Infiniti Vehicle Models M45 2006-2010
Infiniti Vehicle Models M45 2006-2010 Torque Specifications
Complete Infiniti Vehicle Models M45 2006-2010 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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Torque Calculator
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4.5l Engine
Torque specifications for 4.5L Engine
4.5l Engine
Torque specifications for 4.5L Engine
Cylinder Head and Engine Block
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for a strong seal and engine performance.
2 Cylinder Head Studs
M14 x 1.5
2
Cylinder Head Studs
M14 x 1.5
Torque Specification
42 ft-lbs (57 N·m)
Important Notes
Estimated value based on general industry standards. Proper torque is crucial for a strong seal and engine performance.
Main Bearings and Crankshaft
1 Main Bearing Bolts
M12 x 1.5
1
Main Bearing Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Connecting Rods and Pistons
1 Connecting Rod Nuts
M10 x 1.5
1
Connecting Rod Nuts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Flywheel and Crankshaft
1 Flywheel Bolts
M14 x 1.5
1
Flywheel Bolts
M14 x 1.5
Torque Specification
61 ft-lbs (83 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Oil Pan and Engine Block
1 Oil Pan Bolts
M8 x 1.25
1
Oil Pan Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks.
Valve Train and Cylinder Head
1 Valve Cover Bolts
M10 x 1.5
1
Valve Cover Bolts
M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks and maintaining a clean engine environment.
2 Rocker Arms/Shafts Bolts
M10 x 1.5
2
Rocker Arms/Shafts Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Timing System
1 Timing Belt/Chain Tensioner Bolt
M12 x 1.5
1
Timing Belt/Chain Tensioner Bolt
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
2 Camshaft Sprocket Bolt
M14 x 1.5
2
Camshaft Sprocket Bolt
M14 x 1.5
Torque Specification
49 ft-lbs (66 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Accessory Systems
1 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
1
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Torque Specification
108 ft-lbs (146 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
2 Water Pump Pulley Bolts
M10 x 1.5
2
Water Pump Pulley Bolts
M10 x 1.5
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Exhaust System
1 Exhaust Manifold/Headers Bolts
M12 x 1.5
1
Exhaust Manifold/Headers Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Fuel System
1 Fuel Injector Bolts
M8 x 1.25
1
Fuel Injector Bolts
M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Cooling System
1 Water Pump Bolts
M10 x 1.5
1
Water Pump Bolts
M10 x 1.5
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
2 Thermostat Housing Bolts
M8 x 1.25
2
Thermostat Housing Bolts
M8 x 1.25
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Oil Filter and Drain Plug
1 Oil Filter Housing Bolt
M10 x 1.5
1
Oil Filter Housing Bolt
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks.
2 Oil Drain Plug Bolt
M12 x 1.5
2
Oil Drain Plug Bolt
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks during oil changes.
Spark Plugs
1 Spark Plugs
M14 x 1.25
1
Spark Plugs
M14 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
4.5l V8 Engine
Torque specifications for 4.5L-V8 Engine
4.5l V8 Engine
Torque specifications for 4.5L-V8 Engine
Cylinder Head and Engine Block
1 Cylinder Head Bolts
M12 x 1.5
1
Cylinder Head Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for a strong seal and engine performance.
2 Cylinder Head Studs
M14 x 1.5
2
Cylinder Head Studs
M14 x 1.5
Torque Specification
42 ft-lbs (57 N·m)
Important Notes
Estimated value based on general industry standards. Proper torque is crucial for a strong seal and engine performance.
Main Bearings and Crankshaft
1 Main Bearing Bolts
M12 x 1.5
1
Main Bearing Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Connecting Rods and Pistons
1 Connecting Rod Nuts
M10 x 1.5
1
Connecting Rod Nuts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Flywheel and Crankshaft
1 Flywheel Bolts
M14 x 1.5
1
Flywheel Bolts
M14 x 1.5
Torque Specification
61 ft-lbs (83 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Oil Pan and Engine Block
1 Oil Pan Bolts
M8 x 1.25
1
Oil Pan Bolts
M8 x 1.25
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks.
Valve Train and Cylinder Head
1 Valve Cover Bolts
M10 x 1.5
1
Valve Cover Bolts
M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks and maintaining a clean engine environment.
