Acura TL 2009-2014 Suspension Bolt Torque Specifications & Fastener Values
Acura TL 2009-2014

Acura TL 2009-2014 Suspension Bolt Torque Specifications

Detailed torque specifications for all suspension bolts on the 2009-2014 Acura TL, including front and rear suspension components. Includes bolt size and torque values in foot-pounds.

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 Suspension

Torque specifications for front suspension components of a 2009-2014 Acura TL.

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.25
Torque Value
33 ft-lbs (45 N·m)
Important Notes
Secures the strut/shock assembly to the chassis. Ensure proper seating before tightening.
2

Control Arm Bolts

M14 x 1.5
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Attaches the control arm to the vehicle frame or subframe. Proper torque is essential for suspension geometry.
3

Ball Joint Nut

M14 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Secures the ball joint to the steering knuckle or control arm. Avoid over-tightening.
4

Front Lower Ball Joint Pinch Bolt

M10 x 1.25
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Secures the lower ball joint to the steering knuckle. Avoid over-tightening.
5

Tie Rod End Nut

M12 x 1.25
Torque Value
36 ft-lbs (49 N·m)
Important Notes
Attaches the tie rod end to the steering knuckle. Ensure proper seating.
6

Steering Knuckle to Strut Bolts

M12 x 1.25
Torque Value
47 ft-lbs (64 N·m)
Important Notes
Attaches the strut to the steering knuckle. Ensure proper seating.
7

Sway Bar Link Nut

M10 x 1.25
Torque Value
36 ft-lbs (49 N·m)
Important Notes
Connects the sway bar to the strut or control arm. Ensure proper alignment.

Front Subframe

Torque specifications for front subframe components of a 2009-2014 Acura TL.

1

Front Subframe Bolts

M14 x 1.5
Important Notes
Secures the front subframe to the vehicle body. Use new bolts if specified. Angle torque is important

Rear Suspension

Torque specifications for rear suspension components of a 2009-2014 Acura TL.

1

Rear Trailing Arm Bolt (Front)

M14 x 1.5
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Secures the front of the trailing arm to the chassis. Ensure proper alignment.
2

Rear Trailing Arm Bolt (Rear)

M12 x 1.25
Torque Value
65 ft-lbs (88 N·m)
Important Notes
Secures the rear of the trailing arm to the chassis. Ensure proper alignment.
3

Rear Upper Control Arm Bolt

M12 x 1.25
Torque Value
54 ft-lbs (73 N·m)
Important Notes
Secures the upper control arm to the chassis. Critical for camber adjustment. Ensure bushings are not binding
4

Rear Lower Control Arm Bolt

M14 x 1.5
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Secures the lower control arm to the chassis. Ensure bushings are not binding

Rear Subframe

Torque specifications for rear subframe components of a 2009-2014 Acura TL.

1

Rear Subframe Bolts

M14 x 1.5
Important Notes
Secures the rear subframe to the vehicle body. Use new bolts if specified. Angle torque is important

Sway Bar

Torque specifications for sway bar components of a 2009-2014 Acura TL.

1

Stabilizer Bar Bracket Bolts

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Secures the sway bar brackets to the chassis. Ensure proper seating.

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 is using the correct torque important for suspension bolts?

Using the correct torque specification ensures proper clamping force, preventing bolts from loosening over time and maintaining the structural integrity of the suspension. Under-torquing can lead to components shifting or falling out, while over-torquing can damage threads or cause bolts to stretch and weaken, also leading to failure.

Q2

What happens if I overtighten a suspension bolt?

Overtightening suspension bolts can damage the bolt itself (stretching or breaking it), deform the components it's clamping together, and damage the threads in the receiving component. This can lead to premature failure of the suspension, increased wear, and potentially dangerous situations while driving.

Q3

Can I reuse old suspension bolts?

It is generally recommended to replace suspension bolts, especially those that are torque-to-yield (TTY) bolts, which are designed to stretch slightly upon tightening. Reusing TTY bolts can lead to improper clamping force and failure. Even non-TTY bolts may have been compromised during use and should be inspected and replaced when in doubt.

Q4

Do I need to use thread locker on suspension bolts?

While some suspension bolts come with a pre-applied thread locker, applying a small amount of medium-strength thread locker (like Loctite 242 or equivalent) to bolts is often recommended to prevent them from loosening due to vibration. Always refer to your vehicle's service manual for specific instructions.

Q5

What type of torque wrench should I use for suspension work?

It's best to use a quality, calibrated torque wrench. A click-type wrench is recommended for most users because it provides tactile and audible feedback when the set torque is reached. Always ensure your torque wrench is within its calibration period for accurate readings.

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 used to apply a specific amount of torque to a fastener.

  • Click-type mechanism for accurate torque application
  • Variety of drive sizes (1/2", 3/8", etc.)
  • Range should cover suspension torque specifications (typically 10-150 ft-lbs)
Learn more

Socket Set

A collection of sockets in various sizes to fit different fasteners on the suspension.

  • Metric sizes specific to Acura vehicles
  • Deep and standard sockets
  • Impact-rated sockets are recommended for some applications
Learn more

Wrench Set

A collection of wrenches in various sizes to grip fasteners.

