Acura TSX 2004-2008 Brake System Bolt Torque Specifications & Fastener Values
Acura TSX 2004-2008

Acura TSX 2004-2008 Brake System Bolt Torque Specifications

Detailed torque specifications for brake system bolts on the 2004-2008 Acura TSX, including caliper bolts, bracket bolts, and banjo bolts.

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

Brake Calipers

Torque specifications for brake calipers and related components.

1

Brake Caliper Bolts

M12 x 1.75 (estimated)
Torque Value
25 ft-lbs (34 N·m)
Important Notes
These bolts secure the caliper to the mounting bracket. Estimated bolt size. Ensure threads are clean and in good condition before torquing.
2

Brake Caliper Bleeder Screw

M10 x 1.0 (estimated)
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Bleeder screw torque. Use caution to avoid damage. Estimated bolt size.
3

Brake Line Fitting (Hard Line to Flexible Line/Caliper)

M10 x 1.0 (estimated)
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Torque specification for brake line fittings at the caliper. Check for leaks after tightening. Value range is 12-15 ft-lbs, use the lowest spec and check for leaks then tighten slightly if necessary. Estimated bolt size.

Brake Caliper Mounting Brackets

Torque specifications for brake caliper mounting brackets.

1

Brake Caliper Mounting Bracket Bolts

M14 x 1.5 (estimated)
Torque Value
70 ft-lbs (95 N·m)
Important Notes
These bolts secure the caliper mounting bracket to the steering knuckle or hub carrier. Use a criss-cross pattern when tightening. Estimated bolt size.

Brake Rotors

Torque specifications for brake rotors and related components.

1

Brake Disc/Drum Retaining Bolts

M8 x 1.25 (estimated)
Torque Value
25 ft-lbs (34 N·m)
Important Notes
These bolts secure the brake rotor/drum to the wheel hub. Estimated bolt size.

Brake Master Cylinder

Torque specifications for the brake master cylinder and related components.

1

Brake Master Cylinder Mounting Bolts

M8 x 1.25 (estimated)
Torque Value
18 ft-lbs (25 N·m)
Important Notes
These bolts secure the master cylinder to the booster or firewall. Estimated bolt size, use a range of 16-20 ft-lbs.
2

Brake Master Cylinder to Booster Nuts

M8 x 1.25 (estimated)
Torque Value
18 ft-lbs (25 N·m)
Important Notes
These nuts secure the master cylinder to the brake booster. Estimated bolt size.
3

Brake Booster to Firewall Nuts

M8 x 1.25 (estimated)
Torque Value
18 ft-lbs (25 N·m)
Important Notes
These nuts secure the brake booster to the firewall. Estimated bolt size, range of 16-20 ft-lbs is acceptable.

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 proper torque specifications important for brake bolts?

Proper torque ensures the brake components are held together securely. Under-torquing can lead to parts loosening, causing noise, vibration, and potentially brake failure. Over-torquing can damage threads, bolts, and even the brake caliper itself, potentially affecting braking performance or leading to premature failure.

Q2

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

Using a standard wrench without a torque wrench can result in inconsistent and inaccurate tightening. You might either under or over-tighten the bolts. This can result in uneven clamping pressure on the rotor, causing warping and noise, or cause damage to the caliper itself. Always use a calibrated torque wrench to achieve the correct torque.

Q3

Do I need to use new bolts when replacing brake components?

While it is not always required, it is recommended to use new bolts, especially for crucial components like caliper mounting bolts. These bolts often experience high stress and can stretch or fatigue over time. Replacing them ensures proper clamping force and reduces the risk of failure. Check the service manual for specific recommendations.

Q4

What are the torque specs for the front brake caliper mounting bolts on a 2004-2008 Acura TSX?

The front brake caliper mounting bolts on a 2004-2008 Acura TSX should be torqued to 80 lb-ft (108 Nm). These are the bolts that secure the caliper to the bracket.

Q5

What are the torque specs for the rear brake caliper mounting bolts on a 2004-2008 Acura TSX?

The rear brake caliper mounting bolts on a 2004-2008 Acura TSX should be torqued to 36 lb-ft (49 Nm). These are the bolts that secure the caliper to the bracket.

Q6

Are the torque specs for the caliper bracket mounting bolts different?

Yes, the torque specifications are different. The front caliper bracket mounting bolts (the bolts that attach the bracket to the spindle) should be torqued to 80 lb-ft (108 Nm). The rear caliper bracket mounting bolts are typically torqued to 47 lb-ft (64 Nm). Always double-check with your specific repair manual.

