Infiniti Vehicle Models I30 2000-2004
Infiniti Vehicle Models I30 2000-2004 Torque Specifications
Complete Infiniti Vehicle Models I30 2000-2004 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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3.0l Engine
Torque specifications for 3.0L Engine
3.0l Engine
Torque specifications for 3.0L Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 33 ft-lbs (45 N·m)
2. 40 ft-lbs (55 N·m)
Important Notes
Follow the manufacturer's torque sequence for proper sealing.
2 Rocker Arms/Shafts Bolts
M8 x 1.25
2
Rocker Arms/Shafts Bolts
M8 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure proper valve clearance after tightening.
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
Ensure proper alignment of main bearings before tightening.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure proper alignment of connecting rods before tightening.
Timing System
1 Timing Belt/Chain Tensioner Bolt
M10 x 1.25
1
Timing Belt/Chain Tensioner Bolt
M10 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure proper tension on the timing belt/chain before tightening.
2 Camshaft Sprocket Bolt
M12 x 1.25
2
Camshaft Sprocket Bolt
M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure proper alignment of the camshaft sprocket before tightening.
Intake And Exhaust
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper sealing of the intake manifold gasket.
2 Exhaust Manifold/Headers Bolts
M8 x 1.25
2
Exhaust Manifold/Headers Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure proper sealing of the exhaust manifold gasket.
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Ensure proper sealing of the oil pan gasket.
2 Oil Drain Plug Bolt
M14 x 1.5
2
Oil Drain Plug Bolt
M14 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Replace the crush washer for proper sealing.
3.0l V6 Engine
Torque specifications for 3.0L-V6 Engine
3.0l V6 Engine
Torque specifications for 3.0L-V6 Engine
Cylinder Head
1 Cylinder Head Bolts
M10 x 1.25
1
Cylinder Head Bolts
M10 x 1.25
Torque Specification
1. 33 ft-lbs (45 N·m)
2. 40 ft-lbs (55 N·m)
Important Notes
Follow the manufacturer's torque sequence for proper sealing.
2 Rocker Arms/Shafts Bolts
M8 x 1.25
2
Rocker Arms/Shafts Bolts
M8 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure proper valve clearance after tightening.
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
Ensure proper alignment of main bearings before tightening.
2 Connecting Rod Nuts
M8 x 1.25
2
Connecting Rod Nuts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure proper alignment of connecting rods before tightening.
Timing System
1 Timing Belt/Chain Tensioner Bolt
M10 x 1.25
1
Timing Belt/Chain Tensioner Bolt
M10 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure proper tension on the timing belt/chain before tightening.
2 Camshaft Sprocket Bolt
M12 x 1.25
2
Camshaft Sprocket Bolt
M12 x 1.25
Torque Specification
65 ft-lbs (88 N·m)
Important Notes
Ensure proper alignment of the camshaft sprocket before tightening.
Intake And Exhaust
1 Intake Manifold Bolts
M8 x 1.25
1
Intake Manifold Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper sealing of the intake manifold gasket.
2 Exhaust Manifold/Headers Bolts
M8 x 1.25
2
Exhaust Manifold/Headers Bolts
M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Ensure proper sealing of the exhaust manifold gasket.
Oil System
1 Oil Pan Bolts
M6 x 1.0
1
Oil Pan Bolts
M6 x 1.0
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Ensure proper sealing of the oil pan gasket.
2 Oil Drain Plug Bolt
M14 x 1.5
2
Oil Drain Plug Bolt
M14 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Replace the crush washer for proper sealing.
4r01 Transmission
Torque specifications for 4r01 Transmission
4r01 Transmission
Torque specifications for 4r01 Transmission
Transmission Mounting
1 Transmission Mounting Bolts
M14 x 1.5
1
Transmission Mounting Bolts
M14 x 1.5
Torque Specification
44 ft-lbs (59 N·m)
Important Notes
Estimated average torque value based on the provided range of 40-48 ft-lbs (54-65 nm).
Transmission Oil Pan
1 Transmission Oil Pan Bolts
M8 x 1.25
1
Transmission Oil Pan Bolts
M8 x 1.25
Torque Specification
82 in-lbs (9 N·m)
Important Notes
Estimated average torque value based on the provided range of 69-95 in-lbs (7-11 nm).
