Volkswagen Volkswagen Passat 2011-2014 Drivetrain Bolt Torque Specifications & Fastener Values
Volkswagen Volkswagen Passat 2011-2014

Volkswagen Volkswagen Passat 2011-2014 Drivetrain Bolt Torque Specifications

Detailed torque specifications for the drivetrain bolts of the 2011-2014 Volkswagen Passat, including axle, transmission, 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

Engine To Transmission

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

1

Flywheel Bolts

M10 x 1.25
Torque Value
44 ft-lbs (60 N·m)
Important Notes
Ensure proper alignment of the flywheel before tightening.
2

Torque Converter Bolts

M8 x 1.25
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Ensure the torque converter is fully seated before tightening.
3

Transmission Bellhousing Bolts

M10 x 1.5
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Ensure the transmission is properly aligned with the engine before tightening.

Transmission

Components related to the transmission, including mounting, fluid management, and drivetrain connections.

1

Transmission Mounting Bolts

M10 x 1.5
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Ensure the transmission is properly aligned with the chassis before tightening.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Value
5.9 ft-lbs (8 N·m)
Important Notes
Use a torque wrench to avoid over-tightening and damaging the oil pan.
3

Transmission Drain and Fill Plugs

M12 x 1.5
Torque Value
25 ft-lbs (34 N·m)
Important Notes
Ensure the sealing washer is in good condition before tightening.

Driveshaft And Axles

Components that transfer power from the transmission or differential to the wheels.

1

Drive Axle/Half Shaft Bolts

M12 x 1.5
Torque Value
59 ft-lbs (80 N·m)
Important Notes
Ensure the axle is properly seated before tightening.
2

CV Joint/Axle Nut

M24 x 1.5
Torque Value
148 ft-lbs (200 N·m)
Important Notes
Use a torque wrench to ensure proper tightening and prevent wheel detachment.
3

Propeller/Drive Shaft Bolts

M8 x 1.25
Torque Value
14 ft-lbs (19 N·m)
Important Notes
Ensure the drive shaft is properly aligned before tightening.

Differential

Components related to the differential, including mounting and fluid management.

1

Differential Mounting Bolts

M12 x 1.75
Torque Value
66 ft-lbs (90 N·m)
Important Notes
Ensure the differential is properly aligned with the chassis before tightening.
2

Differential Drain/Fill Plug

M14 x 1.5
Torque Value
66 ft-lbs (90 N·m)
Important Notes
Ensure the sealing washer is in good condition before tightening.

Transfer Case

Components related to the transfer case, including mounting and fluid management.

1

Transfer Case Mounting Bolts

M10 x 1.5
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Ensure the transfer case is properly aligned with the chassis before tightening.
2

Transfer Case Drain/Fill Plug

M12 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Ensure the sealing washer is in good condition before tightening.

Rear Axle

Components related to the rear axle, including hub and differential connections.

1

Rear Axle Hub Bolts

M14 x 1.5
Torque Value
89 ft-lbs (120 N·m)
Important Notes
Ensure the hub is properly seated before tightening.

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 drivetrain bolts on a 2011-2014 Volkswagen Passat?

The torque specifications vary depending on the specific bolt and component. For example, the axle flange bolts typically require 50 Nm (37 lb-ft) plus an additional 90-degree turn, while the transmission mount bolts may require 40 Nm (30 lb-ft). Always refer to the official Volkswagen repair manual for precise specifications.

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 major repair involving the drivetrain. Additionally, inspect them if you notice unusual vibrations or noises, as loose bolts can lead to component failure.

Q3

Can I reuse drivetrain bolts after removal?

Some drivetrain bolts, such as stretch bolts, are designed for one-time use and must be replaced after removal. Reusing these bolts can compromise their integrity and lead to failure. Always check the manufacturer's guidelines to determine if a bolt is reusable or requires replacement.

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 torque-to-yield bolts are used.

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

Socket Set

A set of sockets for various bolt sizes in the drivetrain system.

  • Includes both metric and standard sizes
  • Durable construction
Learn more
Service Procedures

Drivetrain Bolt Torque Application

Procedure for applying the correct torque to drivetrain bolts on a 2011-2014 Volkswagen Passat.

  • Ensure the vehicle is on a flat surface and the parking brake is engaged.
  • Locate the drivetrain bolts requiring torque application.
  • Use a digital torque wrench to apply the specified torque value.
  • For torque-to-yield bolts, use a torque angle gauge to measure the required rotation angle.
  • Double-check all bolts to ensure proper torque has been applied.
View full procedure

Drivetrain Bolt Inspection

Procedure for inspecting drivetrain bolts for wear or damage.

  • Visually inspect all drivetrain bolts for signs of corrosion or damage.
  • Check for any loose bolts using a torque wrench.
  • Replace any bolts that show signs of wear or do not meet torque specifications.
View full procedure
Technical Service Bulletins

Drivetrain Bolt Torque Specification Update

2013-05-15

Updated torque specifications for drivetrain bolts on 2011-2014 Volkswagen Passat models.

2011-2014 Volkswagen Passat

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

Drivetrain Bolt Failure Investigation

2012-08-22

Investigation into reports of drivetrain bolt failures on 2011-2012 Volkswagen Passat models.

2011-2012 Volkswagen Passat

Resolution: Replace affected bolts with updated parts and apply the correct torque specifications as outlined in the service bulletin.

About the Author

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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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