Acura RSX 2002-2006 Drivetrain Bolt Torque Specifications & Fastener Values
Acura RSX 2002-2006

Acura RSX 2002-2006 Drivetrain Bolt Torque Specifications

Comprehensive guide to drivetrain bolt torque specifications for the 2002-2006 Acura RSX, including transmission, axles, and related components.

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

Search Specifications

Search by component name, bolt size, or description

Torque Calculator

Convert between different torque units

Drivetrain Flywheel Clutch

Torque specifications for components related to the flywheel and clutch assembly.

1

Flywheel Bolts

M10 x 1.25
Torque Value
79 ft-lbs (107 N·m)
Important Notes
Tighten bolts in a star pattern to ensure even clamping pressure.
2

Pressure Plate Bolts

M8 x 1.25
Torque Value
19 ft-lbs (26 N·m)
Important Notes
Tighten bolts in a star pattern to ensure even clamping pressure. Estimated value, may vary based on manufacturer
3

Clutch Slave Cylinder Bolts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Estimated value, may vary based on manufacturer. Ensure proper alignment to prevent damage.

Drivetrain Transmission

Torque specifications for the transmission case, mounts, and related components.

1

Transmission Mounting Bolts

M12 x 1.5
Torque Value
47 ft-lbs (64 N·m)
Important Notes
Ensure the transmission is properly aligned before tightening.
2

Transmission Mount Bolts

M12 x 1.5
Torque Value
47 ft-lbs (64 N·m)
Important Notes
Ensure the mounts are properly aligned before tightening. Estimated value if not specified by the manufacturer.
3

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Use a new gasket or sealant and tighten bolts in a crisscross pattern to avoid leaks.
4

Transmission Drain and Fill Plugs

M18 x 1.5
Torque Value
36 ft-lbs (49 N·m)
Important Notes
Use a new crush washer or sealing washer to prevent leaks.

Drivetrain Shift Linkage

Torque specifications for the shift linkage mechanism.

1

Shift Linkage Bolts/Nuts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Ensure proper linkage alignment before tightening. Estimated value, may vary based on manufacturer.

Drivetrain Axles And Differential

Torque specifications for axle and differential components. (Note: RSX is typically FWD, some components may not be present)

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Value
47 ft-lbs (64 N·m)
Important Notes
Ensure proper alignment before tightening. These bolts secure the axles at both the transmission and hub ends
2

CV Joint/Axle Nut

M22 x 1.5
Torque Value
134 ft-lbs (182 N·m)
Important Notes
This nut is used to preload the wheel bearing; ensure proper installation. May require specific procedures for proper tension.
3

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Value
47 ft-lbs (64 N·m)
Important Notes
Only applicable for AWD models, where a driveshaft is used.
4

Differential Drain/Fill Plug

M18 x 1.5
Torque Value
33 ft-lbs (44 N·m)
Important Notes
Use a new crush washer or sealing washer to prevent leaks. Typically only present on AWD models.

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

Why are torque specifications so important?

Correct torque is crucial for proper component function and longevity. Under-tightening can lead to loosening, component failure, or leaks, while over-tightening can damage threads, stretch bolts, or distort components, potentially causing premature failure and expensive repairs. For instance, over-torquing a differential mount bolt can lead to cracks in the mount or the surrounding chassis.

Q2

What happens if I don't have a torque wrench?

While it's *possible* to tighten bolts without a torque wrench, it's highly discouraged for critical drivetrain components. Guessing or tightening by feel introduces inconsistencies and risks both undertightening and overtightening. Renting or borrowing a torque wrench is essential for accurate installation and safety. Consider the alternative: a loosened driveshaft bolt could lead to catastrophic failure while driving.

Q3

Do I need to replace bolts after loosening?

While not always mandatory, it's best practice to replace certain drivetrain bolts, particularly those that are torque-to-yield (TTY) or have been heavily stressed. These bolts are designed to stretch upon tightening and should not be reused. Examples include driveshaft bolts and some differential mount bolts. Refer to the factory service manual or online databases to confirm the specific needs for your bolt.

Q4

Do I need to use thread locker?

