Dodge Caravan 1996-2000 Drivetrain Bolt Torque Specifications & Fastener Values
Dodge Caravan 1996-2000

Dodge Caravan 1996-2000 Drivetrain Bolt Torque Specifications

Detailed torque specifications for various drivetrain bolts on the 1996-2000 Dodge Caravan, 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 To Transmission

This section covers the torque specifications for components that directly connect the engine and transmission.

1

Flywheel Bolts

M10 x 1.25
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Ensure flywheel and crankshaft mating surfaces are clean and free of debris. Use new bolts if specified by manufacturer.
2

Transmission Mounting Bolts

M12 x 1.75
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Apply thread locking compound if specified. Ensure proper transmission alignment with engine before tightening.

Transmission

Torque specifications for bolts related to the transmission case, fluid management, and internal components.

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
7.5 ft-lbs (10 N·m)
Important Notes
Tighten bolts in a criss-cross pattern. Do not overtighten to avoid damaging the gasket. Convert inch-lbs to ft-lbs, 90 inch-lbs is 7.5 ft-lbs
2

Transmission Drain and Fill Plugs

M18 x 1.5
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Use a new sealing washer. Verify correct plug size before installation. Estimated Value
3

Transmission Output Shaft Nut

M24 x 1.5
Torque Value
190 ft-lbs (258 N·m)
Important Notes
Verify this specification against the specific service manual. This is an estimated value
4

Transmission Mount to Body/Frame Bolts

M12 x 1.75
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Apply thread locking compound if specified. This is an estimated value.

Drive Axles

Torque specifications for bolts securing the drive axles, CV joints, and associated components.

1

Drive Axle/Half Shaft Bolts (transmission side)

M10 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Verify correct bolt location in service manual. Use new bolts if specified by manufacturer
2

Drive Axle Flange to Transmission Flange bolts

M10 x 1.5
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Apply thread locking compound if specified. This is an estimated value.
3

CV Joint/Axle Nut

M24 x 1.5
Torque Value
180 ft-lbs (244 N·m)
Important Notes
Use a new nut. Some applications may require a specific tightening procedure and may also include an angle torque. Please refer to service manual. This is a critical nut that must be torqued properly to prevent failure and injury.

Driveshaft

Torque specifications for bolts that secure the driveshaft/propeller shaft to the transmission and/or rear differential.

1

Propeller/Drive Shaft Bolts

M10 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Apply thread locking compound if specified. Verify correct location in service manual. This is assuming a RWD platform and may not apply to FWD models.

Differential

Torque specifications for the differential housing, drain/fill plugs, and related components.

1

Differential Drain/Fill Plug

M18 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Use a new sealing washer. Verify correct plug size before installation. This is an estimated value.
2

Differential Cover Bolts

M10 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Tighten bolts in a criss-cross pattern to ensure even gasket compression and prevent leaks. This is an estimated value

Transfer Case

Torque specifications for the transfer case and related components (AWD/4WD models)

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. Verify correct plug size before installation. This is an estimated value.

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?

Correct torque ensures proper clamping force, preventing bolts from loosening due to vibration or stress, which could lead to component failure. Over-torquing can damage threads or even break bolts, while under-torquing can result in components shifting or vibrating, causing wear and potential failure. For example, improperly torqued driveshaft bolts could lead to vibration or complete separation while driving.

Q2

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

While a torque wrench is the most accurate method, you can approximate using the 'hand-tight and a bit more' method if necessary, but this is highly discouraged for drivetrain components. For critical components like transmission mounts or CV axle nuts, a torque wrench is essential. Guessing can lead to serious issues and costly repairs. It is best to borrow or purchase a suitable torque wrench for such jobs. Failure to do so can result in stripped threads or insufficiently tightened components.

Q3

What should I do if a bolt feels like it's going to strip while tightening?

Stop immediately. If a bolt feels like it's stripping or becoming increasingly difficult to turn, it's likely cross-threaded or near its yield point. Back the bolt out carefully, inspect the threads on both the bolt and the receiving component for damage. If damaged, replace the bolt and, if necessary, use a thread chaser or tap to repair the receiving threads. Attempting to force the bolt further will only result in further damage and component replacement will become necessary.