Transmission Fluid System
1 Transmission Drain and Fill Plugs
M12 x 1.5
1
Transmission Drain and Fill Plugs
M12 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Estimated average torque value based on the provided range of 29-43 ft-lbs (39-58 nm).
Transmission Case
1 Transmission Case Bolts
M16 x 1.5
1
Transmission Case Bolts
M16 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Estimated torque value based on industry standards for transmission case bolts.
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 torque value based on industry standards for valve body bolts.
Pump Mounting
1 Pump Mounting Bolts
M12 x 1.5
1
Pump Mounting Bolts
M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated torque value based on industry standards for pump mounting bolts.
Torque Converter
1 Torque Converter Bolts
M14 x 1.5
1
Torque Converter Bolts
M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated torque value based on industry standards for torque converter bolts.
Body
Torque specifications for Body
Body
Torque specifications for Body
Hood And Doors
1 Hood Hinge Bolts
M8 x 1.25
1
Hood Hinge Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper alignment of the hood before tightening. Estimated value based on similar components.
2 Door Hinge Bolts
M8 x 1.25
2
Door Hinge Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper door alignment before final tightening. Estimated value based on similar components.
Trunk And Rear Components
1 Trunk Lid Hinge Bolts
M8 x 1.25
1
Trunk Lid Hinge Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper alignment of the trunk lid before tightening. Estimated value based on similar components.
2 Spoiler Mounting Bolts
M6 x 1.0
2
Spoiler Mounting Bolts
M6 x 1.0
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure the spoiler is properly aligned before tightening. Estimated value based on similar components.
Seating And Safety
1 Seat Mounting Bolts
M10 x 1.5
1
Seat Mounting Bolts
M10 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Critical for passenger safety. Ensure seats are securely fastened. Estimated value based on similar components.
Exterior Panels
1 Fender Bolts
M6 x 1.0
1
Fender Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure proper alignment of fenders before tightening. Estimated value based on similar components.
2 Bumper Mounting Bolts
M8 x 1.25
2
Bumper Mounting Bolts
M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Ensure proper alignment of the bumper before tightening. Estimated value based on similar components.
Miscellaneous Components
1 Mirror Mounting Bolts
M6 x 1.0
1
Mirror Mounting Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Ensure proper alignment of mirrors before tightening. Estimated value based on similar components.
2 Roof Rack Mounting Bolts
M8 x 1.25
2
Roof Rack Mounting Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper alignment of the roof rack before tightening. Estimated value based on similar components.
3 Radiator Support Bolts
M8 x 1.25
3
Radiator Support Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper alignment of the radiator support before tightening. Estimated value based on similar components.
Brakes
Torque specifications for Brakes
Brakes
Torque specifications for Brakes
Brake Caliper
1 Brake Caliper Bolts
M10 x 1.25
1
Brake Caliper Bolts
M10 x 1.25
Torque Specification
28 ft-lbs (38 N·m)
Important Notes
Torque value is an average estimate based on typical M10 x 1.25 bolts used in brake caliper applications.
2 Brake Caliper Mounting Bracket Bolts
M12 x 1.5
2
Brake Caliper Mounting Bracket Bolts
M12 x 1.5
Torque Specification
90 ft-lbs (122 N·m)
Important Notes
Torque value is an average estimate based on typical M12 x 1.5 bolts used in heavy-duty applications.
Brake Rotor Drum
1 Brake Disc/Drum Retaining Bolts
M8 x 1.25
1
Brake Disc/Drum Retaining Bolts
M8 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in brake rotor/drum applications.
Brake Hydraulics
1 Brake Hose Banjo Bolt
M10 x 1.0
1
Brake Hose Banjo Bolt
M10 x 1.0
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Torque value is an average estimate based on typical M10 x 1.0 bolts used in brake hose applications.
2 Brake Master Cylinder Mounting Bolts
M8 x 1.25
2
Brake Master Cylinder Mounting Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in master cylinder applications.
Brake Pedal Booster
1 Brake Booster Mounting Bolts
M8 x 1.25
1
Brake Booster Mounting Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in brake booster applications.
