Lexus Vehicle Models GX 2010-present Torque Specifications
Lexus Vehicle Models GX 2010-present

Lexus Vehicle Models GX 2010-present Torque Specifications

Complete Lexus Vehicle Models GX 2010-present 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

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

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

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

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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Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

4.6l Engine

Torque specifications for 4.6L Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 23 ft-lbs (31 N·m)
Important Notes
Follow the manufacturer's torque sequence for cylinder head bolts to ensure even clamping force.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M10 x 1.5
Torque Specification
1. 32 ft-lbs (43 N·m)
Important Notes
Follow the manufacturer's torque sequence for main bearing bolts.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
27 ft-lbs (37 N·m)
Important Notes
Ensure the connecting rod bearings are properly seated before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
52 ft-lbs (71 N·m)
Important Notes
Ensure the camshaft sprocket is properly aligned before tightening.

Accessory Drive

1

Serpentine/Accessory Drive Belt Tensioner Bolt

M10 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Drive Belt Idler Pulley Bolt

M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Ensure the idler pulley is properly aligned before tightening.

Exhaust System

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
1. 30 ft-lbs (41 N·m)
Important Notes
Follow the manufacturer's torque sequence for exhaust manifold bolts.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the exhaust pipe is properly aligned before tightening.

4.6l V8 Engine

Torque specifications for 4.6L-V8 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.5
Torque Specification
1. 23 ft-lbs (31 N·m)
Important Notes
Follow the manufacturer's torque sequence for cylinder head bolts to ensure even clamping force.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Ensure the valve cover gasket is properly seated before tightening.

Crankshaft And Bearings

1

Main Bearing Bolts

M10 x 1.5
Torque Specification
1. 32 ft-lbs (43 N·m)
Important Notes
Follow the manufacturer's torque sequence for main bearing bolts.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
27 ft-lbs (37 N·m)
Important Notes
Ensure the connecting rod bearings are properly seated before tightening.

Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.5
Torque Specification
52 ft-lbs (71 N·m)
Important Notes
Ensure the camshaft sprocket is properly aligned before tightening.

Accessory Drive

1

Serpentine/Accessory Drive Belt Tensioner Bolt

M10 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Drive Belt Idler Pulley Bolt

M10 x 1.5
Torque Specification
31 ft-lbs (42 N·m)
Important Notes
Ensure the idler pulley is properly aligned before tightening.

Exhaust System

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
1. 30 ft-lbs (41 N·m)
Important Notes
Follow the manufacturer's torque sequence for exhaust manifold bolts.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the exhaust pipe is properly aligned before tightening.

A760 Transmission

Torque specifications for A760 Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
44 ft-lbs (60 N·m)

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
71 in-lbs (8 N·m)
Important Notes
Note: The torque specification is in inch-pounds, not foot-pounds.

Transmission Fluid System

1

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
2

Transmission Fluid Drain/Fill Plug

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)

Transmission Case

1

Transmission Case Bolts

M16 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Estimated value based on industry standards.

Valve Body

1

Valve Body Bolts

M10 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on industry standards.

Torque Converter

1

Torque Converter Bolts

M14 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on industry standards.

Transmission Cooler Lines

1

Transmission Cooler Line Fittings

M10 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on industry standards.

Body

Torque specifications for Body

Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
142 ft-lbs (193 N·m)
Important Notes
Secure the strut/shock absorbers to the vehicle's body.
2

Control Arm Bolts

M12 x 1.25
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Attach the control arms to the vehicle's body.
3

Ball Joint Nut

M16 x 1.5
Torque Specification
87 ft-lbs (118 N·m)
Important Notes
Secure the ball joint to the control arm.
4

Tie Rod End Nut

M10 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Attach the tie rod end to the steering rack.
5

Sway Bar Link Nut

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Secure the sway bar link to the sway bar.

Steering

1

Steering Gear/Rack Bolts

M12 x 1.25
Torque Specification
76 ft-lbs (103 N·m)
Important Notes
Attach the steering gear/rack to the vehicle's body.

Body and Frame

1

Body Mount Bolts

M14 x 1.5
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Secure the body to the frame.
2

Door Hinge Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Attach the doors to the body.
3

Hood Hinge Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Attach the hood to the body.
4

Trunk Lid Hinge Bolts

M10 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Attach the trunk lid to the body.
5

Bumper Mounting Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value. Secure the bumpers to the body.

Brakes

Torque specifications for Brakes

Brake Caliper System

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
79 ft-lbs (107 N·m)
Important Notes
Ensure caliper is properly aligned with the brake disc before torquing.
2

Brake Caliper Mounting Bracket Bolts

M14 x 1.5
Torque Specification
97 ft-lbs (131 N·m)
Important Notes
Ensure bracket is securely mounted to the chassis before torquing.

Brake Disc Drum System

1

Brake Disc/Drum Retaining Bolts

M10 x 1.25
Torque Specification
74 ft-lbs (100 N·m)
Important Notes
Ensure disc/drum is properly seated on the hub before torquing.

