Chrysler Voyager 1984-1990

Chrysler Voyager 1984-1990 Suspension Bolt Torque Specifications

This page provides detailed torque specifications for all suspension bolts on the 1984-1990 Chrysler Voyager, including front and rear components.

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 various components of the front suspension system, including struts, control arms, and stabilizer bar linkages. Proper torque is critical for safe operation and correct alignment.

1

Strut to Steering Knuckle Bolts

M12 x 1.75
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Ensures proper strut attachment to the knuckle. Tighten evenly and check torque after a short test drive. This is an estimate based on similar K-platform vehicles. Always verify with a service manual if available.
2

Strut Top Mount Nuts (Upper)

M10 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Secures the strut assembly to the vehicle body. Do not over-tighten to avoid damage to the mount. These specifications are based on similar Chrysler vehicles from this era.
3

Lower Control Arm to Frame Bolts

M14 x 2.0
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Critical for securing the lower control arm. These specifications are based on similar Chrysler K-platform vehicles. Always verify with a service manual if available.
4

Lower Control Arm Ball Joint Pinch Bolt (or Nut)

M10 x 1.5
Torque Value
55 ft-lbs (75 N·m)
Important Notes
Secures the ball joint. Insufficient torque may cause ball joint separation. This is an estimated value based on industry standards for this size bolt in suspension applications. Always verify fit and check after a short test drive.
5

Stabilizer Bar Link to Strut Bolts/Nuts

M8 x 1.25
Torque Value
30 ft-lbs (40 N·m)
Important Notes
Attaches the stabilizer bar link to the strut. Do not over-tighten to prevent damage to the bushings or links. These values are based on similar Chrysler K-platform vehicles from the same era.
6

Stabilizer Bar Mounting Bracket Bolts (to Frame)

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Secures the stabilizer bar brackets to the vehicle frame. These values are based on similar Chrysler K-platform vehicles from the same era.
7

Tie Rod End Nut (to Steering Knuckle)

M12 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Secures tie rod end to steering knuckle. Ensure the cotter pin is in good condition or replace as needed. Values based on similar Chrysler K-platform vehicles.
8

Brake Caliper Mounting Bolts

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Ensures the brake caliper is correctly mounted to the knuckle or bracket. This is an estimated value based on industry standards for similar brake systems. Always confirm with brake system documentation.

Rear Suspension

Torque specifications for rear suspension components, including shocks/struts, trailing arms and leaf spring components (if applicable). Proper torque application is vital for safe and stable vehicle handling.

1

Rear Strut/Shock Lower Mounting Bolts

M12 x 1.75
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Secures the lower end of the rear strut/shock absorber. These specifications are based on similar Chrysler K-platform vehicles from the same era.
2

Rear Strut/Shock Upper Mounting Nuts

M10 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Secures the upper end of the rear strut or shock to the vehicle body. Do not over-tighten to prevent damage. These specifications are based on similar Chrysler vehicles of this age.
3

Rear Trailing Arm to Frame Bolts

M14 x 2.0
Torque Value
75 ft-lbs (102 N·m)
Important Notes
Secures the trailing arms to the vehicle frame. This is an estimated torque based on similar M14 applications.
4

Rear Trailing Arm to Axle Bolts

M14 x 2.0
Torque Value
75 ft-lbs (102 N·m)
Important Notes
Connects the trailing arms to the rear axle or beam. This is an estimated value based on standard torque for M14 bolts in similar suspension applications.
5

Leaf Spring Shackle Bolts/Nuts (If Equipped)

M12 x 1.75
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Secures the leaf spring shackle. These are estimated values based on industry standards for these types of fasteners. Note that leaf springs were not a standard fitment on all models, so verify your setup.
6

Leaf Spring U-Bolts (If Equipped)

M12 x 1.75
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Clamps the leaf spring pack to the axle. This is an estimated value based on industry standards. Note that leaf springs were not a standard fitment on all models, so verify your setup.

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 so important for suspension bolts?

Proper torque ensures that suspension components are securely fastened and operate correctly. Under-tightening can lead to loosening, movement, and potential failure, while over-tightening can stretch or break bolts and damage components. Incorrect torque can also affect vehicle handling and alignment.

Q2

What happens if I don't use a torque wrench when tightening suspension bolts?

Without a torque wrench, it's very difficult to achieve the correct tightness. You may unknowingly over-tighten or under-tighten bolts. Over-tightening can strip threads, weaken the bolt, or damage the component, while under-tightening can allow components to move, causing premature wear, strange noises, and potentially dangerous situations. A torque wrench is critical for safety and proper suspension function.

Q3

Do torque specifications change if the bolts are new or old?

Generally, torque specifications remain the same regardless of the bolt's age, as they are based on bolt grade and size. However, always inspect bolts for damage, wear, or corrosion. If a bolt is compromised, replace it with the correct grade fastener. Do not re-use bolts that have been stretched from over-torquing. Always ensure threads are clean and undamaged.

Q4

Should I use thread locker on suspension bolts?

