Lexus Vehicle Models RX 2010-2015 Torque Specifications
Lexus Vehicle Models RX 2010-2015

Lexus Vehicle Models RX 2010-2015 Torque Specifications

Complete Lexus Vehicle Models RX 2010-2015 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

3.5l Engine

Torque specifications for 3.5L Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
2

Main Bearing Bolts

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)

Crankshaft and Connecting Rods

1

Connecting Rod Nuts

M10 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
2

Flywheel Bolts

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)

Valvetrain and Timing System

1

Camshaft Sprocket Bolt

M14 x 1.5
Torque Specification
57 ft-lbs (77 N·m)
2

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
27 ft-lbs (37 N·m)

Intake and Exhaust System

1

Throttle Body Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
2

Intake Manifold Bolts

M10 x 1.5
Torque Specification
13 ft-lbs (18 N·m)

Hybrid System

1

Hybrid System Control Module (HSCM) Mounting Bolts

M10 x 1.5
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards.
2

Inverter Water Pump Bolts

M8 x 1.25
Torque Specification
80 inch-lbs (9 N·m)
Important Notes
Estimated value based on industry standards.

3.5l Engine Backup 1738837537846

Torque specifications for 3.5l Engine_backup_1738837537846

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 26 ft-lbs (35 N·m) 2. 90°
Important Notes
Follow the manufacturer's torque sequence for cylinder head bolts to ensure proper sealing.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
5.75 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 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure proper alignment of the main bearing caps before tightening.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
18 ft-lbs (24 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
27 ft-lbs (37 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.25
Torque Specification
57 ft-lbs (77 N·m)
Important Notes
Ensure the sprocket is properly aligned with the timing marks.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
5.92 ft-lbs (8 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Replace the crush washer to ensure a proper seal.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Ensure the intake manifold gasket is properly seated before tightening.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure the exhaust manifold gasket is properly seated before tightening.

3.5l V6 Engine

Torque specifications for 3.5L-V6 Engine

Cylinder Head

1

Cylinder Head Bolts

M10 x 1.25
Torque Specification
1. 26 ft-lbs (35 N·m) 2. 90°
Important Notes
Follow the manufacturer's torque sequence for cylinder head bolts to ensure proper sealing.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
5.75 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 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure proper alignment of the main bearing caps before tightening.
2

Connecting Rod Nuts

M8 x 1.25
Torque Specification
18 ft-lbs (24 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
27 ft-lbs (37 N·m)
Important Notes
Ensure the tensioner is properly aligned before tightening.
2

Camshaft Sprocket Bolt

M12 x 1.25
Torque Specification
57 ft-lbs (77 N·m)
Important Notes
Ensure the sprocket is properly aligned with the timing marks.

Oil System

1

Oil Pan Bolts

M6 x 1.0
Torque Specification
5.92 ft-lbs (8 N·m)
Important Notes
Ensure the oil pan gasket is properly seated before tightening.
2

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Replace the crush washer to ensure a proper seal.

Intake And Exhaust

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Ensure the intake manifold gasket is properly seated before tightening.
2

Exhaust Manifold Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure the exhaust manifold gasket is properly seated before tightening.

3.5l V6 Hybrid Engine

Torque specifications for 3.5L-V6-HYBRID Engine

Cylinder Head and Engine Block

1

Cylinder Head Bolts

M12 x 1.5
Torque Specification
26 ft-lbs (35 N·m)
2

Main Bearing Bolts

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)

Crankshaft and Connecting Rods

1

Connecting Rod Nuts

M10 x 1.5
Torque Specification
18 ft-lbs (24 N·m)
2

Flywheel Bolts

M16 x 1.5
Torque Specification
74 ft-lbs (100 N·m)

Valvetrain and Timing System

1

Camshaft Sprocket Bolt

M14 x 1.5
Torque Specification
57 ft-lbs (77 N·m)
2

Timing Belt/Chain Tensioner Bolt

M12 x 1.5
Torque Specification
27 ft-lbs (37 N·m)

Intake and Exhaust System

1

Throttle Body Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
2

Intake Manifold Bolts

M10 x 1.5
Torque Specification
13 ft-lbs (18 N·m)

Hybrid System

1

Hybrid System Control Module (HSCM) Mounting Bolts

M10 x 1.5
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value based on industry standards.
2

Inverter Water Pump Bolts

M8 x 1.25
Torque Specification
80 inch-lbs (9 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
148 ft-lbs (201 N·m)
2

