Chrysler Voyager 1984-1990

Chrysler Voyager 1984-1990 Body & Frame Bolt Torque Specifications

Detailed torque specifications for body bolts on the 1984-1990 Chrysler Voyager, including specific locations and tightening sequences where applicable. This guide provides the necessary information for proper body panel installation and repair.

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

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Torque Calculator

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Hood System

This section covers the torque specifications for the hood and its related components, including hinges and latch mechanisms. Proper torque is essential for smooth hood operation and safety.

1

Hood Hinge Bolts (Body Side)

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Torque these bolts evenly to ensure proper hinge alignment. Value estimated based on similar Chrysler models.
2

Hood Hinge Bolts (Hood Side)

M6 x 1.0
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Ensure the hood is aligned properly before final tightening. Value estimated based on similar Chrysler models.
3

Hood Latch Mounting Bolts

M6 x 1.0
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Ensure the latch operates smoothly after tightening. Value estimated based on similar Chrysler models.

Fender System

This section provides torque specifications for mounting the fenders to the vehicle body. Proper torque is crucial for preventing vibration and ensuring panel alignment.

1

Fender Mounting Bolts (Front)

M8 x 1.25
Torque Value
18 ft-lbs (24 N·m)
Important Notes
Smaller bolts on inner fender may only require 10-15 ft-lbs. Value estimated based on similar Chrysler models.
2

Fender Mounting Bolts (Rear)

M6 x 1.0
Torque Value
12 ft-lbs (16 N·m)
Important Notes
Use care not to bend the panel. Value estimated based on similar Chrysler models.

Bumper System

This section covers the torque specifications for the front and rear bumper mounting bolts. These bolts are crucial for safety and impact protection.

1

Bumper Mounting Bolts (Front)

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Ensure bolts are properly engaged to the frame or unibody. Value estimated based on similar Chrysler models.
2

Bumper Mounting Bolts (Rear)

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Ensure bolts are properly engaged to the frame or unibody. Value estimated based on similar Chrysler models.

Door System

This section outlines torque specifications for door hinges, latch strikers, and latch mechanisms. Proper torque is vital for door alignment and safe operation.

1

Door Hinge Bolts (Body Side)

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Torque these bolts evenly to prevent door sag. Value estimated based on similar Chrysler models.
2

Door Hinge Bolts (Door Side)

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure door is aligned before tightening these bolts. Value estimated based on similar Chrysler models.
3

Door Latch Striker Bolts

M8 x 1.25
Torque Value
24 ft-lbs (33 N·m)
Important Notes
Adjust striker position for proper door closing. Value estimated based on similar Chrysler models.
4

Door Latch Mechanism Mounting Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Ensure the latch operates smoothly after tightening. Value estimated based on similar Chrysler models.

Liftgate System

This section details torque specifications for the liftgate/tailgate hinges, latch strikers, and mechanisms. Correct torque is essential for proper operation and safety.

1

Tailgate/Liftgate Hinge Bolts (Body Side)

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Tighten these bolts evenly for proper liftgate/tailgate alignment. Value estimated based on similar Chrysler models.
2

Tailgate/Liftgate Hinge Bolts (Liftgate Side)

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure the liftgate/tailgate is aligned before tightening. Value estimated based on similar Chrysler models.
3

Tailgate/Liftgate Latch Striker Bolts

M8 x 1.25
Torque Value
24 ft-lbs (33 N·m)
Important Notes
Adjust striker position for proper liftgate/tailgate closing. Value estimated based on similar Chrysler models.
4

Tailgate/Liftgate Latch Mechanism Mounting Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Ensure the latch operates smoothly after tightening. Value estimated based on similar Chrysler models.

Seat System

This section covers torque specifications for front and rear seat mounting bolts, which are critical safety components.

1

Seat Mounting Bolts (Front)

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Use new bolts if possible. Safety-critical fastener. Value estimated based on similar Chrysler models.
2

Seat Mounting Bolts (Rear)

M10 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Use new bolts if possible. Safety-critical fastener. Value estimated based on similar Chrysler models.

Seatbelt System

This section covers torque specifications for seatbelt anchor bolts, which are extremely critical safety components.

1

Seatbelt Anchor Bolts

M12 x 1.75
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Use new bolts if possible. This is a safety critical fastener. Value estimated based on similar Chrysler models.

Trim System

This section covers torque specifications for interior trim panel bolts and screws. These are generally lower torque values.

1

Interior Trim Panel Bolts/Screws

M5 x 0.8
Torque Value
7 ft-lbs (9.5 N·m)
Important Notes
Tighten carefully to avoid damaging plastic trim. Value estimated based on industry standards for interior trim fasteners.

Mirror System

This section covers torque specifications for side view mirror mounting bolts. Proper torque is needed to keep the mirrors secure without damage.

1

Side View Mirror Mounting Bolts

M6 x 1.0
Torque Value
10 ft-lbs (14 N·m)
Important Notes
Use care not to strip the threads. Value estimated based on industry standards for mirror mounting.

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 specifications for body bolts?

Using the correct torque specifications for body bolts is crucial for several reasons. Overtightening can damage the bolt, the threads in the body, or even distort body panels, leading to misalignment or weakness. Undertightening can cause bolts to loosen over time due to vibration, resulting in rattles, squeaks, or potentially dangerous detachment of components. Correct torque ensures proper clamping force and maintains structural integrity.

Q2

What happens if I overtighten a body bolt?