Wheel Attachment System

1

Wheel Lug Nuts

M12 x 1.5
Torque Specification
76 ft-lbs (103 N·m)
Important Notes
Use a torque wrench to ensure even tightening of all lug nuts.

Brake Hydraulic System

1

Brake Line Fittings Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on typical brake line fitting torque specifications.
2

Brake Master Cylinder Mounting Bolts

M6 x 1.0
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on typical master cylinder mounting bolt torque specifications.

Brake Pedal System

1

Brake Pedal Assembly Bolts

M6 x 1.0
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Estimated value based on typical pedal assembly bolt torque specifications.

Drivetrain

Torque specifications for Drivetrain

Engine and Transmission Mounting

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 vehicle and component manufacturer.
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 vehicle and component manufacturer.
3

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
44 ft-lbs (60 N·m)

Transmission Oil Pan and Drain/Fill Plugs

1

Transmission Oil Pan Bolts

M8 x 1.25
Torque Specification
5 ft-lbs (8 N·m)
2

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)

Drive Axle/Half Shaft and CV Joint

1

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
47 ft-lbs (64 N·m)
2

CV Joint/Axle Nut

M20 x 1.5
Torque Specification
173 ft-lbs (234 N·m)
3

Drive Axle/Half Shaft Nut (at the wheel hub)

M20 x 1.5
Torque Specification
110 ft-lbs (149 N·m)
Important Notes
Estimated value, may vary depending on the specific vehicle and component manufacturer.

Differential and Transfer Case

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 vehicle and component manufacturer.
2

Differential Drain/Fill Plug

M12 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
3

Transfer Case Mounting Bolts

M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, may vary depending on the specific vehicle and component manufacturer.
4

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Specification
36 ft-lbs (49 N·m)

Flywheel and Drive Shaft

1

Flywheel Bolts

M14 x 1.5
Torque Specification
61 ft-lbs (83 N·m)
2

Propeller/Drive Shaft Bolts

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)

Electrical

Torque specifications for Electrical

Electrical System Mounting

1

Starter Motor Mounting Bolts

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
2

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
3

Ignition Coil Bolt

M8 x 1.25
Torque Specification
71 in-lbs (8 N·m)
Important Notes
Estimated value based on similar components.

Electrical Connectors

1

Spark Plug Wire Retainer Bolts

M6 x 1.0
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 15 ft-lbs (20 N·m)
Important Notes
Estimated value based on general industry standards.
2

Fuel Pump Electrical Connector Bolts

M6 x 1.0
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 15 ft-lbs (20 N·m)
Important Notes
Estimated value based on general industry standards.
3

Alternator Electrical Connector Bolts

M6 x 1.0
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 15 ft-lbs (20 N·m)
Important Notes
Estimated value based on general industry standards.

Battery Terminals

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
71 in-lbs (8 N·m)

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust Manifold Headers

1

Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Catalytic Converter Sensor Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar sensor mounting bolts. Ensure sensor is properly seated before tightening.

Egr System

1

EGR Valve Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the EGR valve is properly seated before tightening.

Emissions Sensors

1

Oxygen Sensor Mounting Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar sensor mounting bolts. Ensure sensor is properly seated before tightening.
2

Exhaust Gas Temperature Sensor Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on similar sensor mounting bolts. Ensure sensor is properly seated before tightening.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
23 ft-lbs (31 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure a leak-free seal to maintain exhaust system integrity.

Exhaust Pipe Connections

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure a tight seal to prevent exhaust leaks.
2

Catalytic Converter to Exhaust Pipe Bolts

M12 x 1.5
Torque Specification
37 ft-lbs (50 N·m)
Important Notes
Ensure a secure fit to maintain catalytic converter efficiency.
3

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure a tight connection to prevent exhaust leaks and reduce noise.

Exhaust Heat Shield

1

Exhaust Heat Shield Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Estimated value based on typical heat shield bolt sizes.

Exhaust Hangers

1

Exhaust Hanger Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on typical exhaust hanger bolt sizes.

Oxygen Sensor

1

Oxygen Sensor (O2 Sensor) Mounting Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on typical oxygen sensor bolt sizes.

Exhaust Flanges

1

Exhaust Flange Bolts

M10 x 1.25
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on typical exhaust flange bolt sizes.

Fuel

Torque specifications for Fuel

Fuel Rail System

1

Fuel Rail Bolts

M8 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3

Fuel Injector Rail Bolts

M8 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Tighten in a crisscross pattern to ensure even pressure distribution.

Fuel Pump And Tank System

1

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
4.4 ft-lbs (6 N·m)
Important Notes
Ensure the fuel pump is properly aligned before tightening.
2

Fuel Tank Strap Bolts

M10 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Ensure the fuel tank is properly supported before tightening.
3

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
4.4 ft-lbs (6 N·m)
Important Notes
Ensure the sender unit is properly seated before tightening.

