Chrysler Concorde 1998-2004 Body Panel & Frame Bolt Torque Specifications
Chrysler Concorde 1998-2004

Chrysler Concorde 1998-2004 Body & Frame Bolt Torque Specifications

Detailed torque specifications for various body bolts on the 1998-2004 Chrysler Concorde, including fenders, doors, hood, and trunk. Provides proper tightening values for vehicle repair and maintenance.

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

Wheels And Tires

Torque specifications for components related to the vehicle's wheels and tires. Proper torque is essential for safe operation.

1

Wheel Lug Nuts

M12 x 1.5
Torque Value
100 ft-lbs (136 N·m)
Important Notes
Ensure wheels are properly seated against the hub before tightening. Tighten in a star pattern.

Fuel System

Torque specifications for components related to the vehicle's fuel system, including the tank and filler neck. Proper torque is crucial for preventing leaks and ensuring safety.

1

Fuel Tank Strap Bolts

M10 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure the fuel tank is properly positioned before tightening the straps.
2

Fuel Filler Neck Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure proper alignment of the filler neck with the body panel.

Body Panels

Torque specifications for body panel components such as hood, fenders, and doors. Proper torque is necessary for panel alignment and structural integrity.

1

Hood Hinge Bolts

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Ensure proper hood alignment during installation. Torque is an estimated average.
2

Fender Bolts (Front & Rear)

M6 x 1.0
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Tighten bolts evenly to ensure a flush fit. Torque is an estimated average.
3

Door Hinge Bolts

M10 x 1.5
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Check door alignment after tightening.

Door Components

Torque specifications for door latch and related hardware. Proper torque is crucial for smooth operation and security.

1

Door Latch Bolts

M8 x 1.25
Torque Value
11 ft-lbs (15 N·m)
Important Notes
Check latch operation after tightening. Torque is an estimated average.

Bumpers

Torque specifications for front and rear bumper mounting. Proper torque ensures bumpers are securely attached for impact protection.

1

Bumper Mounting Bolts (Front & Rear)

M10 x 1.5
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Ensure proper alignment of the bumper with the vehicle body. Torque is an estimated average.

Lighting

Torque specifications for headlight and taillight housing mounting. Proper torque prevents vibration and ensures correct alignment.

1

Headlight Housing Mounting Bolts

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Do not over-tighten the bolts, which can crack the housing. Torque is an estimated average.
2

Taillight Housing Mounting Bolts

M6 x 1.0
Torque Value
8 ft-lbs (11 N·m)
Important Notes
Do not over-tighten the bolts, which can crack the housing. Torque is an estimated average.

Grille

Torque specifications for the front grille mounting bolts. Proper torque prevents damage and ensures correct alignment.

1

Grille Mounting Bolts

M5 x 0.8
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Do not over-tighten the bolts, which can crack the plastic grille. Torque is an estimated average.

Interior

Torque specifications for interior components such as seats and trim panels. Correct torque is critical for safety and secure fitment.

1

Seat Mounting Bolts

M10 x 1.5
Torque Value
33 ft-lbs (45 N·m)
Important Notes
Tighten all seat mounting bolts evenly and securely. Torque is an estimated average.
2

Interior Trim Panel Bolts/Screws

M4 x 0.7
Torque Value
5.8 ft-lbs (8 N·m)
Important Notes
Do not over-tighten plastic trim mounting bolts. Torque is an estimated average.

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 it important to use the correct torque specification for body bolts?

Using the correct torque specification ensures proper clamping force. Under-tightening can lead to components loosening over time, causing rattles, misalignments, and potential safety issues. Over-tightening can damage the bolt, threads, or the body panel itself, leading to weakened connections and expensive repairs. For example, over-tightening a door hinge bolt could crack the mounting point, requiring bodywork.