For most suspension fasteners, a thread locker is usually not specified or necessary. The torque specification itself is designed to provide the necessary clamping force to keep fasteners from loosening. If you replace a component and it calls for a thread locker, then use it per manufacturer's specification. Using a thread locker on all fasteners will make it more difficult to remove components in the future. Always refer to your repair manual.

Q5

How often should I check the torque on suspension bolts?

It's a good practice to re-check the torque on suspension bolts after a few hundred miles of driving, especially after doing any suspension work. Then check again during annual maintenance along with any routine servicing. This helps catch any loosening that may have occurred due to settling of components. For vehicles used in demanding conditions such as off-road, more frequent checks are recommended.

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 applying the correct torque to suspension fasteners.

  • Click-type or digital readout
  • Capable of measuring torque within the specified range (ft-lbs)
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets is needed to fit the various suspension bolt and nut sizes.

  • Sizes ranging from 10mm to 22mm, including common sizes like 13mm, 15mm, 17mm, and 19mm
  • Deep sockets recommended for access in some locations
Learn more

Extension Bars (Various Lengths)

Extension bars will aid in accessing fasteners that are recessed or in difficult to reach areas.

  • 3-inch, 6-inch, and 10-inch recommended
  • Must have the proper drive size for compatibility
Learn more

Universal Joint

A universal joint is used to apply torque to fasteners at an angle.

  • 1/2" drive size to match the wrench and sockets
  • Durable metal construction
Learn more
Service Procedures

Front Strut Assembly Removal and Installation

Detailed procedure for removing and reinstalling the front strut assembly, including torque specifications.

  • Loosen the lug nuts on the wheel to be removed.
  • Raise and properly support the vehicle with jack stands.
  • Remove the wheel.
  • Disconnect the brake line bracket and ABS sensor wire (if equipped).
  • Disconnect the sway bar end link.
  • Support the lower control arm with a jack.
  • Loosen and remove the two bolts securing the strut to the steering knuckle.
  • Loosen and remove the three strut tower bolts at the top of the strut assembly.
  • Carefully remove the strut assembly.
  • Install the new or refurbished strut assembly in reverse order.
  • Torque the strut tower bolts to 25 ft-lbs (34 Nm).
  • Torque the strut-to-steering knuckle bolts to 65 ft-lbs (88 Nm).
  • Torque the sway bar link to 50 ft-lbs (68 Nm).
  • Reconnect all disconnected components.
  • Install the wheel and torque the lug nuts to 95 ft-lbs (130 Nm).
  • Lower the vehicle and double-check all fasteners.
View full procedure

Rear Shock Absorber Removal and Installation

Procedure for removing and replacing rear shock absorbers.

  • Loosen the lug nuts on the wheel to be removed.
  • Raise and properly support the vehicle with jack stands.
  • Remove the wheel.
  • Support the rear axle with a jack.
  • Remove the upper and lower shock absorber mounting bolts.
  • Remove the old shock absorber.
  • Install the new shock absorber.
  • Torque the upper and lower shock absorber bolts to 45 ft-lbs (61 Nm).
  • Install the wheel and torque the lug nuts to 95 ft-lbs (130 Nm).
  • Lower the vehicle and double-check all fasteners.
View full procedure

Lower Control Arm Removal and Installation

Procedure for removing and replacing the lower control arm.

  • Loosen the lug nuts on the wheel to be removed.
  • Raise and properly support the vehicle with jack stands.
  • Remove the wheel.
  • Support the steering knuckle with a jack.
  • Remove the strut to steering knuckle bolts.
  • Disconnect the sway bar end link.
  • Remove the lower control arm pivot bolt.
  • Remove the control arm ball joint bolt and separate the control arm from the steering knuckle.
  • Remove the lower control arm.
  • Install the new control arm in reverse order.
  • Torque the control arm pivot bolt to 80 ft-lbs (108 Nm).
  • Torque the ball joint bolt to 55 ft-lbs (75 Nm)
  • Torque the strut to knuckle bolts to 65 ft-lbs (88 Nm).
  • Torque the sway bar link to 50 ft-lbs (68 Nm).
  • Install the wheel and torque the lug nuts to 95 ft-lbs (130 Nm).
  • Lower the vehicle and double-check all fasteners.
View full procedure
Technical Service Bulletins

Front Strut Mount Noise

1987-05-15

Reports of clunking noises emanating from the front suspension during operation.

1984-1987

Resolution: Inspect and replace front strut mounts, paying particular attention to the upper bushing. Ensure all mounting hardware is torqued to specification.

Rear Shock Absorber Failure

1989-11-20

Premature failure of rear shock absorbers due to excessive stress and wear.

1987-1990

Resolution: Replace with updated shock absorber part number (provided in bulletin). Verify correct torque values for mounting hardware.

Sway Bar End Link Breakage

1990-02-10

Reports of sway bar end links failing prematurely due to corrosion.

1984-1990

Resolution: Replace sway bar end links with improved corrosion resistant units. Apply anti-seize to mounting hardware and torque to specification.

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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