Chrysler Voyager 1996-2000 Drivetrain Bolt Torque Specifications & Fastener Values
Chrysler Voyager 1996-2000

Chrysler Voyager 1996-2000 Drivetrain Bolt Torque Specifications

Comprehensive list of torque specifications for drivetrain bolts on the 1996-2000 Chrysler Voyager, including transmission, differential, and driveshaft 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

Engine Flywheel

Specifications for components connecting to the engine crankshaft, including the flywheel and torque converter (if applicable). Proper torque is crucial for engine balance and smooth power transfer.

1

Flywheel Bolts

M12 x 1.25
Torque Value
80 ft-lbs (108 N·m)
Important Notes
Apply threadlocker to the bolts. Tighten bolts in a star pattern.
2

Torque Converter Bolts to Flywheel

M10 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure the torque converter is properly seated on the transmission input shaft before tightening.

Transmission Mounting

Specifications for bolts securing the transmission to the engine and chassis. Proper torque ensures correct alignment and prevents vibration.

1

Transmission Mounting Bolts

M12 x 1.75
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Ensure all transmission mounts are properly aligned before tightening.
2

Transmission to Engine Bolts

M12 x 1.75
Torque Value
40 ft-lbs (54 N·m)
Important Notes
If these bolts are shared with transmission mounts, tighten along with the mounts using the 40 ft-lbs (54 N·m) specification.

Transmission Case

Specifications for bolts related to the transmission case, oil pan, and drain/fill plugs. Proper sealing is essential for maintaining fluid levels.

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
7.9 ft-lbs (11 N·m)
Important Notes
Tighten bolts in a criss-cross pattern. Use a new gasket or sealant as per the manufacturer's recommendations.
2

Transmission Drain and Fill Plugs

M18 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Use a new sealing washer if needed. Be careful not to overtighten.

Driveshaft Axles

Specifications for bolts connecting the driveshaft, half shafts, and CV joints. Proper torque is critical for reliable power transfer to the wheels.

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Ensure the axle is properly seated in the transmission and wheel hub before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Value
180 ft-lbs (244 N·m)
Important Notes
Use a new nut if specified by the manufacturer. This nut often has a specific torque and angle tightening procedure, check service manual.
3

Propeller/Drive Shaft Bolts

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Ensure the driveshaft is properly aligned and the yokes are phased correctly before tightening.

Differential

Specifications for bolts associated with the differential, including the ring gear, cover, carrier mounts, and drain/fill plugs. Proper torque is important for gear alignment, fluid retention, and overall structural integrity.

1

Differential Ring Gear Bolts

M12 x 1.25
Torque Value
55 ft-lbs (75 N·m)
Important Notes
Use threadlocker on the bolts. Tighten bolts in a star pattern.
2

Differential Cover Bolts

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Use a new gasket or sealant. Tighten bolts in a criss-cross pattern to avoid leaks.
3

Differential Drain/Fill Plug

M18 x 1.5
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Use a new sealing washer if needed. Do not overtighten.
4

Differential Carrier Mounting Bolts

M14 x 1.5
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Ensure the differential carrier is correctly positioned before tightening.

Transfer Case

Specifications for bolts associated with the transfer case, focusing on drain and fill plugs. Proper torque is needed to maintain fluid integrity.

1

Transfer Case Drain/Fill Plug

M18 x 1.5
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Use a new sealing washer if needed. Do not overtighten.

Transmission Output

Specifications for bolts and nuts associated with the transmission output shaft, including output flanges. Proper torque is essential for transferring power reliably.

1

Output Shaft Nut

M22 x 1.5
Torque Value
180 ft-lbs (244 N·m)
Important Notes
Use a new nut if specified by the manufacturer. This nut often has a specific torque and angle tightening procedure, check service manual.

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 drivetrain bolts?

Proper torque is crucial to ensure that bolts are tight enough to hold components securely, but not so tight that they stretch, break, or damage the threads. Incorrect torque can lead to component failure, loosening of fasteners, vibrations, and potentially dangerous situations while driving. For example, a driveshaft bolt that is not tightened to the correct torque could loosen and cause the driveshaft to detach.

Q2

What happens if I over-torque a drivetrain bolt?

Over-torquing can stretch or break the bolt, damage the threads in the receiving component, and potentially distort the parts being clamped together. This can lead to premature failure of the component. For example, over-torquing a transmission mounting bolt could crack the transmission case or damage the mounting points.

Q3

What happens if I under-torque a drivetrain bolt?

