don't have a torque wrench?
Q3
Can I use a standard wrench or socket to tighten bolts if I don't have a torque wrench?
No, using a standard wrench or socket to tighten critical bolts can lead to over- or under-tightening, resulting in component damage.
Q4 What are the consequences of over-tightening or under-tightening bolts?
Q4
What are the consequences of over-tightening or under-tightening bolts?
Over-tightening can strip threads, damage components, or cause premature failure. Under-tightening can lead to loose bolts, performance issues, or component failure.
Q5 IS it necessary to use thread locker on all bolts?
Q5
IS it necessary to use thread locker on all bolts?
Thread locker IS not necessary on all bolts. Refer to the service manual for specific instances where thread locker IS required.
Q6 Where can I find additional torque specifications for my qx70?
Q6
Where can I find additional torque specifications for my qx70?
Refer to the Infiniti Technical Information System (TIS) or contact an authorized Infiniti dealer.
Environmental Considerations
Temperature, humidity, and seasonal effects on torque specifications
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature Effects
Includes: High Heat, Cold Weather, Thermal Cycling
Temperature can significantly impact torque values and fastener behavior
Cold Weather
Effects:
- Increased material brittleness
- Higher torque required due to thread contraction
- Reduced thread lubricant effectiveness
Recommendations:
- Allow components to warm to room temperature when possible
- Consider using winter-grade thread lubricants
- Check torque values more frequently during winter months
Hot Weather
Effects:
- Thermal expansion of components
- Decreased friction in threads
- Accelerated lubricant breakdown
Recommendations:
- Check torque when components are at normal operating temperature
- Use temperature-resistant thread lockers
- Consider re-torquing after heat cycles
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Humidity and Corrosion
Covers: Rust Prevention, Salt Exposure, Moisture Control
Moisture and corrosion can affect fastener integrity and torque values
High Humidity
Effects:
- Accelerated corrosion formation
- Reduced friction coefficient
- Potential thread seizing
Prevention:
- Use corrosion-resistant fasteners
- Apply appropriate anti-seize compounds
- Maintain proper protective coatings
Salt Exposure
Effects:
- Rapid corrosion development
- Thread damage
- Seized fasteners
Prevention:
- Regular underbody washing
- Use of sacrificial anodes where appropriate
- Application of protective coatings
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Seasonal Maintenance
Spring, Summer, Fall, and Winter maintenance schedules
Spring
- Inspect for winter damage
- Clean and protect exposed fasteners
- Check torque on critical components
Summer
- Monitor heat-affected components
- Check expansion-related loosening
- Inspect cooling system mounts
Fall
- Prepare for winter conditions
- Apply corrosion protection
- Verify all fasteners are properly torqued
Winter
- More frequent inspection of critical fasteners
- Check for salt damage
- Monitor suspension component torque
Related Resources
Tools, service procedures, and technical bulletins
Recommended Tools
Digital Torque Wrench (10-100 Nm)
Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the qx70.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Tightening Procedure for Suspension Components
Step-by-step instructions for tightening suspension bolts to the correct torque specifications.
- Clean all threads and apply anti-seize compound.
- Tighten the bolts to the specified torque values in a star pattern.
- Double-check the torque values using a torque wrench.
- Refer to the vehicle service manual for specific torque values for each component.
Wheel Lug Nut Tightening Procedure
Specific instructions for tightening wheel lug nuts on the qx70 to ensure proper wheel mounting.
- Clean all threads and apply a small amount of anti-seize compound.
- Tighten the lug nuts to the specified torque value in a star pattern.
- Use a torque wrench to ensure accurate tightening.
- Recheck the torque values after a few miles of driving.
Technical Service Bulletins
TSB: Updated Torque Specifications for Exhaust Manifold Bolts
2016-02-15Revised torque specifications for the exhaust manifold bolts to address potential exhaust leaks.
2014-2017 qx70
Resolution: Refer to the updated service manual for the revised torque specifications and follow the recommended tightening procedure.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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