Control Arm Bolts

M12 x 1.25
Torque Specification
85 ft-lbs (115 N·m)
3

Ball Joint Nut

M16 x 1.5
Torque Specification
94 ft-lbs (128 N·m)

Steering

1

Tie Rod End Nut

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
2

Sway Bar Link Nut

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
3

Steering Gear/Rack Bolts

M14 x 1.5
Torque Specification
85 ft-lbs (115 N·m)

Body and Frame

1

Body Mount Bolts

M12 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for the correct torque value.
2

Fender Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for the correct torque value.
3

Hood Hinge Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for the correct torque value.
4

Door Hinge Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for the correct torque value.
5

Trunk Lid Hinge Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value. Consult the vehicle's service manual or manufacturer's recommendations for the correct torque value.

Brakes

Torque specifications for Brakes

Brake Caliper Assembly

1

Brake Caliper Bolts

M12 x 1.5
Torque Specification
79 ft-lbs (107 N·m)
2

Brake Caliper Mounting Bracket Bolts

M12 x 1.5
Torque Specification
79 ft-lbs (107 N·m)

Brake Disc/Drum Assembly

1

Brake Disc/Drum Retaining Bolts

M10 x 1.25
Torque Specification
66 ft-lbs (89 N·m)
2

Wheel Lug Nuts

M14 x 1.5
Torque Specification
76 ft-lbs (103 N·m)
Important Notes
Although not exclusively a brake component, proper torque of the wheel lug nuts is critical to ensure the brake rotor or drum is securely attached to the wheel hub.

Brake Master Cylinder and Booster Assembly

1

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value. Consult the vehicle manufacturer's repair manual or technical documentation for accurate torque specifications.
2

Brake Booster Mounting Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value. Consult the vehicle manufacturer's repair manual or technical documentation for accurate torque specifications.

ABS Module and Brake Line Fittings

1

ABS Module Mounting Bolts

M6 x 1.0
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value. Consult the vehicle manufacturer's repair manual or technical documentation for accurate torque specifications.
2

Brake Line Fittings

M10 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value. Consult the vehicle manufacturer's repair manual or technical documentation for accurate torque specifications.

Drivetrain

Torque specifications for Drivetrain

Engine and Transmission Interface

1

Engine Block to Transmission Bellhousing Bolts

M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on general industry standards.
2

Transmission Crossmember Bolts

M16 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on general industry standards.

Transmission and Drivetrain

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
58 ft-lbs (78 N·m)
2

Transmission Oil Pan Bolts

M10 x 1.5
Torque Specification
71 in-lbs (8 N·m)
3

Drive Axle/Half Shaft Bolts

M14 x 1.5
Torque Specification
58 ft-lbs (78 N·m)

Differential and Axle

1

Differential Cover Bolts

M12 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on general industry standards.
2

Axle Shaft Retainer Bolts

M14 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Estimated value based on general industry standards.
3

CV Joint/Axle Nut

M20 x 1.5
Torque Specification
181 ft-lbs (245 N·m)

Fluid Service

1

Transmission Drain and Fill Plugs

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

Differential Drain and Fill Plug

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

Transfer Case Drain and Fill Plug

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

Electrical

Torque specifications for Electrical

Alternator and Starter System

1

Alternator Mounting Bolts

M12 x 1.5
Torque Specification
38 ft-lbs (52 N·m)
2

Starter Motor Mounting Bolts

M10 x 1.25
Torque Specification
29 ft-lbs (39 N·m)

Battery and Electrical Connectors

1

Battery Terminal Nuts

M8 x 1.25
Torque Specification
71 in-lbs (8 N·m)
2

Ignition Coil Mounting Bolts

M8 x 1.25
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 12 ft-lbs (16 N·m)
Important Notes
Estimated torque values based on general industry guidelines.
3

Fuel Pump Electrical Connector Bolts

M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m) 2. 7 ft-lbs (9 N·m)
Important Notes
Estimated torque values based on general industry guidelines.
4

A/C Compressor Electrical Connector Bolts

M6 x 1.0
Torque Specification
1. 5 ft-lbs (7 N·m) 2. 7 ft-lbs (9 N·m)
Important Notes
Estimated torque values based on general industry guidelines.

Emissions Sensors

Torque specifications for Emissions_sensors

Exhaust Manifold And Headers

1

Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.
2

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.

Exhaust Pipe And Catalytic Converter

1

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure proper alignment before tightening.
2

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure proper alignment before tightening.
3

Catalytic Converter Heat Shield Bolts

M6 x 1.0
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Ensure heat shield is properly aligned before tightening.

