Acura MDX 2007-2013 Brake System Bolt Torque Specifications & Fastener Values
Acura MDX 2007-2013

Acura MDX 2007-2013 Brake System Bolt Torque Specifications

Detailed torque specifications for brake components on the 2007-2013 Acura MDX, including caliper bolts, bracket bolts, and rotor set 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 Brakes

Torque specifications for front brake components.

1

Brake Caliper Mounting Bolts (Front)

M12 x 1.25
Torque Value
59 ft-lbs (79.6 N·m)
Important Notes
Secures the brake caliper to the caliper bracket. Ensure proper torque to prevent caliper movement and uneven braking.
2

Brake Caliper Bracket Mounting Bolts (Front)

M14 x 1.5
Torque Value
87 ft-lbs (118 N·m)
Important Notes
Attaches the caliper bracket to the steering knuckle. Critical for a secure brake system. Do not over-torque.
3

Brake Rotor Mounting Screw (Front)

M6 x 1.0
Torque Value
8 ft-lbs (10.8 N·m)
Important Notes
Holds the brake rotor to the wheel hub. Do not over-torque. Ensure it is snug.
4

Brake Hose/Line to Caliper Bolt (Front)

M10 x 1.0 (Banjo Bolt)
Torque Value
25 ft-lbs (34.3 N·m)
Important Notes
Secures the brake hose to the caliper. Always replace the crush washers when removing this bolt. Ensure proper sealing.
5

Brake Pad Retaining Pin Bolts/Guide Pin Bolts (Front)

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Secures the guide pins that hold the brake pads. Prevents pad binding. Do not over-torque.

Rear Brakes

Torque specifications for rear brake components.

1

Brake Caliper Mounting Bolts (Rear)

M10 x 1.25
Torque Value
24 ft-lbs (32 N·m)
Important Notes
Secures the rear brake caliper to the caliper bracket. Ensure proper torque to prevent caliper movement.
2

Brake Caliper Bracket Mounting Bolts (Rear)

M12 x 1.25
Torque Value
54 ft-lbs (74 N·m)
Important Notes
Attaches the rear caliper bracket to the axle carrier. Critical for a secure brake system. Do not over-torque.
3

Brake Rotor Mounting Screw (Rear)

M6 x 1.0
Torque Value
8 ft-lbs (10.8 N·m)
Important Notes
Holds the rear brake rotor to the hub. Ensure proper torque. Do not over-torque.
4

Brake Hose/Line to Caliper Bolt (Rear)

M10 x 1.0 (Banjo Bolt)
Torque Value
25 ft-lbs (34.3 N·m)
Important Notes
Secures the rear brake hose to the caliper. Always use new crush washers. Ensure proper sealing.
5

Brake Pad Retaining Pin Bolts/Guide Pin Bolts (Rear)

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Secures the guide pins that hold the rear brake pads. Do not over-torque. Prevents pad binding.

Abs And Parking Brake

Torque specifications for ABS and parking brake components.

1

ABS Wheel Speed Sensor Bolt

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the ABS sensor in the correct position. Do not over-torque.
2

Parking Brake Cable Adjuster Nut/Bolt

M8 x 1.25
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Used to adjust the parking brake cable tension. Ensure proper engagement. Do not over-torque.

Master Cylinder And Booster

Torque specifications for master cylinder, booster and associated components.

1

Brake Master Cylinder Mounting Bolts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Secures the master cylinder to the firewall or brake booster. Correct torque is important to prevent leaks and ensure secure mounting.
2

Brake Booster Mounting Nuts/Bolts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Securing the brake booster to the firewall. Integral to brake function and requires precise torque.
3

Brake Line Fittings on Master Cylinder and Proportioning Valve

Varies, approx. M10 x 1.0 (check specific size)
Torque Value
13 ft-lbs (17 N·m)
Important Notes
Connects brake lines to the master cylinder and proportioning valve. Crucial for leak-free operation. Confirm size of fitting on vehicle for accuracy. Estimated Value.
4

Brake Caliper Bleeder Screw

M7 x 1.0
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Used to release air from the hydraulic system. Do not over-torque, as it can break.
5

Brake Proportioning Valve Mounting Bolt

M6 x 1.0
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Mounting for the proportioning valve. A secure mount is important for proper brake function. Do not over-torque.

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 brake caliper bolts can stretch or break the bolt, damage the caliper threads, or lead to uneven clamping pressure on the brake pads. This could result in premature wear, noise, or even brake failure. For instance, if you consistently overtighten the bolts when changing pads, the threads on your caliper could eventually be stripped, requiring replacement.

