Acura TSX 2009-2014 Brake System Bolt Torque Specifications & Fastener Values
Acura TSX 2009-2014

Acura TSX 2009-2014 Brake System Bolt Torque Specifications

Detailed torque specifications for all brake system bolts on the 2009-2014 Acura TSX, including caliper bolts, bracket bolts, and rotor retaining screws.

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

Front Brake Caliper

Torque specifications for the front brake caliper and related components.

1

Brake Caliper Guide Pin Bolts

M10 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
These bolts secure the brake caliper to the caliper mounting bracket. Ensure threads are clean and lubricated before tightening. Use a calibrated torque wrench.
2

Brake Hose Banjo Bolt

M10 x 1.0
Torque Value
25 ft-lbs (34 N·m)
Important Notes
This bolt secures the brake hose to the caliper. Use new crush washers. Torque is critical to prevent leaks. Estimated value.
3

Brake Caliper Bleeder Valve

M7 x 1.0
Torque Value
7 ft-lbs (9 N·m)
Important Notes
Torque is critical to ensure proper sealing without damaging the valve. Do not over-tighten. Estimated value.

Front Brake Caliper Bracket

Torque specifications for the front brake caliper mounting bracket.

1

Brake Caliper Mounting Bracket Bolts

M12 x 1.25
Torque Value
80 ft-lbs (108 N·m)
Important Notes
These bolts attach the caliper mounting bracket to the steering knuckle. Ensure threads are clean and use a calibrated torque wrench.

Front Brake Rotor

Torque specifications for the front brake rotor.

1

Brake Disc/Rotor Retaining Bolt

M6 x 1.0
Torque Value
8.7 ft-lbs (12 N·m)
Important Notes
These bolts hold the brake disc to the hub during assembly. They are not load-bearing. Ensure proper seating. Do not over tighten.

Wheel Mounting

Torque specifications for wheel mounting.

1

Wheel Lug Nuts

M12 x 1.5
Torque Value
80 ft-lbs (108 N·m)
Important Notes
These nuts secure the wheel and brake rotor/drum to the hub. Use a calibrated torque wrench and follow the recommended torque sequence.

Abs System

Torque specifications for ABS system components related to the brakes.

1

ABS Wheel Speed Sensor Bolt

M6 x 1.0
Torque Value
8.7 ft-lbs (12 N·m)
Important Notes
This bolt secures the ABS wheel speed sensor. Do not over-tighten. Ensure proper seating. Estimated value.

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 happens if I overtighten brake caliper bolts?

Overtightening caliper bolts can stretch or damage the threads on the caliper or mounting bracket. This can lead to bolt failure, caliper misalignment, and ultimately brake failure. For example, if you over-torque the guide pin bolts, they can bind, causing the caliper to not float freely. You should always use a torque wrench set to the proper specification.

Q2

Can I reuse brake caliper bolts?

It's generally recommended to replace critical brake hardware, including caliper bolts, each time the brakes are serviced. These bolts can stretch or fatigue over time and repeated use. Reusing them increases the risk of failure or improper torque application. While some sources will say you can reuse them if they aren't visibly damaged, the manufacturer's recommendation is replacement.

Q3

What torque wrench should I use for brake work?

A 3/8" drive torque wrench is generally sufficient for most brake components on a 2009-2014 Acura TSX. It should have a range that covers the torque specifications for the caliper bracket bolts (typically higher) and the caliper guide pin bolts (lower). For instance, the caliper bracket bolts require a higher torque specification than the guide pin bolts, so ensure the wrench is accurate within the required ranges. Always double check the torque range of your wrench and match it to the job at hand.

Q4

Do I need to use thread locker on brake bolts?

Thread locker, like Loctite, is not typically required for most brake bolts on the 2009-2014 Acura TSX. However, some manufacturers recommend it, particularly on the caliper bracket bolts. Refer to your vehicle's service manual or dealership information for the most accurate information. If using a thread locker, apply only a small amount and ensure the correct type is used (typically blue medium-strength). Do not use a high-strength thread locker.

Q5

What are the torque specifications for the caliper bracket and guide pin bolts?

For the 2009-2014 Acura TSX, the front caliper bracket bolts are typically torqued to 80 ft-lbs and the rear to 40 ft-lbs. The front and rear caliper guide pin bolts are typically torqued to 17 ft-lbs for both. Always consult your vehicle's service manual or repair database for the most up-to-date and accurate specifications.

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

A calibrated torque wrench is essential for tightening bolts to the correct specifications, preventing damage or failure.

  • Adjustable torque settings
  • Accurate measurement
Learn more

Socket Set

A comprehensive socket set is required for removing and installing various bolts and nuts in the brake system.

  • Metric socket sizes
  • Variety of depths
Learn more

Wrench Set

A standard wrench set may be needed for certain brake components where sockets cannot easily reach.

  • Metric wrench sizes
  • Open-ended and box-end options
Learn more
Service Procedures

Front Caliper Bracket Bolt Torque

This procedure details the steps for properly torquing the front caliper bracket bolts.

  • Locate the front caliper bracket bolts (usually two per caliper).
  • Use the correct socket size on your torque wrench.
  • Tighten the bolts to 80 lb-ft (108 Nm).
  • Ensure the torque wrench clicks or indicates when the proper torque is reached.
View full procedure

Front Caliper Pin Bolt Torque

This procedure details the steps for properly torquing the front caliper pin bolts.

  • Locate the front caliper pin bolts (usually two per caliper).
  • Use the correct socket or wrench size on your torque wrench.
  • Tighten the bolts to 17 lb-ft (23 Nm).
  • Ensure the torque wrench clicks or indicates when the proper torque is reached.
View full procedure

Rear Caliper Bracket Bolt Torque

This procedure details the steps for properly torquing the rear caliper bracket bolts.

  • Locate the rear caliper bracket bolts (usually two per caliper).
  • Use the correct socket size on your torque wrench.
  • Tighten the bolts to 47 lb-ft (64 Nm).
  • Ensure the torque wrench clicks or indicates when the proper torque is reached.
View full procedure

Rear Caliper Pin Bolt Torque

This procedure details the steps for properly torquing the rear caliper pin bolts.

  • Locate the rear caliper pin bolts (usually two per caliper).
  • Use the correct socket or wrench size on your torque wrench.
  • Tighten the bolts to 17 lb-ft (23 Nm).
  • Ensure the torque wrench clicks or indicates when the proper torque is reached.
View full procedure

Brake Rotor Retaining Screw Torque

This procedure details the steps for properly torquing the brake rotor retaining screw.

  • Locate the brake rotor retaining screw.
  • Use the correct socket size on your torque wrench.
  • Tighten the screw to 7 lb-ft (9.8 Nm).
  • Ensure the torque wrench clicks or indicates when the proper torque is reached.
View full procedure
Technical Service Bulletins

Brake Caliper Bolt Corrosion

2012-05-15

Some 2009-2014 TSX models have exhibited premature corrosion on brake caliper bolts, potentially affecting torque readings and brake performance.

2009-2014

Resolution: Inspect all caliper bolts for corrosion. Replace corroded bolts and apply anti-seize lubricant to threads during installation. Always use specified torque values.

Rear Brake Caliper Bracket Bolt Loosening

2013-01-20

Reports of rear caliper bracket bolts loosening after servicing have been noted on certain 2011-2013 TSX models.

2011-2013

Resolution: Ensure the mating surfaces of the caliper bracket and vehicle are clean and free of debris before installation. Always use a calibrated torque wrench to tighten bolts to the specified torque and verify the tightness after a short test drive.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

Automotive Technical Specialist

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