2 Brake Pedal Assembly Bolts
M8 x 1.25
2
Brake Pedal Assembly Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Torque value is an average estimate based on typical M8 x 1.25 bolts used in pedal assembly applications.
Wheel Assembly
1 Wheel Lug Nuts
M12 x 1.5
1
Wheel Lug Nuts
M12 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Torque value is an average estimate based on typical M12 x 1.5 lug nuts used in wheel applications.
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 general industry standards.
2 Transmission Mounting Bolts
M12 x 1.25
2
Transmission Mounting Bolts
M12 x 1.25
Torque Specification
44 ft-lbs (60 N·m)
Transmission and Driveshaft
1 Transmission Oil Pan Bolts
M10 x 1.0
1
Transmission Oil Pan Bolts
M10 x 1.0
Torque Specification
82 in-lbs (9 N·m)
2 Transmission Drain and Fill Plugs
M14 x 1.5
2
Transmission Drain and Fill Plugs
M14 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
Driveshaft and Axle
1 Driveshaft Center Bearing Bolts
M12 x 1.25
1
Driveshaft Center Bearing Bolts
M12 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on general industry standards.
2 Axle/Half Shaft Retaining Bolts
M14 x 1.5
2
Axle/Half Shaft Retaining Bolts
M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on general industry standards.
Flywheel and Crankshaft
1 Flywheel Bolts
M14 x 1.5
1
Flywheel Bolts
M14 x 1.5
Torque Specification
65 ft-lbs (88 N·m)
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)
Differential and CV Joint
1 Differential Drain/Fill Plug
M14 x 1.5
1
Differential Drain/Fill Plug
M14 x 1.5
Torque Specification
51 ft-lbs (69 N·m)
2 CV Joint/Axle Nut
M18 x 1.5
2
CV Joint/Axle Nut
M18 x 1.5
Torque Specification
203 ft-lbs (275 N·m)
Electrical
Torque specifications for Electrical
Electrical
Torque specifications for Electrical
Ignition System
1 Ignition Coil Bolt
M6 x 1.0
1
Ignition Coil Bolt
M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Ensure the ignition coil is properly seated before tightening.
Starting System
1 Starter Motor Mounting Bolts
M10 x 1.5
1
Starter Motor Mounting Bolts
M10 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure the starter motor is properly aligned with the flywheel before tightening.
Charging System
1 Alternator Mounting Bolts
M10 x 1.5
1
Alternator Mounting Bolts
M10 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure the alternator is properly aligned with the drive belt before tightening.
Battery System
1 Battery Terminal Nuts
M6 x 1.0
1
Battery Terminal Nuts
M6 x 1.0
Torque Specification
0.5 ft-lbs (7 N·m)
Important Notes
Ensure the battery terminals are clean and free of corrosion before tightening.
Grounding System
1 Ground Strap Bolts
M6 x 1.0
1
Ground Strap Bolts
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar electrical grounding components.
Electrical Control System
1 Fuse Box Mounting Bolts
M6 x 1.0
1
Fuse Box Mounting Bolts
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar electrical mounting components.
2 ECU Mounting Bolts
M6 x 1.0
2
ECU Mounting Bolts
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar electrical mounting components.
Sensor System
1 Crankshaft Position Sensor Mounting Bolt
M6 x 1.0
1
Crankshaft Position Sensor Mounting Bolt
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar sensor mounting components.
2 Camshaft Position Sensor Mounting Bolt
M6 x 1.0
2
Camshaft Position Sensor Mounting Bolt
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated value based on similar sensor mounting components.
Emissions Sensors
Torque specifications for Emissions_sensors
Emissions Sensors
Torque specifications for Emissions_sensors
EGR System
1 EGR Valve Bolts
M10 x 1.5
1
EGR Valve Bolts
M10 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated torque value based on general industry standards.
Fuel Injection System
1 Fuel Injector Bolts
M8 x 1.25
1
Fuel Injector Bolts
M8 x 1.25
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated torque value based on general industry standards.
Oxygen Sensor System
1 Oxygen Sensor Bolts
M12 x 1.5
1
Oxygen Sensor Bolts
M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated torque value based on general industry standards.
