Chrysler Town & Country 2008-2016 Drivetrain Bolt Torque Specifications & Fastener Values
Chrysler Town & Country 2008-2016

Chrysler Town & Country 2008-2016 Drivetrain Bolt Torque Specifications

This page provides detailed torque specifications for various drivetrain bolts on the 2008-2016 Chrysler Town & Country, ensuring proper assembly and performance.

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

Transmission Mounting

This section covers bolts related to mounting the transmission to the engine and chassis.

1

Engine to Transmission Bolts

M12 x 1.75
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Secures the transmission housing to the engine block. Critical for drivetrain integrity.
2

Transmission Mount to Frame Bolts

M12 x 1.75
Torque Value
65 ft-lbs (88 N·m)
Important Notes
Secures the transmission mount to the vehicle's frame. Critical for vibration isolation and transmission support.
3

Transmission Pan Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Secures the transmission fluid pan to the transmission housing. Use new gasket. Torque in a crisscross pattern. Estimated value.

Torque Converter

Bolts relating to the torque converter and its connection to the engine flexplate.

1

Torque Converter to Flexplate Bolts

M10 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Attaches the torque converter to the engine's flexplate. Use thread locking compound.

Driveshaft

Bolts relating to the driveshaft and its mounting to the vehicle.

1

Driveshaft Center Support Bearing Bolts

M10 x 1.5
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Secures the center support bearing to the vehicle's frame. Estimated value.
2

Driveshaft to Rear Axle Flange Bolts

M12 x 1.75
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Attaches the driveshaft to the rear axle flange. Estimated value.

Rear Axle

Bolts related to the rear axle assembly including the differential and cover.

1

Rear Axle Differential Cover Bolts

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Secures the differential cover to the rear axle housing. Estimated value. Torque in a crisscross pattern.
2

Rear Axle Differential Carrier Mounting Bolts

M14 x 2.0
Torque Value
75 ft-lbs (102 N·m)
Important Notes
Attaches the differential carrier to the axle housing. Estimated value.

Cv Axle

Bolts relating to the front CV axles and their connection to the hub and transmission.

1

Front CV Axle Shaft Nut (Axle Nut)

M24 x 1.5
Torque Value
180 ft-lbs (244 N·m)
Important Notes
Secures the CV axle shaft to the wheel hub. Always replace this nut. This can vary depending on the specific model and nut size (32mm or 36mm), verify before tightening
2

Front CV Axle Inner Tripod Joint Bolts

M10 x 1.25
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Attaches the CV axle inner tripod joint to the transmission or intermediate shaft flange. Estimated value.

Wheel Hub

Bolts relating to the rear wheel hubs and bearings.

1

Rear Wheel Hub/Bearing Mounting Bolts

M12 x 1.75
Torque Value
85 ft-lbs (115 N·m)
Important Notes
Secures the rear wheel hub/bearing assembly to the knuckle.

Rear Suspension

Bolts related to the rear suspension components.

1

Rear Suspension Trailing Arm to Frame Bolts

M14 x 2.0
Torque Value
110 ft-lbs (149 N·m)
Important Notes
Attaches the rear trailing arm to the vehicle frame.
2

Rear Suspension Lower Control Arm Bolts (to Knuckle/Hub)

M14 x 2.0
Torque Value
90 ft-lbs (122 N·m)
Important Notes
Connects the lower control arm to the knuckle or hub assembly.

Fluid Plugs

Torque specifications for fluid drain and fill plugs.

1

Differential Fluid Drain/Fill Plug

M18 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Seals the drain and fill ports, preventing fluid leaks. Use new sealing washer.
2

Transmission Fluid Drain Plug

M18 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Seals the transmission fluid drain plug. Use new sealing washer.

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?

Using the correct torque is crucial for proper drivetrain function and safety. Under-tightening can cause bolts to loosen, leading to component failure, noise, and potential accidents. Over-tightening can stretch or break bolts, damage threads, and also compromise the integrity of the assembly. For example, an improperly torqued CV axle bolt could cause the axle to separate from the transmission, resulting in loss of drive.

