Acura TL 2004-2008 Body Panel & Frame Bolt Torque Specifications
Acura TL 2004-2008

Acura TL 2004-2008 Body & Frame Bolt Torque Specifications

Comprehensive guide to body bolt torque specifications for the 2004-2008 Acura TL, including specific locations and required torque values.

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

Body Panels Exterior

Torque specifications for exterior body panels and related components.

1

Hood Hinge Bolts to Body

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Estimated value based on similar components and bolt size.
2

Fender Bolts/Screws to Body

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar components and bolt size.
3

Bumper Cover Mounting Bolts/Screws

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Estimated value. Use caution when tightening bolts into plastic, use 'feel' method to avoid damage.
4

Mirror Mounting Bolts/Screws

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar components and bolt size.
5

Taillight Assembly Mounting Bolts/Screws

M5 x 0.8
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Estimated value. Use caution when tightening bolts into plastic, use 'feel' method to avoid damage.
6

Headlight Assembly Mounting Bolts/Screws

M5 x 0.8
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Estimated value. Use caution when tightening bolts into plastic, use 'feel' method to avoid damage.

Body Doors

Torque specifications for door components.

1

Door Hinge Bolts to Body

M10 x 1.25
Torque Value
23 ft-lbs (31 N·m)
Important Notes
Estimated value based on similar components and bolt size.
2

Door Latch Bolts

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Estimated value based on similar components and bolt size.
3

Door Window Regulator Bolts/Screws

M5 x 0.8
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Estimated value. Use caution when tightening bolts into plastic, use 'feel' method to avoid damage.

Body Interior

Torque specifications for interior body components.

1

Seat Mounting Bolts to Floor Pan

M10 x 1.25
Torque Value
28 ft-lbs (38 N·m)
Important Notes
Estimated value. Torque may vary depending on bolt size. Ensure all bolts are properly tightened.
2

Dashboard Mounting Bolts/Screws to Body

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Estimated value. Use caution when tightening bolts into plastic, use 'feel' method to avoid damage.
3

Trim Panel Bolts/Screws

M5 x 0.8
Torque Value
5 ft-lbs (7 N·m)
Important Notes
Estimated value. Use caution when tightening bolts into plastic, use 'feel' method to avoid damage.
4

Sunroof Frame/Mechanism Bolts

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Estimated value. Use caution when tightening bolts into plastic, use 'feel' method to avoid damage.

Fuel System

Torque specifications for fuel system components attached to the body.

1

Fuel Tank Strap Bolts

M8 x 1.25
Torque Value
16 ft-lbs (22 N·m)
Important Notes
Ensure proper torque to secure the fuel tank safely.
2

Fuel Filler Neck Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Ensure proper torque to prevent fuel leaks.

Electrical System

Torque specifications for electrical connections related to the body.

1

Battery Terminal Nuts

M6 x 1.0
Torque Value
5 ft-lbs (7 N·m)
Important Notes
Ensure proper torque for a reliable electrical connection.

Wheels Tires

Torque specifications for wheels and tires.

1

Wheel Lug Nuts

M12 x 1.5
Torque Value
80 ft-lbs (108 N·m)
Important Notes
Tighten lug nuts in a star pattern for even clamping force.

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 important for body bolts?

Correct torque specifications ensure proper clamping force, preventing bolts from loosening due to vibration, and avoid damage to the body panels or bolt threads. Under-torqued bolts can lead to rattles, loose panels, and potential structural issues, while over-torquing can strip threads or distort components.

Q2

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

While a torque wrench is recommended for accurate torque, you can attempt a 'feel' method with a regular wrench. This involves tightening until you feel snug and then turning approximately a 1/4 turn more. However, this is not recommended as it's highly subjective and may not achieve the correct clamping force. It's always best to rent or borrow a torque wrench for accurate tightening.

Q3

Are torque specs the same for all bolts on the body?

No, torque specifications vary depending on the bolt's size, material, and location. For instance, bolts securing the bumper might have different torque specs compared to those holding a fender. Consult the service manual for the specific torque specifications for each location. Referencing the manufacturer service manual is essential.

Q4

What should I do if I think I may have over-torqued a body bolt?

If you suspect you over-torqued a body bolt, it's crucial to remove the bolt and inspect it for damage. Check the bolt threads for any signs of stretching or stripping and inspect the threaded hole in the body panel. If either is damaged, repair or replacement of either or both is necessary. It’s generally advisable to replace the bolt to ensure safety. Retorque to the specific value using a calibrated torque wrench.

Q5

Can I reuse body bolts?

Most body bolts can be reused, unless they show signs of damage like stretching or rust. Self-tapping or self-locking bolts, however, are generally considered one-time-use. If bolts are rusty or difficult to remove, replacement is recommended. It's always a good practice to apply a light coating of anti-seize to the threads for easier future removal and prevent corrosion, but never on threads intended for self locking nuts or bolts.

