Audi Audi Q5 2017-present DL382 Transmission Transmission Torque Specifications & Bolt Torque Values
Audi Audi Q5 2017-present

Audi Audi Q5 2017-present DL382 Transmission Torque Specifications

Detailed torque specifications for all bolts related to the DL382 transmission found in the 2017-Present Audi Q5. Includes bolt sizes, locations, and tightening procedures.

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 Housing

Torque specifications for bolts securing the main transmission housing.

1

Main Housing Bolts (Smaller)

M8 x 1.25
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Secures main housing halves. Proper torque is essential for a leak-free seal and structural integrity.
2

Main Housing Bolts (Larger)

M10 x 1.5
Torque Value
44 ft-lbs (60 N·m)
Important Notes
Reinforces the main transmission housing. Critical for handling stress from internal components and preventing leaks.

Mechatronic Unit

Torque specifications for bolts securing the Mechatronic unit (TCU) to the transmission housing.

1

Mechatronic Unit Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the Mechatronic unit to the transmission. Correct torque is critical for proper electronic operation and preventing damage.

Fluid Plugs

Torque specifications for the transmission fluid drain and fill plugs.

1

Transmission Fluid Drain Plug

M18 x 1.5
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Seals the drain plug to prevent fluid leaks. Use a new sealing washer for proper sealing.
2

Transmission Fluid Fill Plug

M18 x 1.5
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Seals the fill plug after adding fluid. Use a new sealing washer for proper sealing.

Transmission Mounts

Torque specifications for bolts securing the transmission mounts to the transmission housing and chassis.

1

Transmission Mount Bolts to Transmission Housing

M10 x 1.5
Torque Value
48 ft-lbs (65 N·m)
Important Notes
Connects the transmission to the vehicle's chassis via the mount. Correct torque is vital to secure the powertrain and minimize vibrations. Value estimated, verify with service manual diagrams.
2

Transmission Mount Bolts to Chassis

M10 x 1.5
Torque Value
48 ft-lbs (65 N·m)
Important Notes
Secures the transmission mount to the vehicle's body. These bolts are critical for transferring powertrain vibrations and keeping the transmission securely attached. Value estimated, verify with service manual diagrams.

Speed Sensors

Torque specifications for bolts securing the input and output shaft speed sensors.

1

Input Shaft Speed Sensor Bolt

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the speed sensor in place. Proper torque is critical for sensor functionality.
2

Output Shaft Speed Sensor Bolt

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the output shaft speed sensor. Proper torque is critical for sensor functionality.

Cooler Lines

Torque specifications for bolts securing the transmission cooler lines.

1

Transmission Cooler Line Bolts (Banjo Bolts)

M8 x 1.25
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Secures transmission cooler lines to the housing. Usually uses crush washers that should be replaced. Ensure proper seal to prevent leaks.

Oil Pump

Torque specifications for bolts securing the transmission oil pump.

1

Transmission Oil Pump Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the transmission oil pump. Tighten in a cross pattern to prevent warping of the pump housing. Consult specific service manual for sequence. Value estimated.

Dual Clutch Housing

Torque specifications for bolts securing the dual clutch housing.

1

Dual Clutch Housing Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Holds the dual clutch assembly together. Proper torque ensures proper clutch engagement and disengagement. Value estimated.

Bellhousing

Torque specifications for bolts securing the bell housing to the engine and transmission.

1

Bell Housing Bolts (Engine Side)

M10 x 1.5
Torque Value
44 ft-lbs (60 N·m)
Important Notes
Connects the transmission to the engine block. Critical for alignment and preventing vibrations.
2

Bell Housing Bolts (Transmission Side)

M10 x 1.5
Torque Value
44 ft-lbs (60 N·m)
Important Notes
Forms rigid connection between engine and transmission, ensuring proper alignment and preventing leaks.

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 is it critical to use the correct torque specifications for the DL382 transmission bolts?

Using incorrect torque can lead to several serious issues. Under-torquing can cause bolts to loosen over time due to vibration and thermal expansion, leading to fluid leaks, component misalignment, or even catastrophic failure of the transmission. Over-torquing can stretch or break bolts, damage the transmission housing threads, or cause excessive stress on components, also leading to failure. It is crucial for the longevity and safe operation of the DL382 transmission.

Q2

What happens if I reuse torque-to-yield (TTY) bolts on the DL382 transmission?

Torque-to-yield (TTY) bolts are designed to stretch a specific amount when tightened. Reusing them means they are already stretched, and will not provide the clamping force they are designed for, even if torqued to the specified value. This can lead to improper clamping, bolt failure, fluid leaks, and potential damage to the transmission. Always replace TTY bolts on the DL382 with new ones.

Q3

Do I need special tools for torquing DL382 transmission bolts?