Overtightening a body bolt can lead to several problems. Firstly, it can strip the threads in the nut or the body panel, requiring costly repairs. Secondly, it can damage the bolt itself, causing it to stretch or even break, weakening the structural integrity. Additionally, overtightening can distort panels causing misalignment issues and potential stress fractures. Imagine overtightening a bolt securing a fender; this could lead to warping and gaps around the headlight. Always use a torque wrench to avoid these issues.

Q3

What happens if I undertighten a body bolt?

Undertightening a body bolt can be just as problematic as overtightening. When bolts are not tightened sufficiently, they can vibrate loose over time, leading to rattles, squeaks, and potential panel separation. This can be especially dangerous for bolts holding critical components like bumpers, brackets, or supports. For example, an improperly tightened bumper bolt could cause it to detach at highway speeds, creating a hazardous situation. Using the specified torque ensures that the bolts remain securely fastened during operation.

Q4

Do I need to use thread locker on body bolts?

While not always necessary, using a thread locker, such as a medium-strength (blue) threadlocker, can be beneficial, particularly on bolts that are subject to vibration or are difficult to access and retighten. It helps prevent loosening over time. This is especially useful on components that often experience vibration, such as door hinges or hood latches, increasing the vehicle's longevity. Always check the vehicle's repair manual for specific recommendations.

Q5

Can I reuse body bolts, or should I replace them every time?

Generally, body bolts can be reused if they are in good condition, meaning they aren’t stretched, damaged or corroded. Always inspect bolts for signs of damage, especially if they were overtightened in the past. If there is any question about the integrity of the bolt, it should be replaced. If a bolt shows any signs of stripping or corrosion, replacing the bolt will ensure the body system remains safe and secured.

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" Drive)

A calibrated torque wrench is essential for accurate bolt tightening.

  • 1/2 inch drive size
  • Click-type or digital readout
  • Adjustable torque range relevant for automotive applications
Learn more

Torque Wrench (3/8" Drive)

A calibrated torque wrench is useful for smaller fasteners.

  • 3/8 inch drive size
  • Click-type or digital readout
  • Adjustable torque range relevant for smaller automotive applications
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets is needed to fit various bolt head sizes.

  • Variety of sizes (e.g., 8mm to 19mm)
  • 6-point design for secure grip
  • Both standard and deep well sockets recommended
Learn more

Socket Extensions

Extensions are used to reach bolts in recessed or hard-to-reach areas.

  • Various lengths (e.g., 3", 6", 10")
  • Durable construction for torque application
  • Can be used in conjunction with swivel joints
Learn more

Swivel Joint

A swivel joint enables access to bolts at an angle.

  • 1/2" or 3/8" drive to match torque wrenches
  • Allows flexible socket positioning
  • Durable construction
Learn more
Service Procedures

Front Bumper Cover Bolt Torque Procedure

This procedure details the proper torque application for the bolts securing the front bumper cover.

  • Identify all bolts securing the front bumper cover to the body and frame.
  • Using the appropriate socket, loosen all bolts prior to removal.
  • Clean the threads of bolts and mating surfaces if necessary.
  • Install the bolts by hand.
  • Using a 1/2" drive torque wrench, torque bolts to 12-15 ft-lbs (16-20 Nm).
  • Verify the final torque value on all fasteners with your torque wrench.
View full procedure

Rear Bumper Cover Bolt Torque Procedure

This procedure details the proper torque application for the bolts securing the rear bumper cover.

  • Identify all bolts securing the rear bumper cover to the body and frame.
  • Using the appropriate socket, loosen all bolts prior to removal.
  • Clean the threads of bolts and mating surfaces if necessary.
  • Install the bolts by hand.
  • Using a 1/2" drive torque wrench, torque bolts to 12-15 ft-lbs (16-20 Nm).
  • Verify the final torque value on all fasteners with your torque wrench.
View full procedure

Fender Bolt Torque Procedure

This procedure details the proper torque application for the bolts securing the fenders to the body.

  • Identify all bolts securing the fenders to the body.
  • Using the appropriate socket, loosen all bolts prior to removal.
  • Clean the threads of bolts and mating surfaces if necessary.
  • Install the bolts by hand.
  • Using a 3/8" drive torque wrench, torque bolts to 8-10 ft-lbs (11-14 Nm).
  • Verify the final torque value on all fasteners with your torque wrench.
View full procedure

Door Hinge Bolt Torque Procedure

This procedure details the proper torque application for the bolts securing the door hinges to the body.

  • Identify all bolts securing the door hinges to the body.
  • Using the appropriate socket, loosen all bolts prior to removal.
  • Clean the threads of bolts and mating surfaces if necessary.
  • Install the bolts by hand.
  • Using a 3/8" drive torque wrench, torque bolts to 20-25 ft-lbs (27-34 Nm).
  • Verify the final torque value on all fasteners with your torque wrench.
View full procedure
Technical Service Bulletins

Body Panel Alignment Issues

1987-06-15

This bulletin addresses reports of inconsistent body panel gaps and misalignment issues on early model Chrysler Voyagers.

1984-1987

Resolution: Inspect body mounts for proper torque and condition. Shimming may be required to achieve correct panel alignment. Review the service manual for detailed body panel adjustment procedures.

Corrosion in Body Panel Fastener Locations

1990-02-28

This bulletin concerns the issue of corrosion affecting the body panel fasteners, particularly in areas exposed to moisture and road salt. Loose fasteners or bolt seizure may result from this.

1984-1990

Resolution: Apply anti-seize lubricant to bolt threads during installation. Use a thread chaser to clean corroded threads on the vehicle body. Consider replacing fasteners that are severely corroded or damaged.

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