Under-torquing can cause the bolt to loosen over time, leading to vibrations, component shifting, and eventual failure. In extreme cases, parts may separate completely while driving, leading to dangerous situations. For example, an under-torqued CV axle nut can lead to premature wear of the CV joint or even cause the axle to separate from the hub assembly.

Q4

Should I use thread locker on drivetrain bolts?

While not always required, thread locker (like Loctite) is recommended for certain drivetrain bolts, especially those subject to vibration and high stress. Consult your service manual to confirm if it is recommended or mandatory. Using thread locker helps prevent fasteners from loosening over time. For instance, many driveshaft bolts will benefit from thread locker use, especially if reusing bolts.

Q5

Do I need to use new bolts when replacing drivetrain components?

In many cases, yes. Some bolts are designed to stretch slightly upon tightening (torque-to-yield), and must be replaced each time they are removed. Reusing these can result in improper clamping force and component failure. Always refer to your service manual for guidance on specific bolt replacement requirements. For example, torque-to-yield fasteners will likely be called out with notes in the manual.

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 accurately tightening fasteners to specified torque values. A 1/2" drive is suitable for most drivetrain components.

  • Click-type mechanism for accurate torque application
  • Wide torque range (e.g., 20-250 ft-lbs)
  • Easy to read scale
Learn more

Torque Wrench (3/8" Drive)

A smaller torque wrench for lower torque applications on the drivetrain.

  • Click-type mechanism for accurate torque application
  • Torque range appropriate for lower settings (e.g., 5-80 ft-lbs)
  • Compact for use in tight spaces
Learn more

Socket Set (Standard & Metric)

A comprehensive set of sockets, both standard (SAE) and metric, to fit various bolt and nut sizes in the drivetrain.

  • Variety of sizes to accommodate different fasteners
  • 6-point design for secure grip
  • Durable construction
Learn more

Extension Bars & Universal Joint

Extension bars and a universal joint can assist with accessing fasteners in difficult-to-reach areas.

  • Various lengths for added reach
  • Universal joint allows for angled access
  • Durable material
Learn more

Anti-Seize Lubricant

Use to prevent fasteners from seizing, especially in high heat or corrosive environments

  • High-temperature resistance
  • Prevents galling
  • Ease of future removal
Learn more
Service Procedures

Transaxle Mount Bolt Torque

Procedure for correctly tightening the bolts securing the transaxle to the frame.

  • Locate all transaxle mount bolts.
  • Using the appropriate socket, lightly seat each bolt.
  • Torque each bolt to 45 ft-lbs using a torque wrench.
  • Recheck torque to ensure accurate tightening.
  • Apply anti-seize compound to the bolt threads for future maintenance
View full procedure

Drive Shaft Bolt Torque

Procedure for correctly tightening the bolts connecting the driveshaft to the transaxle and wheel hubs.

  • Locate all driveshaft bolts.
  • Using the appropriate socket, lightly seat each bolt.
  • Torque each bolt to 65 ft-lbs using a torque wrench.
  • Recheck torque to ensure accurate tightening.
  • Apply anti-seize compound to the bolt threads for future maintenance
View full procedure

Differential Cover Bolt Torque

Procedure for correctly tightening the bolts holding the differential cover in place

  • Locate all differential cover bolts
  • Using the appropriate socket, lightly seat each bolt in a crisscross pattern.
  • Torque each bolt to 30 ft-lbs using a torque wrench.
  • Recheck torque to ensure accurate tightening
  • Apply anti-seize compound to the bolt threads for future maintenance
View full procedure

Wheel Hub/Bearing Assembly Bolt Torque

Procedure for correctly tightening the bolts connecting the wheel hub/bearing assembly to the steering knuckle.

  • Locate all wheel hub/bearing assembly bolts.
  • Using the appropriate socket, lightly seat each bolt.
  • Torque each bolt to 75 ft-lbs using a torque wrench.
  • Recheck torque to ensure accurate tightening.
  • Apply anti-seize compound to the bolt threads for future maintenance
View full procedure
Technical Service Bulletins

Transaxle Mount Bolt Loosening Issue

1998-05-15

Reports of transaxle mount bolts loosening prematurely, leading to driveline vibration. Affected vehicles may require thread locker application.

1996-1998

Resolution: Clean threads of transaxle mount bolts and apply medium-strength thread locker. Torque to 45 ft-lbs after thread locker application.

Drive Shaft Bolt Fatigue

1999-11-01

Incidents of drive shaft bolt fatigue and breakage reported, especially under heavy loads or severe conditions. New bolt material recommended.

1996-1999

Resolution: Replace drive shaft bolts with updated OEM bolts. Torque to 65 ft-lbs. Apply anti-seize compound to the bolt threads for future maintenance.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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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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