Q2

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

While a torque wrench is highly recommended, if you don't have one, you should not perform any drivetrain bolt torquing tasks. It is absolutely critical to use a torque wrench to ensure proper fastening. Guessing or estimating torque can lead to severe issues, such as stripped bolts or component damage. It's best to consult a professional or acquire the necessary tools before working on critical drivetrain components.

Q3

Can I reuse drivetrain bolts?

In many cases, it is recommended to replace specific drivetrain bolts, such as those that are torque-to-yield (TTY). TTY bolts are designed to stretch slightly when tightened and are not intended for reuse. Reusing them can lead to improper clamping force and failure. Always consult the service manual to identify bolts that need replacement. For example, transmission mount bolts are often replaced after removal.

Q4

How often should I check the torque on my drivetrain bolts?

Generally, torque on critical drivetrain bolts should be checked at least during routine maintenance intervals such as oil changes or every 12,000 miles. However, if you have recently performed any work on the drivetrain, it is best to check torque settings after a short driving period to ensure proper seating and clamping. For example, after replacing a CV axle, re-check the axle nut torque after a 100 miles of driving.

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 tightening bolts to the correct specifications, preventing over or under tightening.

  • Wide torque range (typically 20-150 ft-lbs or similar)
  • Audible click or digital readout for accurate torque application
  • 1/2" drive for compatibility with most drivetrain fasteners
Learn more

Torque Wrench (3/8" Drive)

A smaller torque wrench for bolts with lower torque specifications

  • Lower torque range (typically 5-80 ft-lbs)
  • Audible click or digital readout for accurate torque application
  • 3/8" drive for compatibility with smaller drivetrain fasteners
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets is necessary to fit the various bolt heads found in the drivetrain.

  • Standard and deep sockets in common metric sizes (10mm - 24mm)
  • Durable construction (e.g., chrome vanadium steel)
  • 6-point or 12-point sockets for better grip
Learn more

Universal Joint Adapter

A universal joint adapter can be helpful for torquing fasteners in hard-to-reach areas within the drivetrain.

  • Allows for angled access
  • Sturdy construction
  • Appropriate drive size (1/2" or 3/8")
Learn more

Torque Angle Meter (Optional)

A torque angle meter helps in tightening bolts by measuring angle in addition to torque, which is needed in certain applications

  • Attaches to torque wrench
  • Precise measurement of rotation
  • Helps ensure proper bolt stretch
Learn more
Service Procedures

Driveshaft Center Support Bearing Bolt Torque

Procedure for torquing the driveshaft center support bearing bolts.

  • Locate the center support bearing mounting bolts.
  • Using the appropriate socket and torque wrench, tighten the bolts to the specified torque (typically 40 ft-lbs).
  • Verify the torque with a second check.
View full procedure

Driveshaft Flange Bolts Torque

Procedure for torquing the driveshaft flange bolts at the transmission and rear axle.

  • Locate the driveshaft flange bolts at the transmission and rear axle.
  • Using the appropriate socket and torque wrench, tighten the bolts in a star pattern to the specified torque (typically 55 ft-lbs).
  • Verify the torque with a second check.
View full procedure

Transmission Mount Bolts Torque

Procedure for torquing the transmission mount bolts to chassis.

  • Locate the transmission mount bolts.
  • Using the appropriate socket and torque wrench, tighten the bolts to the specified torque (typically 70 ft-lbs).
  • Verify the torque with a second check.
View full procedure

Differential Cover Bolts Torque

Procedure for torquing the differential cover bolts after fluid change.

  • Locate the differential cover bolts.
  • Using the appropriate socket and torque wrench, tighten the bolts in a cross pattern to the specified torque (typically 30 ft-lbs).
  • Verify the torque with a second check.
View full procedure
Technical Service Bulletins

Driveshaft Bolt Loosening Issue

2012-05-15

Some 2011-2012 Town & Country models have reported issues of driveshaft bolts loosening prematurely.

2011-2012

Resolution: Apply thread locker to all driveshaft flange bolts and re-torque to specified specification. Re-check torque after 500 miles.

Differential Cover Leakage Concerns

2015-02-20

Reports of differential fluid leaks due to improper cover bolt torque.

2013-2016

Resolution: Ensure proper tightening pattern is used for all cover bolts and use a new gasket. Re-torque cover bolts to spec.

About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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