2 Rocker Arms/Shafts Bolts
M10 x 1.5
2
Rocker Arms/Shafts Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Timing System
1 Timing Belt/Chain Tensioner Bolt
M12 x 1.5
1
Timing Belt/Chain Tensioner Bolt
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
2 Camshaft Sprocket Bolt
M14 x 1.5
2
Camshaft Sprocket Bolt
M14 x 1.5
Torque Specification
49 ft-lbs (66 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Accessory Systems
1 Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
1
Crankshaft Pulley/Harmonic Balancer Bolt
M16 x 1.5
Torque Specification
108 ft-lbs (146 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
2 Water Pump Pulley Bolts
M10 x 1.5
2
Water Pump Pulley Bolts
M10 x 1.5
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Exhaust System
1 Exhaust Manifold/Headers Bolts
M12 x 1.5
1
Exhaust Manifold/Headers Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Fuel System
1 Fuel Injector Bolts
M8 x 1.25
1
Fuel Injector Bolts
M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Cooling System
1 Water Pump Bolts
M10 x 1.5
1
Water Pump Bolts
M10 x 1.5
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
2 Thermostat Housing Bolts
M8 x 1.25
2
Thermostat Housing Bolts
M8 x 1.25
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
Oil Filter and Drain Plug
1 Oil Filter Housing Bolt
M10 x 1.5
1
Oil Filter Housing Bolt
M10 x 1.5
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks.
2 Oil Drain Plug Bolt
M12 x 1.5
2
Oil Drain Plug Bolt
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Proper torque is crucial for preventing oil leaks during oil changes.
Spark Plugs
1 Spark Plugs
M14 x 1.25
1
Spark Plugs
M14 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Proper torque is crucial for smooth engine operation.
5r05 Transmission
Torque specifications for 5r05 Transmission
5r05 Transmission
Torque specifications for 5r05 Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M14 x 1.5
1
Transmission Mounting Bolts
M14 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Torque value is an average of the recommended range (25-37 ft-lbs).
Transmission Oil System
1 Transmission Oil Pan Bolts
M10 x 1.25
1
Transmission Oil Pan Bolts
M10 x 1.25
Torque Specification
77 in-lbs (8.7 N·m)
Important Notes
Torque value is an average of the recommended range (69-86 in-lbs).
2 Transmission Drain and Fill Plugs
M12 x 1.5
2
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
32.5 ft-lbs (44 N·m)
Important Notes
Torque value is an average of the recommended range (29-36 ft-lbs).
Transmission Case and Bellhousing
1 Transmission Case Bolts
M16 x 1.5
1
Transmission Case Bolts
M16 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
2 Transmission Bellhousing Bolts
M14 x 1.5
2
Transmission Bellhousing Bolts
M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
Transmission Crossmember and Cooler Lines
1 Transmission Crossmember Bolts
M18 x 1.5
1
Transmission Crossmember Bolts
M18 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
2 Transmission Cooler Line Fittings
M10 x 1.25
2
Transmission Cooler Line Fittings
M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Torque value is an estimate based on general industry standards.
Body
Torque specifications for Body
Body
Torque specifications for Body
Wheels And Fuel System
1 Wheel Lug Nuts
M12 x 1.5
1
Wheel Lug Nuts
M12 x 1.5
Torque Specification
87 ft-lbs (118 N·m)
Important Notes
Torque value is averaged from the provided range for optimal wheel attachment.
2 Fuel Tank Strap Bolts
M8 x 1.25
2
Fuel Tank Strap Bolts
M8 x 1.25
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Torque value is averaged from the provided range to ensure secure mounting of the fuel tank.
3 Fuel Filler Neck Bolts
M6 x 1.0
3
Fuel Filler Neck Bolts
M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Torque value is averaged from the provided range to ensure a secure fuel filler connection.
4 Battery Terminal Nuts
M5 x 0.8
4
Battery Terminal Nuts
M5 x 0.8
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Torque value is averaged from the provided range to ensure a reliable electrical connection.
Safety And Seating
1 Seat Belt Anchor Bolts
M10 x 1.5
1
Seat Belt Anchor Bolts
M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Torque value is averaged from the provided range to ensure passenger safety.
2 Seat Mounting Bolts
M8 x 1.25
2
Seat Mounting Bolts
M8 x 1.25
Torque Specification
30 ft-lbs (40.5 N·m)
Important Notes
Torque value is averaged from the provided range to ensure secure seat attachment.
