Chrysler Concorde 1993-1997 Body Panel & Frame Bolt Torque Specifications
Chrysler Concorde 1993-1997

Chrysler Concorde 1993-1997 Body & Frame Bolt Torque Specifications

Detailed torque specifications for various body bolts on the first generation (1993-1997) Chrysler Concorde. Includes torque values in foot-pounds (ft-lbs) and Newton-meters (Nm).

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

Fuel System

Torque specifications for components related to the fuel system including the fuel tank and filler neck.

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Ensure straps are properly positioned before tightening. Torque evenly.
2

Fuel Filler Neck Bolts

M6 x 1.0
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Do not overtighten. Check for proper seal after installation.

Door System

Torque specifications for door hinges and latches, ensuring proper door function and alignment.

1

Door Hinge Bolts (Body Side)

M8 x 1.25
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Tighten evenly to ensure proper door alignment. Check door alignment after torquing.
2

Door Hinge Bolts (Door Side)

M8 x 1.25
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Tighten evenly to ensure proper door alignment. Check door alignment after torquing.
3

Door Latch Striker Bolts

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Adjust striker position as needed for proper door closure.

Body Panels

Torque specifications for various body panels including fenders, hood, and bumpers.

1

Fender Mounting Bolts

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Tighten evenly to ensure proper alignment. Check panel gaps after tightening.
2

Hood Hinge Bolts (Body Side)

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Ensure proper hood alignment and smooth operation. Check for proper opening and closing.
3

Hood Hinge Bolts (Hood Side)

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Ensure proper hood alignment and smooth operation. Check for proper opening and closing.
4

Hood Latch Bolts

M6 x 1.0
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Tighten to secure latch mechanism. Check for proper hood engagement and release.
5

Bumper Mounting Bolts (Front & Rear)

M10 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure proper alignment of the bumper. Tighten evenly.

Lighting And Grille

Torque specifications for headlight, taillight assemblies, and grille.

1

Headlight Assembly Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Do not overtighten. Check for proper alignment.
2

Taillight Assembly Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Do not overtighten. Check for proper seal.
3

Grille Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Do not overtighten. Ensure proper fit and alignment.

Interior Components

Torque specifications for dashboard, seats, seat belts, and interior panels.

1

Dashboard Mounting Bolts/Screws

M6 x 1.0
Torque Value
5.5 ft-lbs (7.5 N·m)
Important Notes
Do not overtighten to prevent damage. Ensure proper alignment and fit.
2

Seat Mounting Bolts

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Ensure seats are properly aligned and secure. Double-check torque values.
3

Seat Belt Mounting Bolts

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Critical for safety. Double-check torque values.
4

Rear Deck Panel Mounting Bolts/Screws

M6 x 1.0
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Do not overtighten. Ensure proper panel fit.

Chassis And Exterior

Torque specifications for components attached to the chassis or exterior, including inner fender liners, sunroofs, and mirrors.

1

Inner Fender Liner Bolts/Screws

M6 x 1.0
Torque Value
5.5 ft-lbs (7.5 N·m)
Important Notes
Ensure proper alignment. Do not overtighten plastic components.
2

Sunroof/Moonroof Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Tighten evenly to ensure a proper seal. Check for smooth operation.
3

Mirror Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Tighten evenly to ensure stability. Check for vibration.
4

Body Mounting Bolts

M12 x 1.75
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Tighten in a cross pattern. Consult the service manual for sequence.

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 specification important for body bolts?

Using the correct torque ensures proper clamping force, preventing components from loosening due to vibration or stress. Over-tightening can damage threads, strip bolts, or warp body panels. Under-tightening can lead to rattles, component shifting, or even failure. Correct torque ensures a safe and properly aligned body.

Q2

Can I reuse body bolts?

While some body bolts can be reused, it's generally recommended to replace critical or torque-to-yield bolts, especially after they've been loosened. Check the bolt for signs of damage, stretching, or thread wear. If there is rust or corrosion, it is recommended to always replace them. Refer to the service manual for specific recommendations.

Q3

Do I need any special tools to torque body bolts?

Yes, you will need a torque wrench to accurately tighten body bolts to the specified torque. An accurate and properly calibrated torque wrench is critical. Also, socket extensions may be needed for hard-to-reach bolts. Avoid using power tools for final tightening as they can easily overtighten the bolts. An inch-pound torque wrench is preferable for lower torque values.

Q4

How do I identify different body bolt locations?

Refer to the Chrysler Concorde's service manual or diagrams. Specific body bolts locations are grouped by the part of the body it connects and can also be identified by the bolt size and length. For example, fender bolts will be different than bumper support bolts. Many service manuals include diagrams of the parts with an identification for the bolt to be used and torqued.

Q5

What should I do if I strip a body bolt or nut?

If a bolt or nut is stripped, you may need to use a thread repair kit (e.g., Helicoil) to repair the threads in the body panel or use a nut extractor to remove it, followed by replacement. If you strip a bolt or nut inside the body, you may need to drill out the bolt, followed by a thread repair or replacement with a rivet nut.

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 specific torque to fasteners.

  • Adjustable torque range
  • Audible click or digital readout for torque indication
Learn more

Socket Set

Various sized sockets to fit the different bolt heads used in the body.

  • Metric sizes
  • Variety of drive sizes (e.g. 3/8", 1/2")
Learn more

Extensions and U-Joints

Used to reach fasteners in difficult or obstructed areas.

  • Multiple Lengths
  • Various Angles
Learn more
Service Procedures

Body Bolt Torque Specifications

Guideline for the tightening torque of various body panel and component bolts on 1993-1997 Chrysler Concorde.

  • Identify the bolt location and size.
  • Consult the appropriate torque specification chart or service manual.
  • Apply the specified torque using a calibrated torque wrench.
  • Double-check the torque if necessary or specified.
View full procedure

General Fastener Tightening Practices

General information on fastener tightening procedures.

  • Clean threads on bolts and nuts prior to install.
  • Hand-thread fasteners before using torque wrenches.
  • Tighten in a criss-cross pattern where applicable
  • Use appropriate lubricants if required
View full procedure
Technical Service Bulletins

Potential for Loose Fasteners Due to Factory Variation

1996-05-15

Some 1993-1996 model year vehicles may have body bolts that have loosened over time due to minor variation in factory tightening during assembly. This can lead to squeaks or rattles.

1993-1996 Chrysler Concorde

Resolution: Inspect and torque all body bolts in affected areas to specified values. If bolts are corroded, replace and re-torque.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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