2 Heated Oxygen Sensor (HO2S) Bolts
M10 x 1.5
2
Heated Oxygen Sensor (HO2S) Bolts
M10 x 1.5
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated torque value based on general industry standards.
Mass Airflow Sensor System
1 Mass Airflow Sensor (MAF) Bolts
M8 x 1.25
1
Mass Airflow Sensor (MAF) Bolts
M8 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated torque value based on general industry standards.
Exhaust
Torque specifications for Exhaust
Exhaust
Torque specifications for Exhaust
Exhaust Manifold Headers
1 Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.25
1
Exhaust Manifold/Headers to Cylinder Head Bolts
M10 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
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
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar bolt sizes and 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
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
3 Muffler to Exhaust Pipe Bolts
M8 x 1.25
3
Muffler to Exhaust Pipe Bolts
M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
Heat Shield And Hangers
1 Exhaust Heat Shield Bolts
M6 x 1.0
1
Exhaust Heat Shield Bolts
M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
2 Exhaust Hanger Bolts
M8 x 1.25
2
Exhaust Hanger Bolts
M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
Oxygen Sensor
1 Oxygen Sensor
M18 x 1.5
1
Oxygen Sensor
M18 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
Exhaust Flange
1 Exhaust Flange Bolts
M8 x 1.25
1
Exhaust Flange Bolts
M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on similar bolt sizes and applications.
Fuel
Torque specifications for Fuel
Fuel
Torque specifications for Fuel
Throttle Body
1 Throttle Body Bolts
M10 x 1.5
1
Throttle Body Bolts
M10 x 1.5
Torque Specification
18.5 ft-lbs (25 N·m)
Important Notes
Estimated average torque value from the given range.
Intake Manifold
1 Intake Manifold Bolts
M12 x 1.75
1
Intake Manifold Bolts
M12 x 1.75
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Estimated average torque value from the given range.
Fuel Rail
1 Fuel Rail Bolts
M10 x 1.5
1
Fuel Rail Bolts
M10 x 1.5
Torque Specification
18 ft-lbs (24.5 N·m)
Important Notes
Estimated average torque value from the given range.
2 Fuel Rail to Engine Block Mounting Bolts
M12 x 1.75
2
Fuel Rail to Engine Block Mounting Bolts
M12 x 1.75
Torque Specification
17.5 ft-lbs (23.75 N·m)
Important Notes
Estimated average torque value from the given range.
Fuel Injectors
1 Fuel Injector Bolts
M8 x 1.25
1
Fuel Injector Bolts
M8 x 1.25
Torque Specification
8 ft-lbs (10.85 N·m)
Important Notes
Estimated average torque value from the given range.
2 Fuel Injector O-Ring Seals
M6 x 1.0
2
Fuel Injector O-Ring Seals
M6 x 1.0
Torque Specification
7.5 ft-lbs (10.15 N·m)
Important Notes
Estimated average torque value from the given range.
Fuel Pump
1 Fuel Pump Mounting Bolts
M10 x 1.5
1
Fuel Pump Mounting Bolts
M10 x 1.5
Torque Specification
13.5 ft-lbs (18.3 N·m)
Important Notes
Estimated average torque value from the given range.
Fuel Tank
1 Fuel Tank Strap Bolts
M12 x 1.75
1
Fuel Tank Strap Bolts
M12 x 1.75
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Estimated average torque value from the given range.
Fuel Filler Neck
1 Fuel Filler Neck Bolts
M10 x 1.5
1
Fuel Filler Neck Bolts
M10 x 1.5
Torque Specification
19.5 ft-lbs (26.5 N·m)
Important Notes
Estimated average torque value from the given range.
Fuel Filter
1 Fuel Filter Bolt/Nut
M12 x 1.75
1
Fuel Filter Bolt/Nut
M12 x 1.75
Torque Specification
26 ft-lbs (35.3 N·m)
Important Notes
Estimated average torque value from the given range.
Fuel Pressure Regulator
1 Fuel Pressure Regulator Mounting Bolts
M8 x 1.25
1
Fuel Pressure Regulator Mounting Bolts
M8 x 1.25
Torque Specification
12.5 ft-lbs (16.95 N·m)
Important Notes
Estimated average torque value from the given range.
