Dodge Viper 2013-2017 Drivetrain Bolt Torque Specifications & Fastener Values
Dodge Viper 2013-2017

Dodge Viper 2013-2017 Drivetrain Bolt Torque Specifications

Detailed torque specifications for the drivetrain components of the 2013-2017 Dodge Viper, including transmission, driveshaft, and differential bolts.

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

Flywheel And Clutch

This subsystem includes components that connect the engine to the transmission, ensuring proper power transfer and clutch operation.

1

Flywheel Bolts

M10 x 1.25
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Ensure bolts are tightened in a crisscross pattern to avoid warping the flywheel.
2

Clutch Pressure Plate Bolts

M8 x 1.25
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Estimated value based on similar clutch assemblies. Tighten in a star pattern.

Transmission

This subsystem includes components that secure the transmission to the engine and chassis, as well as fluid-related components.

1

Transmission Mounting Bolts

M10 x 1.5
Torque Value
40 ft-lbs (54 N·m)
Important Notes
Ensure transmission is properly aligned before tightening.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
9 ft-lbs (12 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even sealing.
3

Transmission Bellhousing Bolts

M8 x 1.25
Torque Value
35 ft-lbs (47 N·m)
Important Notes
Estimated value based on similar bellhousing bolt sizes. Tighten in a crisscross pattern.

Driveshaft And Axles

This subsystem includes components that transfer power from the transmission to the wheels, ensuring secure connections and proper alignment.

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Ensure axle is properly seated before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Value
180 ft-lbs (244 N·m)
Important Notes
Use a torque wrench capable of handling high torque values.
3

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Value
60 ft-lbs (81 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even torque distribution.

Differential And Transfer Case

This subsystem includes components that distribute power to the wheels and allow for fluid changes in the differential and transfer case.

1

Differential Mounting Bolts

M12 x 1.75
Torque Value
70 ft-lbs (95 N·m)
Important Notes
Estimated value based on similar differential mounting bolts. Tighten in a crisscross pattern.
2

Differential Drain/Fill Plug

M14 x 1.5
Torque Value
30 ft-lbs (41 N·m)
Important Notes
Ensure plug threads are clean and free of debris before installation.
3

Transfer Case Mounting Bolts

M10 x 1.5
Torque Value
50 ft-lbs (68 N·m)
Important Notes
Estimated value based on similar transfer case mounting bolts. Tighten in a crisscross pattern.
4

Transfer Case Drain/Fill Plug

M12 x 1.75
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure plug threads are clean and free of debris before installation.

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 is the torque specification for the driveshaft bolts on a 2013-2017 Dodge Viper?

The driveshaft bolts on a 2013-2017 Dodge Viper should be torqued to 70-80 lb-ft (95-108 Nm). Always use a calibrated torque wrench and follow the manufacturer's recommended tightening sequence to ensure proper alignment and avoid drivetrain vibration.

Q2

How often should I check the torque on drivetrain components?

It is recommended to check the torque on drivetrain components, such as driveshaft bolts and axle nuts, every 15,000 miles or after any significant impact or repair. Regular inspections help prevent loosening due to vibration and ensure optimal performance.

Q3

Can I reuse drivetrain bolts, or should they be replaced?

Drivetrain bolts, especially those subjected to high stress, should be replaced if they show signs of wear, stretching, or corrosion. Reusing bolts can compromise their integrity and lead to failure. Always consult the service manual for specific recommendations.

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 accurate torque application on drivetrain bolts.

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

Torque Angle Gauge

Used to measure the angle of rotation during torque-to-yield applications.

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

Thread Locker Applicator

Ensures proper application of thread locker on drivetrain bolts.

  • Controlled dispensing
  • Compatible with common thread locker brands
Learn more
Service Procedures

Driveshaft Bolt Torque Procedure

Step-by-step guide to properly torque the driveshaft bolts on a 2013-2017 Dodge Viper.

  • Raise the vehicle and secure it on a lift or jack stands.
  • Remove the driveshaft access cover.
  • Clean the bolt threads and apply thread locker as specified.
  • Tighten the driveshaft bolts to 50 Nm (37 lb-ft) using a torque wrench.
  • Use a torque angle gauge to apply an additional 90-degree turn.
View full procedure

Differential Mounting Bolt Torque Procedure

Procedure for torquing the differential mounting bolts to ensure proper alignment and stability.

  • Support the differential with a transmission jack.
  • Clean the mounting surfaces and bolt threads.
  • Tighten the mounting bolts to 75 Nm (55 lb-ft) in a crisscross pattern.
  • Recheck torque after 24 hours of operation.
View full procedure
Technical Service Bulletins

Drivetrain Bolt Loosening Issue

2015-08-12

Reports of drivetrain bolts loosening over time due to insufficient torque or lack of thread locker.

2013-2015 Dodge Viper

Resolution: Re-torque all drivetrain bolts to specified values and apply thread locker as recommended in the service manual.

Driveshaft Vibration at High Speeds

2016-03-22

Some vehicles experience vibrations at high speeds due to improperly torqued driveshaft bolts.

2014-2016 Dodge Viper

Resolution: Inspect and re-torque driveshaft bolts to the correct specification, ensuring proper use of a torque angle gauge.

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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