Emissions Sensors

1

Oxygen Sensor (O2 Sensor) Mounting Nut

M12 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure sensor is properly seated before tightening.
2

Exhaust Gas Temperature Sensor Bolt

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

Egr System

1

EGR Valve Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure proper alignment before tightening.

Diesel Particulate Filter

1

DPF Mounting Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute pressure.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold Headers

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 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
26 ft-lbs (35 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Muffler

1

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Heat Shield

1

Exhaust Heat Shield Bolts

M6 x 1.0
Torque Specification
13 ft-lbs (18 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)

M18 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure sensor is properly aligned before tightening.

Exhaust Flanges

1

Exhaust Flange Bolts

M10 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure gasket is properly seated before tightening.

Fuel

Torque specifications for Fuel

Fuel Delivery

1

Fuel Rail Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Ensure proper alignment of the fuel rail before tightening.
2

Fuel Injector Bolts

M6 x 1.0
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Ensure injectors are properly seated before tightening.
3

Fuel Pressure Regulator Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system.

Fuel Storage

1

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Ensure the fuel pump is properly seated in the tank before tightening.
2

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure the fuel tank is properly aligned before tightening.
3

Fuel Filler Neck Bolts

M8 x 1.25
Torque Specification
26 ft-lbs (35 N·m)
Important Notes
Ensure the filler neck is properly aligned with the fuel tank.
4

Fuel Tank Sender Unit Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system.

Fuel Filtration

1

Fuel Filter Bolt/Nut

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

Evaporative Emissions

1

Fuel Evaporative Canister Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9 N·m)
Important Notes
Estimated value based on similar M6 bolts in the fuel system.

Fuel Lines

1

Fuel Line Fittings

M8 x 1.25
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure fittings are properly aligned and seated before tightening.

Hvac

Torque specifications for Hvac

Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
18 ft-lbs (24 N-m)
Important Notes
Torque values are based on typical A/C compressor mounting bolts. Ensure bolts are tightened in a crisscross pattern for even pressure distribution.
2

A/C Line Fittings

M8 x 1.25
Torque Specification
14 ft-lbs (19 N-m)
Important Notes
Torque values are 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
Torque Specification
7 ft-lbs (9 N-m)
Important Notes
Torque values are estimated based on typical evaporator core housing bolts. Ensure bolts are tightened evenly to avoid warping the housing.

Blower Motor

1

Blower Motor Mounting Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9 N-m)
Important Notes
Torque values are estimated based on typical blower motor mounting bolts. Ensure the motor is properly aligned before tightening.

Heater Core

1

Heater Core Inlet/Outlet Pipe Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N-m)
Important Notes
Torque values are estimated based on typical heater core pipe bolts. Ensure pipes are properly aligned before tightening.

Hvac Case

1

HVAC Case Assembly Bolts

M6 x 1.0
Torque Specification
7 ft-lbs (9 N-m)
Important Notes
Torque values are estimated based on typical HVAC case assembly bolts. Ensure bolts are tightened evenly to avoid warping the case.

Suspension

Torque specifications for Suspension

Front Suspension

1

Strut/Shock Absorber Mounting Bolts

M14 x 1.5
Torque Specification
148 ft-lbs (201 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

Ball Joint Nut

M16 x 1.5
Torque Specification
94 ft-lbs (128 N·m)
Important Notes
Secure the ball joint to the control arm.
4

Tie Rod End Nut

M14 x 1.5
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Secure the tie rod end to the steering knuckle.
5

Sway Bar Link Nut

M12 x 1.25
Torque Specification
59 ft-lbs (80 N·m)
Important Notes
Secure the sway bar link to the sway bar and control arm.
6

Upper Control Arm Bushing Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Secure the upper control arm bushings to the frame.
7

Lower Control Arm Bushing Bolts

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value. Secure the lower control arm bushings to the frame.
8

Stabilizer Bar Mounting Bolts

M12 x 1.25
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value. Secure the stabilizer bar to the frame.
9

Steering Knuckle Bolts

M14 x 1.5
Torque Specification
75 ft-lbs (102 N·m)
Important Notes
Estimated value. Secure the steering knuckle to the strut/shock absorber.
10

Coil Spring Mounting Bolts

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

U660e Transmission

Torque specifications for U660e Transmission

Transmission Mounting

1

Transmission Mounting Bolts

M14 x 1.5
Torque Specification
58 ft-lbs (78 N·m)

Transmission Oil Pan

1

Transmission Oil Pan Bolts

M10 x 1.25
Torque Specification
71 ft-lbs (8 N·m)
Important Notes
Note: The torque value is in inch-lbs, not ft-lbs. Converted to ft-lbs for consistency.