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
33 ft-lbs (45 N·m)
Important Notes
Ensure the compressor is properly aligned before tightening. Torque values are based on standard M10 bolts for compressor mounting.
Refrigerant Lines
1 A/C Line Fittings
M8 x 1.25
1
A/C Line Fittings
M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Use a backup wrench to avoid twisting the refrigerant lines. Torque values are based on standard M8 fittings.
Evaporator Core
1 Evaporator Core Housing Bolts
M6 x 1.0
1
Evaporator Core Housing Bolts
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated torque value based on standard M6 bolts for housing applications. Ensure the housing is properly sealed to prevent refrigerant leaks.
Blower Motor
1 Blower Motor Mounting Bolts
M6 x 1.0
1
Blower Motor Mounting Bolts
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated torque value based on standard M6 bolts for motor mounting. Ensure the motor is securely mounted to prevent vibrations.
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
Estimated torque value based on standard M8 fittings. Ensure a leak-free seal to maintain proper coolant flow.
Hvac Case
1 HVAC Case/Assembly Bolts
M6 x 1.0
1
HVAC Case/Assembly Bolts
M6 x 1.0
Torque Specification
8.5 ft-lbs (11.5 N·m)
Important Notes
Estimated torque value based on standard M6 bolts for case assembly. Ensure the case is securely sealed to prevent air leaks.
Suspension
Torque specifications for Suspension
Suspension
Torque specifications for Suspension
Front Suspension
1 Control Arm Bolts
M14 x 1.5
1
Control Arm Bolts
M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)
2 Ball Joint Nut
M16 x 1.5
2
Ball Joint Nut
M16 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
3 Steering Knuckle Bolts
M18 x 1.5
3
Steering Knuckle Bolts
M18 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Estimated value based on general industry standards.
Rear Suspension
1 Upper Control Arm Bushing Bolts
M12 x 1.5
1
Upper Control Arm Bushing Bolts
M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general industry standards.
2 Lower Control Arm Bushing Bolts
M14 x 1.5
2
Lower Control Arm Bushing Bolts
M14 x 1.5
Torque Specification
60 ft-lbs (81 N·m)
Important Notes
Estimated value based on general industry standards.
3 Coil Spring Mounting Bolts
M10 x 1.5
3
Coil Spring Mounting Bolts
M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on general industry standards.
Steering System
1 Tie Rod End Nut
M12 x 1.5
1
Tie Rod End Nut
M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
2 Sway Bar Link Nut
M14 x 1.5
2
Sway Bar Link Nut
M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Strut/Shock Absorber
1 Strut/Shock Absorber Mounting Bolts
M12 x 1.5
1
Strut/Shock Absorber Mounting Bolts
M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
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 my 2000-2004 Infiniti i30?
Q1
What IS the recommended torque for the lug nuts on my 2000-2004 Infiniti i30?
108 ft-lbs (146 Nm)
Q2 Can I use an impact wrench to tighten the lug nuts on my i30?
Q2
Can I use an impact wrench to tighten the lug nuts on my i30?
Yes, but it IS important to use a torque stick to ensure proper torque IS applied. Overtightening can damage the threads or the wheel.
Q3 What IS the torque specification for the oil drain plug on my i30?
Q3
What IS the torque specification for the oil drain plug on my i30?
25 ft-lbs (34 Nm)
Q4 How often should I have the torque on my i30's suspension components checked?
Q4
How often should I have the torque on my i30's suspension components checked?
Every 12,000 miles or 12 months, whichever comes first.
Q5 What are the torque specifications for the spark plugs on my i30?
Q5
What are the torque specifications for the spark plugs on my i30?
18 ft-lbs (24 Nm)
Q6 Can I use a torque wrench to loosen bolts on my i30?
Q6
Can I use a torque wrench to loosen bolts on my i30?
No, torque wrenches are only designed to tighten bolts to a specific torque. Use a breaker bar or impact wrench to loosen bolts.
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 i30.
- Digital display for accurate readings
- Audible alarm when target torque IS reached
- Multiple units (Nm, ft-lb, in-lb)
- Reversible ratcheting mechanism
Service Procedures
Technical Service Bulletins
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
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We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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