Q4

Are there any specific lubricants or thread sealants I should use on drivetrain bolts?

While generally not required, anti-seize compound is often recommended on components that will be exposed to the elements, like the driveshaft and exhaust, to prevent them from seizing due to corrosion over time. When installing axle nuts, be sure to follow the vehicle manufacturers instructions. Do not apply grease to nuts or bolts unless specifically recommended in the vehicle's service manual. In most cases, bolts are installed dry. Threadlocker may be required depending on the bolt and specific application.

Q5

Do I need to use new bolts when I reinstall driveline components?

It depends on the specific bolt and application. For critical, high-stress fasteners such as the driveshaft bolts, torque-to-yield bolts, or axle nuts, it is almost always recommended that they be replaced with new ones. These bolts are designed to stretch upon installation, and reusing them may not provide the correct clamping force. For less critical fasteners, a careful visual inspection is appropriate.

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.

  • 10-150 ft-lbs range
  • Click-type mechanism for accurate torque application
Learn more

Torque Wrench (3/8" Drive)

Smaller drive torque wrench for lower torque specifications.

  • 5-80 ft-lbs range
  • Click-type mechanism
Learn more

Socket Set (SAE)

Various sized sockets to fit the range of drivetrain bolts on the vehicle.

  • Includes standard sizes ranging from 8mm to 24mm
  • 6-point sockets recommended
Learn more

Extension Bars

Extension bars help access recessed bolts.

  • 1/2" and 3/8" drive variations
  • Multiple lengths for varied accessibility
Learn more

Universal Joint Adapters

Allows for accessing bolts at an angle where a regular socket can't fit

  • 1/2" and 3/8" drive variations
  • Flexible design
Learn more
Service Procedures

Transaxle Mounting Bolt Torque Procedure

Procedure for tightening transaxle mounting bolts to the engine block.

  • Locate all transaxle mounting bolts.
  • Using the appropriate sized socket, thread in each bolt finger-tight first.
  • Torque the transaxle-to-engine bolts to 70 ft-lbs in a star pattern.
  • Re-check all torqued bolts after tightening.
View full procedure

CV Axle Nut Torque Procedure

Procedure for properly tightening the CV axle nut.

  • Locate the CV axle nut at the hub.
  • Ensure the vehicle is on the ground or the wheels are blocked appropriately before torquing.
  • Torque the CV axle nut to 180 ft-lbs.
  • Stake the axle nut into the slot if it is not a flanged nut.
View full procedure

Driveshaft Center Support Bearing Bolts Torque Procedure

Procedure for tightening the bolts holding the center support bearing to the chassis.

  • Locate the bolts securing the center support bearing.
  • Use a torque wrench with the correct socket to tighten bolts to 40 ft-lbs.
View full procedure

Differential Cover Bolts Torque Procedure

Procedure for torquing differential cover bolts after servicing.

  • Locate all the bolts around the perimeter of the differential cover.
  • Tighten the bolts in a crisscross pattern by hand until snug.
  • Torque the differential cover bolts to 30 ft-lbs.
View full procedure
Technical Service Bulletins

Transaxle Mounting Bolt Loosening Issue

1998-05-15

Some reports of transaxle bolts loosening prematurely in high-vibration environments.

1996-1998

Resolution: Apply threadlocker to the bolts and increase torque by 5 ft-lbs.

CV Axle Nut Backing Off

1999-11-03

Reports of CV axle nuts loosening after repair or replacement. Make sure to stake after torquing.

1996-2000

Resolution: Replace the nut and confirm proper staking after tightening, inspect for wear

Differential Cover Leakage Due to Over Torque

2000-02-20

Reports of differential covers leaking due to over tightening of bolts.

1996-2000

Resolution: Replace differential cover and gasket. Confirm no damage to the sealing surface and tighten to specified torque.

About the Author

Expert automotive knowledge and experience

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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