  • Metric sizes specific to Acura vehicles
  • Open-end and box-end wrenches
  • Combination wrenches
Learn more

Jack and Jack Stands

Used to safely lift and support the vehicle.

  • Adequate weight capacity for the vehicle
  • Sturdy construction
  • Proper placement points on the vehicle
Learn more

Pry Bar

Useful for aligning components or applying leverage

  • Durable construction
  • Various lengths for different applications
  • Rounded end for easy insertion
Learn more
Service Procedures

Front Upper Control Arm Bolt Torque

Procedure to torque the upper control arm bolts to manufacturer specification.

  • Position the vehicle on a level surface and engage the parking brake.
  • Loosen, but do not remove, the wheel lug nuts.
  • Raise the vehicle with a jack and place it securely on jack stands.
  • Remove the wheel.
  • Locate the upper control arm bolts (generally two)
  • Using the appropriate socket and torque wrench, torque the upper control arm bolts to 54 ft-lbs. (73 Nm)
  • Reinstall the wheel and lower the vehicle.
  • Torque the lug nuts to the specified value.
View full procedure

Front Lower Control Arm Bolt Torque

Procedure to torque the lower control arm bolts to manufacturer specification.

  • Position the vehicle on a level surface and engage the parking brake.
  • Loosen, but do not remove, the wheel lug nuts.
  • Raise the vehicle with a jack and place it securely on jack stands.
  • Remove the wheel.
  • Locate the lower control arm bolts (typically two at the frame and one at the knuckle).
  • Using the appropriate socket and torque wrench, torque the lower control arm frame bolts to 72 ft-lbs (98 Nm)
  • Torque the lower control arm knuckle bolt to 80 ft-lbs (108 Nm)
  • Reinstall the wheel and lower the vehicle.
  • Torque the lug nuts to the specified value.
View full procedure

Front Stabilizer Bar Link Torque

Procedure to torque the stabilizer bar link bolts to manufacturer specification.

  • Position the vehicle on a level surface and engage the parking brake.
  • Loosen, but do not remove, the wheel lug nuts.
  • Raise the vehicle with a jack and place it securely on jack stands.
  • Remove the wheel.
  • Locate the stabilizer bar link bolts (top and bottom).
  • Using the appropriate socket and torque wrench, torque the stabilizer bar link bolts to 40 ft-lbs (54 Nm)
  • Reinstall the wheel and lower the vehicle.
  • Torque the lug nuts to the specified value.
View full procedure

Rear Upper Control Arm Bolt Torque

Procedure to torque the rear upper control arm bolts to manufacturer specification.

  • Position the vehicle on a level surface and engage the parking brake.
  • Loosen, but do not remove, the wheel lug nuts.
  • Raise the vehicle with a jack and place it securely on jack stands.
  • Remove the wheel.
  • Locate the rear upper control arm bolts (generally two).
  • Using the appropriate socket and torque wrench, torque the rear upper control arm bolts to 54 ft-lbs (73 Nm)
  • Reinstall the wheel and lower the vehicle.
  • Torque the lug nuts to the specified value.
View full procedure

Rear Lower Control Arm Bolt Torque

Procedure to torque the rear lower control arm bolts to manufacturer specification.

  • Position the vehicle on a level surface and engage the parking brake.
  • Loosen, but do not remove, the wheel lug nuts.
  • Raise the vehicle with a jack and place it securely on jack stands.
  • Remove the wheel.
  • Locate the rear lower control arm bolts (typically two at the frame and one at the knuckle).
  • Using the appropriate socket and torque wrench, torque the lower control arm frame bolts to 72 ft-lbs (98 Nm)
  • Torque the lower control arm knuckle bolt to 80 ft-lbs (108 Nm)
  • Reinstall the wheel and lower the vehicle.
  • Torque the lug nuts to the specified value.
View full procedure

Rear Stabilizer Bar Link Torque

Procedure to torque the stabilizer bar link bolts to manufacturer specification.

  • Position the vehicle on a level surface and engage the parking brake.
  • Loosen, but do not remove, the wheel lug nuts.
  • Raise the vehicle with a jack and place it securely on jack stands.
  • Remove the wheel.
  • Locate the stabilizer bar link bolts (top and bottom).
  • Using the appropriate socket and torque wrench, torque the stabilizer bar link bolts to 40 ft-lbs (54 Nm)
  • Reinstall the wheel and lower the vehicle.
  • Torque the lug nuts to the specified value.
View full procedure
Technical Service Bulletins

Rear Suspension Knocking Noise

2012-05-15

A knocking noise may be present in the rear suspension during normal driving. It may be caused by loose or worn rear suspension components.

2009-2014

Resolution: Inspect all rear suspension components including links and bushings. Replace any worn or damaged parts. Ensure all bolts are torqued to the manufacturer's specifications.

Front Suspension Squeaking Noise

2013-11-20

A squeaking noise may be present in the front suspension during normal driving. It may be caused by dry or worn bushings or loose bolts.

2009-2014

Resolution: Inspect all front suspension components. Lubricate bushings where applicable, replace any worn bushings, and ensure all bolts are torqued to manufacturer's specifications.

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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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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