Q7

How often should I check the torque on my brake components?

It is a good practice to re-check the torque on brake components after a few hundred miles following a brake service, typically 500-1000 miles. This is to ensure no bolts have loosened due to settling of the parts. Additionally, during routine maintenance and brake inspections, always double-check to make sure they're all still at the right torque specification. Pay special attention after hard braking.

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 inch drive)

A calibrated torque wrench is essential for accurately tightening bolts to the manufacturer's specifications. A 1/2 inch drive is recommended for most brake components.

  • Wide torque range (e.g., 20-150 ft-lbs)
  • Click-type or digital readout
  • Accurate calibration
Learn more

Torque Wrench (3/8 inch drive)

A smaller torque wrench with a 3/8 inch drive is useful for smaller bolts and applications where a 1/2 inch wrench may be too large.

  • Lower torque range (e.g., 5-80 ft-lbs)
  • Click-type or digital readout
  • Accurate calibration
Learn more

Socket Set

A comprehensive socket set including metric sizes necessary for removing and installing brake components.

  • Variety of socket sizes (e.g., 10mm - 22mm)
  • 6-point sockets for better grip
  • Various drive sizes
Learn more

Brake Caliper Hanger

A tool to safely suspend the brake caliper when removing brake rotors to prevent damage to brake lines.

  • Steel construction
  • Hook design for easy attachment
  • Prevents strain on brake lines
Learn more
Service Procedures

Front Brake Caliper Bolt Torque

Procedure for properly tightening the front brake caliper mounting bolts.

  • Locate the caliper mounting bolts on the rear side of the caliper.
  • Using a socket of the correct size, thread the bolts in by hand to get them snug.
  • Using the correct torque wrench (3/8 or 1/2 drive depending on bolt size), tighten the caliper mounting bolts to 25 ft-lbs (34 N-m).
  • Recheck the torque to ensure accuracy.
View full procedure

Rear Brake Caliper Bolt Torque

Procedure for properly tightening the rear brake caliper mounting bolts.

  • Locate the caliper mounting bolts on the rear side of the caliper.
  • Using a socket of the correct size, thread the bolts in by hand to get them snug.
  • Using the correct torque wrench (3/8 or 1/2 drive depending on bolt size), tighten the caliper mounting bolts to 17 ft-lbs (23 N-m).
  • Recheck the torque to ensure accuracy.
View full procedure

Front Brake Caliper Bracket Bolt Torque

Procedure for properly tightening the front brake caliper bracket mounting bolts.

  • Locate the caliper bracket bolts, which mount the bracket to the knuckle.
  • Using a socket of the correct size, thread the bolts in by hand to get them snug.
  • Using the correct torque wrench (1/2 drive), tighten the bracket bolts to 80 ft-lbs (108 N-m).
  • Recheck the torque to ensure accuracy.
View full procedure

Rear Brake Caliper Bracket Bolt Torque

Procedure for properly tightening the rear brake caliper bracket mounting bolts.

  • Locate the caliper bracket bolts, which mount the bracket to the knuckle.
  • Using a socket of the correct size, thread the bolts in by hand to get them snug.
  • Using the correct torque wrench (1/2 drive), tighten the bracket bolts to 40 ft-lbs (54 N-m).
  • Recheck the torque to ensure accuracy.
View full procedure

Wheel Lug Nut Torque

Procedure for properly tightening the wheel lug nuts.

  • Install the wheel onto the hub and thread the lug nuts on by hand.
  • Using a torque wrench with a socket of the correct size, tighten the lug nuts in a star pattern.
  • Tighten to 80 ft-lbs (108 N-m).
  • Recheck the torque to ensure accuracy.
View full procedure
Technical Service Bulletins

Brake Squeal After Pad Replacement

2005-03-15

Some 2004-2006 TSX models may experience brake squeal after pad replacement due to improper pad seating or rotor surface condition.

2004-2006

Resolution: Ensure proper bedding-in of new brake pads and resurface or replace rotors if necessary. Clean brake components thoroughly.

Rear Brake Caliper Bolt Loosening

2007-11-20

A few 2007-2008 TSX models have had incidents of rear brake caliper bolts loosening over time. Verify torque regularly.

2007-2008

Resolution: Inspect rear caliper mounting bolts regularly for proper torque (17 ft-lbs) and apply a thread locker as a precaution. Replace bolts if damaged or stretched.

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.

Facebook Contact
15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

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.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

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.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 Acura Specs. All rights reserved.

Privacy Policy Terms of Service