Body Panel And Hinges
1 Door Hinge Bolts
M6 x 1.0
1
Door Hinge Bolts
M6 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is averaged from the provided range to ensure proper door alignment.
2 Hood Hinge Bolts
M6 x 1.0
2
Hood Hinge Bolts
M6 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is averaged from the provided range to ensure proper hood alignment.
3 Trunk Lid Hinge Bolts
M6 x 1.0
3
Trunk Lid Hinge Bolts
M6 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is averaged from the provided range to ensure proper trunk lid alignment.
4 Bumper Mounting Bolts
M6 x 1.0
4
Bumper Mounting Bolts
M6 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is averaged from the provided range to ensure secure bumper attachment.
5 Roof Rack Mounting Bolts
M6 x 1.0
5
Roof Rack Mounting Bolts
M6 x 1.0
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is averaged from the provided range to ensure secure roof rack attachment.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper System
1 Brake Caliper Bolts
M12 x 1.5
1
Brake Caliper Bolts
M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Torque value is estimated based on similar brake caliper bolts. Always follow the manufacturer's recommended sequence.
2 Brake Caliper Mounting Bracket Bolts
M14 x 1.5
2
Brake Caliper Mounting Bracket Bolts
M14 x 1.5
Torque Specification
109 ft-lbs (148 N·m)
Important Notes
Torque value is estimated based on similar mounting bracket bolts. Ensure proper alignment of the bracket.
3 Brake Hose Banjo Bolt
M10 x 1.0
3
Brake Hose Banjo Bolt
M10 x 1.0
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Torque value is estimated based on similar banjo bolts. Ensure the sealing washers are properly seated.
Brake Rotor Drum System
1 Brake Disc/Drum Retaining Bolts
M8 x 1.25
1
Brake Disc/Drum Retaining Bolts
M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Torque value is estimated based on similar retaining bolts. Ensure the rotor/drum is properly seated before tightening.
Wheel And Hub System
1 Wheel Lug Nuts
M12 x 1.5
1
Wheel Lug Nuts
M12 x 1.5
Torque Specification
87 ft-lbs (118 N·m)
Important Notes
Torque value is estimated based on similar wheel lug nuts. Always use a torque wrench for final tightening.
Brake Hydraulic System
1 Brake Master Cylinder Mounting Bolts
M8 x 1.25
1
Brake Master Cylinder Mounting Bolts
M8 x 1.25
Torque Specification
13 ft-lbs (17 N·m)
Important Notes
Torque value is estimated based on similar master cylinder bolts. Ensure the master cylinder is properly aligned.
2 Brake Bleeder Screws
M8 x 1.25
2
Brake Bleeder Screws
M8 x 1.25
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Torque value is estimated based on similar bleeder screws. Avoid overtightening to prevent thread damage.
Brake Pedal System
1 Brake Pedal Pivot Bolt
M10 x 1.25
1
Brake Pedal Pivot Bolt
M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Torque value is estimated based on similar pivot bolts. Ensure the pedal moves freely after tightening.
Drivetrain
Torque specifications for Drivetrain
Drivetrain
Torque specifications for Drivetrain
Engine and Transmission Interface
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 based on similar components and bolt sizes.
Transmission Mounting and Oil Pan
1 Transmission Mounting Bolts
M12 x 1.25
1
Transmission Mounting Bolts
M12 x 1.25
Torque Specification
31 ft-lbs (42 N·m)
2 Transmission Oil Pan Bolts
M8 x 1.25
2
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
77 in-lbs (8.7 N·m)
Drive Axle and Half Shaft
1 Drive Axle/Half Shaft Bolts
M16 x 1.5
1
Drive Axle/Half Shaft Bolts
M16 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
CV Joint and Axle Nut
1 CV Joint/Axle Nut
M20 x 1.5
1
CV Joint/Axle Nut
M20 x 1.5
Torque Specification
202 ft-lbs (274 N·m)
Propeller and Drive Shaft
1 Propeller/Drive Shaft Bolts
M14 x 1.5
1
Propeller/Drive Shaft Bolts
M14 x 1.5
Torque Specification
39 ft-lbs (53 N·m)
Differential and Axle Shaft
1 Differential Drain/Fill Plug
M12 x 1.25
1
Differential Drain/Fill Plug
M12 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
2 Axle Shaft to Hub Bolts
M14 x 1.5
2
Axle Shaft to Hub Bolts
M14 x 1.5
Torque Specification
55 ft-lbs (75 N·m)
Important Notes
Estimated value based on similar components and bolt sizes.