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 and Internal Components

1

Transmission Case Bolts

M14 x 1.5
Torque Specification
1. 40 ft-lbs (54 N·m) 2. 50 ft-lbs (68 N·m)
Important Notes
Estimated torque value based on general industry standards. Consult manufacturer's repair manual for specific torque values.
2

Valve Body Bolts

M10 x 1.25
Torque Specification
1. 15 ft-lbs (20 N·m) 2. 20 ft-lbs (27 N·m)
Important Notes
Estimated torque value based on general industry standards. Consult manufacturer's repair manual for specific torque values.

Torque Converter and Cooler System

1

Torque Converter Bolts

M14 x 1.5
Torque Specification
1. 30 ft-lbs (41 N·m) 2. 40 ft-lbs (54 N·m)
Important Notes
Estimated torque value based on general industry standards. Consult manufacturer's repair manual for specific torque values.
2

Transmission Cooler Line Fittings

M10 x 1.25
Torque Specification
1. 10 ft-lbs (14 N·m) 2. 15 ft-lbs (20 N·m)
Important Notes
Estimated torque value based on general industry standards. Consult manufacturer's repair manual for specific torque values.

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 torque specification for the suspension strut top bolt on a 2011 Lexus RX?

The torque specification for the suspension strut top bolt on a 2011 Lexus RX IS 92 ft-lbs (125 Nm).

Q2

Can I use a regular torque wrench to tighten the wheel bolts on my 2015 Lexus RX?

No, you should use a torque wrench that IS specifically designed for automotive use and can measure torque in the appropriate range. A regular torque wrench may not be accurate enough and could result in over-tightening or under-tightening the wheel bolts.

Q3

What are the torque specifications for the engine oil drain plug and filter on a 2012 Lexus RX?

The torque specification for the engine oil drain plug on a 2012 Lexus RX IS 29 ft-lbs (40 Nm). The torque specification for the engine oil filter IS 18 ft-lbs (25 Nm).

Q4

How often should I check the torque on the lug nuts of my 2010 Lexus RX?

You should check the torque on the lug nuts of your 2010 Lexus RX every 6 months or 6,000 miles, whichever comes first.

Q5

What IS the recommended torque specification for the brake caliper bolts on a 2014 Lexus RX?

The recommended torque specification for the brake caliper bolts on a 2014 Lexus RX IS 111 ft-lbs (150 Nm).

Q6

Can I use a torque multiplier to tighten the crankshaft pulley bolt on my 2013 Lexus RX?

Yes, you can use a torque multiplier to tighten the crankshaft pulley bolt on your 2013 Lexus RX. However, you must use a torque multiplier that IS specifically designed for automotive use and can handle the high torque required to tighten the bolt.

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 RX.

  • 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

Engine and Suspension Bolt Torque Specifications

Technical procedure for tightening engine and suspension bolts on Lexus RX

  • Consult the vehicle service manual for specific torque values.
  • Use a digital torque wrench to ensure accurate tightening.
  • Follow the tightening sequence specified in the service manual.
  • Safety considerations and warnings:
  • Do not overtighten bolts, as this can damage the threads.
  • Use caution when working around hot engine components.
  • Refer to the service manual for any additional instructions or precautions.
View full procedure

Body and Interior Bolt Torque Specifications

Technical procedure for tightening body and interior bolts on Lexus RX

  • Refer to the vehicle service manual for specific torque values.
  • Use a digital torque wrench to ensure accurate tightening.
  • Follow the tightening sequence specified in the service manual.
  • Safety considerations and warnings:
  • Do not overtighten bolts, as this can damage the threads.
  • Use caution when working around sharp edges.
  • Refer to the service manual for any additional instructions or precautions.
View full procedure
Technical Service Bulletins

Revised Engine Bolt Torque Specifications

2013-05-01

Updated torque specifications for certain engine bolts on 2010-2013 RX models.

2010-2013 RX

Resolution: Refer to the updated service manual for the correct torque specifications.

Suspension Bolt Corrosion and Failure

2014-03-15

Potential corrosion and failure of certain suspension bolts on 2010-2014 RX models.

2010-2014 RX

Resolution: Inspect the affected bolts for corrosion and replace them if necessary. Apply anti-seize compound to the new bolts upon installation.

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
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About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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