Thread locker is often recommended for bolts that are subject to vibration or extreme stress, such as driveshaft flange bolts and certain differential case bolts. Loctite (or similar) helps prevent bolts from backing out over time. Always refer to your vehicle's service manual as it will specify the correct type and application procedure of thread locker.

Q5

Are the torque specs the same for all RSX models (Base, Type-S)?

Generally, the drivetrain torque specifications are the same between the base model and Type-S RSX for similar components. However, it is still critical to consult the specific service manual for your vehicle's year to confirm all bolt torque specs as minor variations may exist. For example, the transmission case bolts should all be tightened according to the correct specs no matter which model RSX.

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

Torque Wrench (1/2" Drive)

A 1/2 inch drive torque wrench is essential for tightening larger bolts to specific torque values.

  • Accurate torque measurement
  • Wide range of torque settings
Learn more

Torque Wrench (3/8" Drive)

A 3/8 inch drive torque wrench is useful for tightening smaller bolts to specific torque values.

  • Accurate torque measurement
  • Suitable for smaller fasteners
Learn more

Socket Set (Metric)

A comprehensive metric socket set is necessary to match the various bolt head sizes in the drivetrain.

  • Variety of socket sizes
  • Durable construction
Learn more

Extension Bars

Extension bars help access bolts in recessed or hard-to-reach locations.

  • Various lengths for different applications
  • Increased access
Learn more

Universal Joint

A universal joint allows the socket to be used at an angle.

  • Allows socket rotation
  • Helpful for angled bolts
Learn more
Service Procedures

Driveshaft Bolt Torque Procedure

Proper torque application to the driveshaft bolts is critical for reliable power transfer. This procedure outlines the proper steps.

  • Locate the driveshaft bolts connecting the driveshaft to the transmission and differential.
  • Using the correct metric socket, loosen and remove the old driveshaft bolts.
  • Install the new driveshaft bolts.
  • Set the torque wrench to the specified torque value (e.g., 43 ft-lb).
  • Tighten the bolts in a crisscross pattern to ensure even pressure on the flange.
  • Verify torque on each bolt.
View full procedure

Transmission Mount Bolt Torque Procedure

Proper torque application to the transmission mount bolts is crucial for stability and vibration dampening. This procedure outlines the proper steps.

  • Locate the transmission mount bolts.
  • Using the correct metric socket, loosen and remove the old transmission mount bolts.
  • Install the new transmission mount bolts.
  • Set the torque wrench to the specified torque value (e.g., 47 ft-lb).
  • Tighten the bolts in a crisscross pattern to ensure even pressure on the mount.
  • Verify torque on each bolt.
View full procedure

Axle Nut Torque Procedure

Proper torque application to the axle nut is essential for wheel bearing life and safe operation. This procedure outlines the proper steps.

  • Locate the axle nut at the center of the wheel hub.
  • Using the correct metric socket, loosen and remove the old axle nut.
  • Install the new axle nut.
  • Set the torque wrench to the specified torque value (e.g., 134 ft-lb).
  • Tighten the axle nut.
  • Verify torque on the axle nut.
View full procedure
Technical Service Bulletins

Driveshaft Bolt Loosening Issue

2004-03-15

Some 2002-2004 models have experienced driveshaft bolt loosening due to improper factory torque application or bolt stretch. This can lead to increased drivetrain vibrations.

2002-2004

Resolution: Replace the driveshaft bolts with new ones, and torque to spec using a calibrated torque wrench. Consider applying thread locker.

Transmission Mount Failure and Vibration

2005-09-20

Certain 2004-2006 models have reported premature transmission mount failure, causing excessive vibration. Improper bolt torque may contribute to this issue.

2004-2006

Resolution: Inspect the transmission mount for tears or wear. Replace if necessary. Ensure all mount bolts are torqued to specification.

Wheel Bearing Premature Wear Due to Axle Nut Issues

2003-06-01

Some vehicles have experienced premature wheel bearing wear. An incorrectly torqued axle nut can contribute to this wear.

2002-2003

Resolution: Replace wheel bearing if damaged. Ensure the axle nut is torqued correctly after replacement.

About the Author

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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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