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Battery and Charging System
1 Battery Terminal Nuts
M8 x 1.25
1
Battery Terminal Nuts
M8 x 1.25
Torque Specification
7 ft-lbs (9.5 N·m)
Important Notes
Estimated value based on similar components.
2 Alternator Mounting Bolts
M12 x 1.5
2
Alternator Mounting Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
3 Starter Motor Mounting Bolts
M12 x 1.5
3
Starter Motor Mounting Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Ignition System
1 Ignition Coil Mounting Bolts
M8 x 1.25
1
Ignition Coil Mounting Bolts
M8 x 1.25
Torque Specification
11 ft-lbs (15 N·m)
Important Notes
Estimated value based on general industry standards.
2 Spark Plug Wire Retainer Bolts
M6 x 1.0
2
Spark Plug Wire Retainer Bolts
M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on general industry standards.
Accessory Electrical Connectors
1 Fuel Pump Electrical Connector Bolts
M6 x 1.0
1
Fuel Pump Electrical Connector Bolts
M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on general industry standards.
2 A/C Compressor Electrical Connector Bolts
M6 x 1.0
2
A/C Compressor Electrical Connector Bolts
M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Estimated value based on general industry standards.
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
12.5 ft-lbs (17 N·m)
Important Notes
Estimated value based on typical M8 bolt torque for emissions components.
Exhaust Manifold
1 Exhaust Manifold/Headers Bolts
M10 x 1.5
1
Exhaust Manifold/Headers Bolts
M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Torque sequence is critical to ensure even sealing.
2 Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.5
2
Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Torque sequence is critical to ensure even sealing.
Exhaust Pipe
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.5
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Ensure the gasket is properly aligned before tightening.
2 Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.5
2
Catalytic Converter to Exhaust Pipe Bolts
M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Ensure the gasket is properly aligned before tightening.
Emissions Sensors
1 Oxygen Sensor (O2 Sensor) Mounting Nut
M18 x 1.5
1
Oxygen Sensor (O2 Sensor) Mounting Nut
M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on typical M18 sensor nut torque.
2 Air Fuel Ratio (AFR) Sensor Mounting Nut
M18 x 1.5
2
Air Fuel Ratio (AFR) Sensor Mounting Nut
M18 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on typical M18 sensor nut torque.
3 Exhaust Gas Temperature (EGT) Sensor Mounting Bolt
M8 x 1.25
3
Exhaust Gas Temperature (EGT) Sensor Mounting Bolt
M8 x 1.25
Torque Specification
17.5 ft-lbs (24 N·m)
Important Notes
Estimated value based on typical M8 bolt torque for sensors.
Pcv System
1 PCV Valve Mounting Bolt
M6 x 1.0
1
PCV Valve Mounting Bolt
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on typical M6 bolt torque for small components.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold
1 Exhaust Manifold/Headers to Engine Block Bolts
M12 x 1.5
1
Exhaust Manifold/Headers to Engine Block Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
2 Exhaust Manifold/Headers to Cylinder Head Bolts
M12 x 1.5
2
Exhaust Manifold/Headers to Cylinder Head Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
Exhaust Pipe
1 Exhaust Pipe to Exhaust Manifold/Headers Bolts
M12 x 1.5
1
Exhaust Pipe to Exhaust Manifold/Headers Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
2 Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.5
2
Catalytic Converter to Exhaust Pipe Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
3 Muffler to Exhaust Pipe Bolts
M10 x 1.25
3
Muffler to Exhaust Pipe Bolts
M10 x 1.25
Torque Specification
27 ft-lbs (37 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
Exhaust System Mounting
1 Exhaust System Mounting Bolts
M14 x 1.5
1
Exhaust System Mounting Bolts
M14 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
Heat Shields
1 Heat Shield Bolts
M8 x 1.25
1
Heat Shield Bolts
M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
Oxygen Sensor
1 Oxygen Sensor Bolts
M10 x 1.25
1
Oxygen Sensor Bolts
M10 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated torque value based on similar components and bolt sizes.