Yes, a calibrated torque wrench is essential for achieving the correct torque. Some DL382 bolts might also require specific sockets or extensions. Depending on the repair, an angle gauge might also be necessary for torque-angle specifications. It is always recommended to use quality tools to ensure accurate tightening and avoid damage to the bolts or transmission.

Q4

Are there any specific steps to follow when torquing bolts on the DL382 transmission?

Yes, always follow the manufacturer's specified torque sequence. Typically, this involves tightening bolts in a cross-pattern or a specific sequence of stages to ensure even clamping pressure. Also, adhere to the specific type of torque specification, for example, a specific torque setting, or torque setting followed by additional angle-tightening. Always refer to the repair manual for the exact steps for the specific components you are working on.

Q5

How often should I check the DL382 transmission bolt torque?

Under normal operating conditions, you don't need to routinely check the torque on transmission bolts. However, if the transmission has been recently disassembled, reassembled, or if you notice fluid leaks, or unusual noises, it's good practice to check the torque according to the repair manual's recommended schedule. If a leak is related to loose bolts, ensure the bolts are retightened according to factory specifications. A proper inspection will help ensure everything is working as intended.

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 inch drive)

A calibrated torque wrench is essential for applying precise torque to transmission bolts.

  • Adjustable torque settings
  • Click-type or digital readout
  • Measures in Newton-meters (Nm)
Learn more

Torque Wrench (3/8 inch drive)

A smaller torque wrench is useful for the smaller sized bolts in the dl382 transmission.

  • Adjustable torque settings
  • Click-type or digital readout
  • Measures in Newton-meters (Nm)
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets, including various sizes for the DL382 transmission bolts.

  • Various sizes for common bolt heads
  • 6-point or 12-point sockets for secure grip
  • Durable construction
Learn more

Extension Bars

Extension bars of various lengths are helpful for reaching bolts in tight spaces within the transmission tunnel.

  • 1/2 inch drive and 3/8 drive extensions
  • Different lengths for access
  • Durable material
Learn more

Universal Joint

A universal joint can help access bolts at angles that are otherwise difficult to access.

  • 1/2 inch drive and 3/8 drive options
  • Allows rotation
  • Durable material
Learn more
Service Procedures

DL382 Transmission Mounting Bolt Torque Procedure

Procedure for torquing the bolts that secure the DL382 transmission to the vehicle.

  • 1. Locate the transmission mounting bolts, consulting the appropriate service manual for specific locations.
  • 2. Using the correct size socket, ensure the bolts are initially hand-tightened.
  • 3. Refer to the torque specification (typically provided as 40 Nm + 90 degrees for transmission mounting bolts and 20Nm for case bolts ).
  • 4. Using a calibrated torque wrench, torque each bolt to the specified initial torque (40 Nm).
  • 5. Using a torque wrench, angle torque each bolt by 90 degrees.
  • 6. Double-check all bolts for proper torque using the torque wrench.
  • 7. Always replace any torque-to-yield hardware on any disassembly.
View full procedure

DL382 Mechatronic Unit Bolt Torque Procedure

Procedure for torquing the bolts securing the mechatronic unit to the transmission case.

  • 1. Locate all the mechatronic unit bolts, consulting a specific service manual is advised.
  • 2. Using the correct size socket, ensure the bolts are initially hand-tightened.
  • 3. Refer to the torque specification (typically provided as 8 Nm).
  • 4. Using a calibrated torque wrench, torque each bolt to the specified torque.
  • 5. Double-check all bolts for proper torque using the torque wrench.
View full procedure

DL382 Oil Pan Bolt Torque Procedure

Procedure for torquing the bolts securing the transmission oil pan to the transmission case.

  • 1. Locate all the oil pan bolts, consulting a specific service manual is advised.
  • 2. Using the correct size socket, ensure the bolts are initially hand-tightened.
  • 3. Refer to the torque specification (typically provided as 20Nm).
  • 4. Using a calibrated torque wrench, torque each bolt to the specified torque.
  • 5. Double-check all bolts for proper torque using the torque wrench.
View full procedure
Technical Service Bulletins

Potential Bolt Loosening on DL382 Transmissions

2019-05-15

A bulletin addressing instances of transmission mounting bolts loosening over time. This is most commonly seen after repair or service.

2017-2019 Audi Q5, Q7

Resolution: Re-torque all transmission mounting bolts to the specified values and inspect on subsequent servicing. Replace any torque to yield bolts on any disassembly.

Mechatronic Unit Bolt Torque Sensitivity

2021-03-20

Bulletin warning of the sensitivity of mechatronic unit bolts and the importance of proper torque procedures. Over torque can cause unit damage or case damage.

2017-2021 Audi Q5, A4, A5, Q7

Resolution: Use a properly calibrated torque wrench and follow the specified torque procedure precisely.

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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  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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