Fuel Delivery And Filtration

1

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the fuel filter is properly aligned before tightening.
2

Fuel Line Fittings

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure fittings are properly seated before tightening.
3

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
6.7 ft-lbs (9 N·m)
Important Notes
Ensure the filler neck is properly aligned before tightening.

Evaporative Emissions System

1

Fuel Vapor Canister Bolts

M6 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the canister is properly aligned before tightening.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the compressor is properly aligned before tightening. Torque sequence is critical to avoid warping or misalignment.

Ac Lines

1

A/C Line Fittings

M8 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure fittings are clean and free of debris before assembly. Over-tightening can damage O-rings and cause leaks.

Evaporator Core

1

Evaporator Core Housing Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications. Ensure housing is properly sealed to prevent refrigerant leaks.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications. Ensure motor is securely mounted to prevent vibrations.

Heater Core

1

Heater Core Inlet/Outlet Pipe Bolts

M8 x 1.0
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure fittings are clean and free of debris before assembly. Over-tightening can damage O-rings and cause leaks.

Hvac Case

1

HVAC Case Assembly Bolts

M6 x 1.0
Torque Specification
5.9 ft-lbs (8 N·m)
Important Notes
Estimated value based on typical M6 bolt torque specifications. Ensure case is properly sealed to prevent air leaks.

Condenser

1

Condenser Mounting Bolts

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the condenser is properly aligned before tightening. Torque sequence is critical to avoid warping or misalignment.

Suspension

Torque specifications for Suspension

Front Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
142 ft-lbs (193 N·m)
Important Notes
Secure the strut/shock absorber to the vehicle's frame.
2

Control Arm Bolts

M12 x 1.25
Torque Specification
85 ft-lbs (115 N·m)
Important Notes
Connect the control arms to the frame and suspension components.
3

Upper Control Arm Bushing Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on industry standards. Secure the upper control arm bushings to the control arm.
4

Lower Control Arm Bushing Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value based on industry standards. Secure the lower control arm bushings to the control arm.
5

Steering Knuckle Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value based on industry standards. Secure the steering knuckle to the suspension components.

Steering System

1

Ball Joint Nut

M16 x 1.5
Torque Specification
87 ft-lbs (118 N·m)
Important Notes
Secure the ball joint to the control arm.
2

Tie Rod End Nut

M12 x 1.25
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Secure the tie rod end to the steering knuckle.
3

Sway Bar Link Nut

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Secure the sway bar link to the sway bar and control arm.

Spring and Shock Absorber

1

Coil Spring Mounting Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on industry standards. Secure the coil spring to the strut/shock absorber.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

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

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

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 2015 Lexus GX 460?

The recommended torque for the lug nuts on a 2015 Lexus GX 460 IS 103 ft-lbs (140 N-m).

Q2

What tools do I need to properly torque the bolts on my 2012 Lexus GX 460?

To properly torque the bolts on your 2012 Lexus GX 460, you will need a torque wrench. A torque wrench IS a tool that measures the amount of torque being applied to a bolt or nut.

Q3

How do I convert inch-pounds (in-lbs) to foot-pounds (ft-lbs)?

To convert inch-pounds (in-lbs) to foot-pounds (ft-lbs), divide the inch-pounds value by 12. For example, to convert 240 in-lbs to ft-lbs, divide 240 by 12, which equals 20 ft-lbs.

Q4

What IS the torque spec for the oil drain plug on my 2010 Lexus GX 460?

The torque spec for the oil drain plug on a 2010 Lexus GX 460 IS 27 ft-lbs (37 N-m).

Q5

Can I use a regular wrench to tighten the bolts on my 2013 Lexus GX 460?

No, you should not use a regular wrench to tighten the bolts on your 2013 Lexus GX 460. A regular wrench does not measure the amount of torque being applied, which can lead to over-tightening or under-tightening the bolts.

Q6

What IS the recommended torque for the spark plugs on my 2014 Lexus GX 460?

The recommended torque for the spark plugs on a 2014 Lexus GX 460 IS 13 ft-lbs (18 N-m).

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

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

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

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 GX.

  • Digital display for accurate readings
  • Audible alarm when target torque IS reached
  • Multiple units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism
Learn more
Service Procedures

Tightening Bolts on Suspension Components

Procedure for properly tightening bolts on suspension components, including torque specifications for each component.

  • Locate the bolt to be tightened.
  • Clean the bolt and the threads on the mating component.
  • Apply a small amount of anti-seize lubricant to the threads.
  • Tighten the bolt to the specified torque using a digital torque wrench.
  • Double-check the torque using the torque wrench.
View full procedure
Technical Service Bulletins

TSB 0436-19: Suspension Bolt Torque Specification Correction

2019-04-12

This bulletin corrects the torque specification for the lower control arm mounting bolts on certain GX models.

2010-2019 GX 460

Resolution: Update the torque specification for the lower control arm mounting bolts to 120 Nm (89 ft-lb).

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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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About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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