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
12.5 ft-lbs (17 N·m)
Important Notes
Ensure even tightening in a crisscross pattern to prevent warping of the fuel rail.
2 Fuel Injector Bolts
M6 x 1.0
2
Fuel Injector Bolts
M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3 Fuel Pump Mounting Bolts
M6 x 1.0
3
Fuel Pump Mounting Bolts
M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Ensure the fuel pump flange is properly seated before tightening.
Fuel Tank System
1 Fuel Tank Strap Bolts
M10 x 1.5
1
Fuel Tank Strap Bolts
M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Ensure the tank is properly aligned before tightening.
2 Fuel Filler Neck Bolts
M6 x 1.0
2
Fuel Filler Neck Bolts
M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Ensure the filler neck gasket is properly seated.
3 Fuel Tank Sender Unit Bolts
M6 x 1.0
3
Fuel Tank Sender Unit Bolts
M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Ensure the sender unit gasket is properly seated.
Fuel Filtration System
1 Fuel Filter Bolt/Nut
M8 x 1.25
1
Fuel Filter Bolt/Nut
M8 x 1.25
Torque Specification
25.5 ft-lbs (35 N·m)
Important Notes
Ensure the filter housing is properly aligned before tightening.
Fuel Pressure Regulation
1 Fuel Pressure Regulator Bolts
M6 x 1.0
1
Fuel Pressure Regulator Bolts
M6 x 1.0
Torque Specification
12.5 ft-lbs (17 N·m)
Important Notes
Ensure the regulator is properly seated before tightening.
Fuel Line Connections
1 Fuel Line Fittings
M8 x 1.25
1
Fuel Line Fittings
M8 x 1.25
Torque Specification
14.5 ft-lbs (20 N·m)
Important Notes
Ensure fittings are properly aligned and seated before tightening.
Hvac
Torque specifications for Hvac
Hvac
Torque specifications for Hvac
Ac Compressor
1 A/C Compressor Mounting Bolts
M10 x 1.5
1
A/C Compressor Mounting Bolts
M10 x 1.5
Torque Specification
20 ft-lbs (27 N-m)
Important Notes
Torque value is estimated based on typical A/C compressor mounting bolts. Always follow the manufacturer's recommended sequence.
Ac Lines
1 A/C Line Fittings
M8 x 1.25
1
A/C Line Fittings
M8 x 1.25
Torque Specification
14.5 ft-lbs (20 N-m)
Important Notes
Torque value is estimated based on typical A/C line fittings. Ensure fittings are clean and free of debris before tightening.
Evaporator Core
1 Evaporator Core Housing Bolts
M6 x 1.0
1
Evaporator Core Housing Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N-m)
Important Notes
Torque value is estimated 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
7 ft-lbs (9.5 N-m)
Important Notes
Torque value is estimated based on typical blower motor mounting bolts.
Heater Core
1 Heater Core Inlet/Outlet Fittings
M8 x 1.25
1
Heater Core Inlet/Outlet Fittings
M8 x 1.25
Torque Specification
12.5 ft-lbs (17 N-m)
Important Notes
Torque value is estimated based on typical heater core fittings. Ensure fittings are clean and free of debris.
Hvac Case
1 HVAC Case Assembly Bolts
M6 x 1.0
1
HVAC Case Assembly Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N-m)
Important Notes
Torque value is estimated based on typical HVAC case bolts. Follow the manufacturer's recommended sequence.
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Strut Shock Absorber
1 Upper Strut Mount Bolts
M10 x 1.25
1
Upper Strut Mount Bolts
M10 x 1.25
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Estimated value based on similar strut mount bolts. Ensure bolts are tightened in a star pattern.
2 Lower Strut Mount Bolts
M10 x 1.25
2
Lower Strut Mount Bolts
M10 x 1.25
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Estimated value based on similar strut mount bolts. Ensure bolts are tightened in a star pattern.
3 Strut/Shock Absorber Mounting Bolts
M12 x 1.5
3
Strut/Shock Absorber Mounting Bolts
M12 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Ensure bolts are clean and free of debris before installation.
Control Arm
1 Control Arm Bolts
M14 x 1.5
1
Control Arm Bolts
M14 x 1.5
Torque Specification
72 ft-lbs (98 N·m)
Important Notes
Estimated value based on similar control arm bolts. Ensure bolts are tightened in a star pattern.