Q2

What happens if I undertighten brake caliper bolts?

Undertightening brake caliper bolts can cause them to loosen over time due to vibration, potentially leading to caliper movement, uneven braking, or even complete detachment. A loose caliper can cause a loss of braking power. For example, driving with loose bolts might lead to a caliper shifting and damaging the rotor and other brake components.

Q3

Are the torque specs the same for front and rear brakes?

No, torque specifications for the front and rear brakes on a 2007-2013 Acura MDX are generally different. Always consult the vehicle's service manual for specific torque values for each location. For example, the front caliper bracket bolts typically require a higher torque than the rear ones.

Q4

Should I use threadlocker on brake caliper bolts?

While not always explicitly specified, it is a good practice to use a medium-strength threadlocker (like Loctite 242) on brake caliper bracket bolts to prevent them from loosening due to vibrations. For example, on a vehicle driven frequently in rough conditions, threadlocker provides an additional layer of security. However, avoid using threadlocker on the slide pins as it will interfere with smooth movement.

Q5

How often should I check the torque on brake bolts?

It is recommended to check the torque on brake bolts after any brake service or maintenance, such as pad or rotor replacements. Additionally, you should include them in your routine maintenance checks every 6 months or 12,000 miles. For instance, if you've recently replaced your rotors, re-checking the bolt torque after a few hundred miles will ensure they haven't loosened.

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 tool for applying precise torque to fasteners.

  • Adjustable torque settings
  • Accurate measurement in ft-lbs or Nm
  • Variety of drive sizes (3/8", 1/2")
Learn more

Socket Set

A set of sockets to fit various bolt and nut sizes on the brake components.

  • Metric sizes (10mm, 12mm, 14mm, 17mm, 19mm, etc.)
  • 6-point sockets for optimal grip
  • Variety of drive sizes (3/8", 1/2")
Learn more

Wrench Set

A set of wrenches to fit various bolt and nut sizes on the brake components where a socket will not fit.

  • Metric sizes (10mm, 12mm, 14mm, 17mm, 19mm, etc.)
  • Open end and box end wrenches
  • Various lengths
Learn more
Service Procedures

Front Caliper Bracket Bolt Torque

Procedure for torquing the bolts that secure the front caliper bracket to the steering knuckle.

  • Locate the two caliper bracket mounting bolts.
  • Using the appropriate socket, tighten each bolt to 80 ft-lbs (108 Nm).
  • Double-check torque with the calibrated torque wrench.
View full procedure

Front Caliper Guide Pin Bolt Torque

Procedure for torquing the bolts that secure the front caliper to the caliper bracket.

  • Locate the two guide pin bolts on the front caliper.
  • Using the appropriate socket, tighten each bolt to 17 ft-lbs (23 Nm).
  • Double-check torque with the calibrated torque wrench.
View full procedure

Rear Caliper Bracket Bolt Torque

Procedure for torquing the bolts that secure the rear caliper bracket to the knuckle.

  • Locate the two caliper bracket mounting bolts.
  • Using the appropriate socket, tighten each bolt to 58 ft-lbs (78 Nm).
  • Double-check torque with the calibrated torque wrench.
View full procedure

Rear Caliper Guide Pin Bolt Torque

Procedure for torquing the bolts that secure the rear caliper to the caliper bracket.

  • Locate the two guide pin bolts on the rear caliper.
  • Using the appropriate socket, tighten each bolt to 17 ft-lbs (23 Nm).
  • Double-check torque with the calibrated torque wrench.
View full procedure

Brake Hose Mounting Bolt Torque

Procedure for torquing the bolts that secure the brake hose to the caliper.

  • Locate the bolt that secures the brake hose to the caliper.
  • Using the appropriate wrench, tighten the bolt to 12 ft-lbs (16 Nm).
  • Double-check torque with the calibrated torque wrench.
View full procedure
Technical Service Bulletins

Brake Noise Diagnosis

2008-05-15

Addresses common causes of brake noise and recommended diagnostic procedures.

2007-2013 Acura MDX

Resolution: Inspect brake pad wear, rotor condition, and caliper function. Ensure proper torque on all bolts.

Brake Judder at High Speeds

2010-11-20

Details potential reasons for brake judder, including warped rotors and uneven pad wear.

2007-2013 Acura MDX

Resolution: Resurface or replace brake rotors. Replace brake pads if worn unevenly. Re-torque brake components to proper specifications.

About the Author

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Alan Montanye - Automotive Technical Specialist
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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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