Dodge Challenger 2008-present Drivetrain Bolt Torque Specifications & Fastener Values
Dodge Challenger 2008-present

Dodge Challenger 2008-present Drivetrain Bolt Torque Specifications

Comprehensive guide to the drivetrain bolt torque specifications for the 2008-Present Dodge Challenger, including detailed torque values and assembly instructions.

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 Transmission Interface

Components that connect the engine to the transmission, ensuring proper alignment and power transfer.

1

Flywheel Bolts

M10 x 1.25
Torque Value
75 ft-lbs (102 N·m)
Important Notes
Ensure bolts are tightened in a star pattern to evenly distribute torque.
2

Torque Converter Bolts

M8 x 1.25
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar M8 bolts. Ensure bolts are tightened in a star pattern.
3

Transmission Bellhousing Bolts

M10 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Estimated value based on similar M10 bolts. Ensure bolts are tightened in a star pattern.

Transmission Mounting

Components that secure the transmission to the chassis, ensuring stability and alignment.

1

Transmission Mounting Bolts

M10 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Ensure bolts are tightened evenly to avoid misalignment.

Transmission Fluid Management

Components related to the transmission fluid system, ensuring proper sealing and fluid retention.

1

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
8.75 ft-lbs (12 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to evenly distribute torque.
2

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensure plugs are tightened securely to prevent leaks.

Driveshaft And Axles

Components that transfer power from the transmission to the wheels, ensuring secure attachment and alignment.

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Ensure bolts are tightened evenly to avoid misalignment.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Value
185 ft-lbs (251 N·m)
Important Notes
Ensure the nut is tightened securely to prevent wheel separation.
3

Propeller/Drive Shaft Bolts

M10 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Ensure bolts are tightened evenly to avoid misalignment.

Differential And Transfer Case

Components related to the differential and transfer case, ensuring proper fluid retention and secure attachment.

1

Differential Drain/Fill Plug

M12 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure plugs are tightened securely to prevent leaks.
2

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure plugs are tightened securely to prevent leaks.
3

Differential Cover Bolts

M8 x 1.25
Torque Value
20 ft-lbs (27 N·m)
Important Notes
Estimated value based on similar M8 bolts. Ensure bolts are tightened in a crisscross pattern.
4

Transfer Case Mounting Bolts

M10 x 1.5
Torque Value
45 ft-lbs (61 N·m)
Important Notes
Ensure bolts are tightened evenly to avoid misalignment.
5

Rear Axle Pinion Nut

M24 x 1.5
Torque Value
200 ft-lbs (271 N·m)
Important Notes
Ensure the nut is tightened securely to prevent drivetrain failure.

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

What are the torque specifications for the drivetrain bolts on a 2008-Present Dodge Challenger?

The torque specifications vary depending on the specific drivetrain component. For example, the driveshaft-to-differential bolts typically require 70-80 ft-lbs, while the transmission-to-engine bolts may require 55-65 ft-lbs. Always refer to the vehicle's service manual for exact specifications based on your model and drivetrain configuration.

Q2

How often should I check the torque on drivetrain bolts?

It is recommended to check the torque on drivetrain bolts during routine maintenance, such as every 30,000 miles or after any significant drivetrain work. Vibrations and stress can cause bolts to loosen over time, so regular inspections are crucial for safety and performance.

Q3

Can I reuse drivetrain bolts after removal?

Reusing drivetrain bolts is generally not recommended, especially for critical components like the driveshaft or transmission. These bolts are often torque-to-yield (TTY) and designed for one-time use. Reusing them can compromise their integrity and lead to failure. Always replace with new, manufacturer-recommended bolts.

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

Digital Torque Wrench

A precision tool for applying accurate torque to drivetrain bolts.

  • Adjustable torque settings
  • Digital display for precise readings
Learn more

Torque Angle Gauge

Used to measure the angle of rotation when applying torque-to-yield bolts.

  • Magnetic base for easy attachment
  • Clear angle markings
Learn more

Breaker Bar

A long-handled tool for loosening tight bolts before torque application.

  • Durable construction
  • Compatible with standard sockets
Learn more
Service Procedures

Driveshaft Bolt Torque Procedure

Steps to properly torque the driveshaft bolts on a Dodge Challenger.

  • Raise the vehicle and secure it on jack stands.
  • Locate the driveshaft bolts at the differential and transmission connections.
  • Clean the bolt threads and apply a small amount of thread locker.
  • Tighten the bolts to the specified torque using a torque wrench.
  • Verify the torque with a second pass.
View full procedure

Axle Shaft Bolt Torque Procedure

Steps to torque the axle shaft bolts on a Dodge Challenger.

  • Remove the wheel and brake components to access the axle shaft.
  • Clean the bolt threads and apply thread locker.
  • Tighten the axle shaft bolts to the specified torque in a crisscross pattern.
  • Reinstall the brake components and wheel.
View full procedure
Technical Service Bulletins

Drivetrain Bolt Torque Specification Update

2015-03-12

Updated torque specifications for drivetrain bolts on 2008-Present Dodge Challenger models.

2008-Present Dodge Challenger

Resolution: Refer to the updated torque specifications in the service manual and ensure all bolts are torqued to the correct values.

Driveshaft Bolt Loosening Issue

2019-07-22

Reports of driveshaft bolts loosening over time on certain Dodge Challenger models.

2015-2019 Dodge Challenger

Resolution: Apply thread locker to the driveshaft bolts and re-torque to the specified value. Monitor for any further loosening.

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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