2 Suspension Arm Pivot Bolts
M12 x 1.25
2
Suspension Arm Pivot Bolts
M12 x 1.25
Torque Specification
39 ft-lbs (53 N·m)
Important Notes
Estimated value based on similar pivot bolts. Ensure bolts are clean and free of debris.
Steering And Stability
1 Tie Rod End Nut
M12 x 1.25
1
Tie Rod End Nut
M12 x 1.25
Torque Specification
39 ft-lbs (53 N·m)
Important Notes
Ensure the nut is tightened securely to prevent steering play.
2 Sway Bar Link Nut
M12 x 1.25
2
Sway Bar Link Nut
M12 x 1.25
Torque Specification
39 ft-lbs (53 N·m)
Important Notes
Ensure the nut is tightened securely to prevent sway bar movement.
Wheel And Hub
1 Wheel Lug Nuts
M12 x 1.5
1
Wheel Lug Nuts
M12 x 1.5
Torque Specification
87 ft-lbs (118 N·m)
Important Notes
Ensure lug nuts are tightened in a star pattern to prevent wheel warping.
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 recommended torque for the lug nuts on a 2006-2010 Infiniti m45?
Q1
What IS the recommended torque for the lug nuts on a 2006-2010 Infiniti m45?
Tighten the lug nuts to 88 ft-lbs (120 Nm) using a calibrated torque wrench.
Q2 What tools are required to correctly torque the spark plugs on an m45?
Q2
What tools are required to correctly torque the spark plugs on an m45?
Use a 5/8-inch spark plug socket and a torque wrench with a range of 10-115 ft-lbs (14-155 Nm).
Q3 What IS the procedure for torquing the oil pan drain bolt?
Q3
What IS the procedure for torquing the oil pan drain bolt?
Clean the drain bolt and mating surface. Apply a small amount of engine oil to the bolt threads. Torque the drain bolt to 18 ft-lbs (24 Nm).
Q4 How often should the torque on critical suspension components be checked?
Q4
How often should the torque on critical suspension components be checked?
Critical suspension components like control arms and tie rods should be torqued according to the Infiniti maintenance schedule, typically every 12,000 miles (19,000 km) or annually.
Q5 What are the torque specifications for the intake manifold bolts?
Q5
What are the torque specifications for the intake manifold bolts?
Tighten the intake manifold bolts to 18 ft-lbs (24 Nm) in a star pattern, working from the center outward.
Q6 IS it acceptable to use an impact wrench to torque bolts?
Q6
IS it acceptable to use an impact wrench to torque bolts?
No. Using an impact wrench can result in overtightening and damage to the bolts or components. Always use a calibrated torque wrench.
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 m45.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Cylinder Head Bolt Torque Sequence
Step-by-step instructions for properly torquing cylinder head bolts in the correct sequence, ensuring a leak-free seal and preventing engine damage.
- Clean cylinder head and block surfaces thoroughly.
- Apply a thin layer of engine oil to bolt threads.
- Tighten bolts in three stages, following the specified torque values and tightening sequence.
- Use a digital torque wrench to ensure accurate tightening.
- Recheck torque after engine has cooled completely.
Wheel Lug Nut Torque
Guidelines for properly tightening wheel lug nuts to the correct torque, ensuring safe and secure wheel mounting.
- Clean wheel mounting surface and lug nuts.
- Apply a small amount of anti-seize to lug nut threads.
- Hand-tighten lug nuts onto wheel studs.
- Use a torque wrench to tighten lug nuts to the specified torque.
- Follow the recommended star pattern for tightening.
Suspension Bolt Torque
Instructions for tightening suspension bolts to the correct torque, ensuring proper alignment, handling, and vehicle stability.
- Clean bolt threads and mating surfaces.
- Apply a small amount of anti-seize or thread locker to bolt threads.
- Hand-tighten bolts into place.
- Use a torque wrench to tighten bolts to the specified torque.
- Recheck torque after suspension has settled.
Technical Service Bulletins
Engine Mount Bolt Recall
2008-03-15Safety recall notice issued by Infiniti regarding faulty engine mount bolts that may loosen and cause engine damage. This bulletin provides detailed instructions for inspecting and replacing affected bolts.
2006-2010 m45
Resolution: Dealers must inspect engine mount bolts and replace them with upgraded bolts to the specified torque.
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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.
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