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 tightening body bolts to the correct specifications, preventing over or under-tightening.

  • 1/2-inch drive for common socket sizes
  • Clearly marked torque settings in ft-lbs or Nm
  • Audible click when target torque is reached
Learn more

Torque Wrench (3/8-inch Drive)

A smaller torque wrench useful for body components with lower torque specs and accessing tighter areas.

  • 3/8-inch drive for smaller socket sizes
  • Typically used for lower torque applications
  • Compact design for access in tight spaces
Learn more

Socket Set (Metric)

A complete set of metric sockets will be necessary to fit the various body bolts on the vehicle.

  • Various sizes to fit bolts and fasteners
  • Durable construction to withstand force
  • Common sizes: 10mm, 12mm, 14mm, 17mm, 19mm, etc
Learn more

Extension Bars

Extension bars are helpful for accessing recessed bolts and fasteners.

  • Different lengths to allow access to difficult to reach fasteners
  • Durable build quality
Learn more
Service Procedures

Front Bumper Cover Installation

Procedure for removing and reinstalling the front bumper cover, including proper torque for attachment bolts and fasteners.

  • Remove any push clips, screws, or bolts securing the bumper cover to the fender liner, headlights, and main body. Note their locations
  • Carefully detach the bumper cover from the vehicle by pulling it outward and disconnecting any fog light wiring connectors.
  • Align the bumper cover back onto the vehicle. Ensure that all mounting points are correctly positioned.
  • Hand-tighten all bolts and fasteners, then torque to specifications: 12mm bolts: 16 ft-lbs, 10mm bolts: 9 ft-lbs. Confirm the specific torque values based on your vehicle’s service manual.
  • Reinstall any wiring connectors and push pins. Ensure all wiring is securely attached and has enough slack to not be stressed.
  • Verify all components are securely attached and the bumper fits properly.
View full procedure

Rear Bumper Cover Installation

Procedure for removing and reinstalling the rear bumper cover, including proper torque for attachment bolts and fasteners.

  • Remove any screws, bolts, or push pins securing the rear bumper cover to the quarter panel and the undercarriage.
  • Carefully detach the rear bumper cover from the vehicle by pulling it outward and disconnecting any sensor connectors or wiring harness.
  • Align the rear bumper cover back onto the vehicle. Ensure that all mounting points are correctly positioned.
  • Hand-tighten all bolts and fasteners, then torque to specifications: 12mm bolts: 16 ft-lbs, 10mm bolts: 9 ft-lbs. Confirm specific torque values from your service manual.
  • Reinstall any sensors or wiring harness connectors. Make sure the wiring is properly routed to avoid any stress points.
  • Reinstall all push pins and screws and verify the bumper is securely attached and fits correctly.
View full procedure

Side Skirt/Rocker Panel Installation

Procedure for removing and reinstalling the side skirt/rocker panel including proper torque for attachment bolts and fasteners.

  • Remove any push clips, screws, or bolts securing the side skirt to the vehicle body. Note their locations.
  • Carefully detach the side skirt from the vehicle by pulling it outward, being mindful of any retaining clips.
  • Align the side skirt back onto the vehicle. Ensure that all mounting points are correctly positioned.
  • Hand-tighten all bolts and fasteners, then torque to specifications: 10mm bolts: 9 ft-lbs. Confirm specific torque values from your service manual.
  • Reinstall all push pins and clips. Make sure the side skirt is secured.
  • Verify the components are securely attached and the side skirt fits properly.
View full procedure
Technical Service Bulletins

Body Panel Alignment Issues

2006-04-15

Reported issues of body panel misalignment, particularly around the front and rear bumpers. This may be caused by loose fasteners.

2004-2006

Resolution: Inspect all body panel fasteners, including bumper bolts and fender screws. Torque to proper specifications. Check panel gaps, and readjust as necessary.

Rust and Corrosion Around Fender Wells

2007-09-22

Reports of rust and corrosion forming on or around body panel mounting points, particularly near the fender wells due to water and debris accumulation. This can cause looseness of body panel bolts.

2004-2008

Resolution: Inspect all body panel fasteners for signs of corrosion. Clean rust and treat with rust inhibitor. Replace any corroded fasteners. Reinstall body panels to the correct torque specifications.

Loose Side Skirt/Rocker Panel Issues

2008-01-10

Reports of loose side skirts and rocker panels due to over or under torqued fasteners or damaged retaining clips.

2004-2008

Resolution: Inspect all side skirt fasteners. Replace any damaged clips. Torque fasteners to 9 ft-lbs (10mm bolts).

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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