Q2

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

While it is strongly recommended to use a torque wrench for accurate tightening, in a pinch, you can tighten bolts with a standard wrench, applying what feels like a firm pressure. However, this method is highly prone to error and should only be used as a temporary measure until proper tools are available. For critical body components, it's crucial to verify proper torque with a torque wrench to ensure safety and prevent future issues. Imagine trying to 'feel' a 15 lb-ft torque - it's nearly impossible with consistency!

Q3

Should I use threadlocker on body bolts?

Generally, threadlocker isn't needed for most body bolts, especially those directly attaching panels or trim pieces. The correct torque combined with the proper bolt and washer are generally adequate to maintain security. However, some specific areas like door hinges that may experience a lot of vibration can benefit from a medium-strength threadlocker if you want added security. However, do NOT use threadlocker on bolts that thread directly into aluminum body panels or trim to prevent potential damage.

Q4

How often should I check my body bolt torques?

For most vehicles, you don't need to check body bolt torque regularly unless you've recently disassembled and reassembled body components. However, after major repairs, such as accident repair, or if you notice unusual noises or panel misalignments, it's a good practice to check the relevant body bolt torques to prevent future issues. Consider a car that's been through a minor accident - body panel bolts may be loose or compromised. After the repair, you should check the related torques to be sure.

Q5

Are all body bolt torque specifications the same on a 1998-2004 Chrysler Concorde?

No, torque specifications vary depending on the bolt size, location, and what component it is securing. For example, bolts securing the bumper cover have different torque values from bolts securing door hinges. Consult a repair manual or database specific to the 1998-2004 Chrysler Concorde for accurate torque values for each specific bolt.

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

  • Adjustable torque settings
  • Accurate readings
  • Various drive sizes (e.g., 1/4", 3/8", 1/2")
Learn more

Socket Set

A collection of sockets of various sizes to fit different bolt heads.

  • Standard and metric sizes
  • Various drive sizes
  • Deep and shallow sockets
Learn more

Wrench Set

A set of wrenches to hold fasteners from turning while tightening other fasteners or reaching fasteners with limited socket access.

  • Standard and metric sizes
  • Open-end and box-end combinations
Learn more

Extension Bars

Used to extend the reach of a socket to access fasteners in tight spaces.

  • Various lengths
  • Different drive sizes
Learn more
Service Procedures

Body Bolt Torque Specifications

This procedure outlines the general steps to properly torque body bolts on a 1998-2004 Chrysler Concorde. Always consult the vehicle's repair manual for specific locations and torque values. Note: These are approximate torque specs and specific locations will differ. Consult vehicle specific repair guide for correct torques.

  • Locate the specific body bolt you need to tighten.
  • Consult a repair manual or torque specification guide for the correct torque value for that bolt (usually measured in foot-pounds or Newton-meters).
  • Attach the correct size socket to your torque wrench.
  • Set the torque wrench to the specified torque value.
  • Carefully place the socket onto the bolt head.
  • Tighten the bolt smoothly and evenly until the torque wrench clicks or signals that the correct torque has been achieved.
  • If applicable and specified in the guide, some fasteners are tightened in a series of steps. Follow this pattern to avoid warpage of the surrounding body parts.
  • Double check the torque setting if the fastener is difficult to reach or is suspected to have been missed.
  • Do not overtighten, or the bolt and surrounding part can be damaged.
View full procedure
Technical Service Bulletins

Common Bolt Location and Torque Guidance

2003-02-14

Provides information regarding commonly removed or loosened fasteners when performing collision or panel work. Always refer to the specific repair guide for all locations.

1998-2004 Chrysler Concorde

Resolution: Consult vehicle specific guide for exact torques. Generally body panel and components use M6, M8, and M10 bolts. M6 fasteners use about 8-10 ft-lbs, M8 bolts 15-20 ft-lbs, and M10 fasteners 25-35 ft-lbs depending on application. Larger bolts will be located in chassis or safety related components. Refer to service guide for specific torques.

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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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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