Audi Audi RS5 2017-present Body Panel & Frame Bolt Torque Specifications
Audi Audi RS5 2017-present

Audi Audi RS5 2017-present Body & Frame Bolt Torque Specifications

Detailed torque specifications for various body bolts on the 2017-Present Audi RS5 B9 generation, including front end, rear end, and side panel attachment 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

Front Bumper

This section covers the torque specifications for the front bumper, including the cover, reinforcement, grille, lighting, and license plate holder.

1

Bumper Cover Mounting Bolts (Upper)

M6 x 1.0
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Secures the upper portion of the bumper cover. Estimated value, similar model reference.
2

Bumper Cover Mounting Bolts (Lower)

M6 x 1.0
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Secures the lower portion of the bumper cover. Estimated value, similar model reference.
3

Bumper Impact Bar/Reinforcement Bolts

M12 x 1.75
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Critical for structural integrity, estimated based on bolt size and material. Confirm with service manual.
4

Grille Mounting Screws

M4 x 0.7
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Secures the front grille to the bumper cover. Estimated, low torque for plastic.
5

Fog Light Mounting Screws/Bolts

M5 x 0.8
Torque Value
4 ft-lbs (5 N·m)
Important Notes
Secures fog light assemblies to the bumper cover. Estimated based on component and bolt size.
6

License Plate Holder Screws

M5 x 0.8
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Secures the license plate holder to the bumper cover. Estimated, low torque for plastic.

Front Fenders

Specifications for the front fenders, including bolts attaching them to the body, fender liner, flares, and side marker lights.

1

Fender Mounting Bolts (to body)

M8 x 1.25
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Secures the fenders to the vehicle body. Estimated value, similar Audi models. Check manual.
2

Fender Liner Mounting Screws

M5 x 0.8
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Secures the plastic fender liner to the fender. Estimated, low torque for plastic.
3

Fender Flare Mounting Bolts/Screws

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Attaches the fender flare to the fender. Estimated, use caution with plastic.
4

Side Marker Light Mounting Screws

M4 x 0.7
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Fastens the side marker light assembly. Estimated, low torque for plastic.

Doors

This section details torque values for door hinges, latches, locks, panels, and window regulators.

1

Door Hinge Bolts (to Body)

M10 x 1.5
Important Notes
Critical for door alignment and safety. Estimated based on similar Audi models. Angle torque.
2

Door Hinge Bolts (to Door)

M10 x 1.5
Important Notes
Critical for door alignment and safety. Estimated based on similar Audi models. Angle torque.
3

Door Latch Bolts (to Body)

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensures secure closing and latching of the door. Estimated, similar Audi models.
4

Door Lock Actuator Mounting Bolts

M6 x 1.0
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Fastens the door lock actuator. Estimated, industry standard for door lock actuator.
5

Door Panel Retaining Screws/Clips

M4 x 0.7
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Secures the inner door panel. Estimated, low torque for plastic.
6

Window Regulator Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the window regulator. Estimated, based on similar models, general industry standard.

Rear Bumper

Torque values for the rear bumper cover, impact bar, taillights, reflectors, diffuser, and parking sensors.

1

Bumper Cover Mounting Bolts (Upper)

M6 x 1.0
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Secures the upper portion of the rear bumper cover. Estimated value, similar model reference.
2

Bumper Cover Mounting Bolts (Lower)

M6 x 1.0
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Secures the lower portion of the rear bumper cover. Estimated value, similar model reference.
3

Bumper Impact Bar/Reinforcement Bolts

M12 x 1.75
Torque Value
37 ft-lbs (50 N·m)
Important Notes
Critical for structural safety in rear-end collisions. Estimated, check with manual.
4

Taillight Mounting Screws/Bolts

M5 x 0.8
Torque Value
4 ft-lbs (5 N·m)
Important Notes
Secures the taillight assemblies to the body. Estimated, check with manual.
5

Reflector Mounting Screws

M4 x 0.7
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Secures the reflector to the bumper cover. Estimated, low torque for plastic.
6

Rear Diffuser Bolts/Screws

M6 x 1.0
Torque Value
6 ft-lbs (8 N·m)
Important Notes
Secures the rear diffuser. Estimated, based on similar Audi models.
7

Rear Parking Sensor Mounting Screws

M4 x 0.7
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Secures the parking sensor to the bumper. Estimated, low torque needed.

Trunk Hatch

Torque specifications for the trunk/hatch hinges, latch, struts, and license plate light.

1

Trunk/Hatch Hinge Bolts

M10 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Critical for proper operation and alignment of the trunk/hatch. Estimated.
2

Trunk/Hatch Latch Bolts (to body)

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Ensures proper latching of the trunk/hatch. Estimated based on similar Audi models.
3

Trunk/Hatch Strut Mounting Bolts

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
Secures the gas struts that hold the trunk/hatch open. Estimated.
4

License Plate Light Mounting Screws

M4 x 0.7
Torque Value
1.5 ft-lbs (2 N·m)
Important Notes
Fastens the license plate light. Estimated, low torque for plastic.

Other Body

This section covers torque specifications for side skirts, roof trim, hood components and mirror housings.

1

Side Skirt/Rocker Panel Bolts/Screws

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Secures the side skirt/rocker panel. Estimated, based on similar Audi models.
2

Roof Trim Mounting Bolts/Screws

M5 x 0.8
Torque Value
4 ft-lbs (5 N·m)
Important Notes
Fastens the roof trim pieces. Estimated, based on industry standards, similar models.
3

Hood Hinge Bolts (to body and hood)

M10 x 1.5
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Essential for proper hood alignment. Estimated, similar models, standard M8/M10 size.
4

Hood Latch Mounting Bolts

M8 x 1.25
Torque Value
15 ft-lbs (20 N·m)
Important Notes
The hood latch keeps the hood secured. Estimated based on similar models.
5

Mirror Housing Mounting Bolts

M6 x 1.0
Torque Value
7 ft-lbs (10 N·m)
Important Notes
The mirror housing has to be secured to the door. Estimated, similar models.

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 important to use the correct torque specifications for body bolts?

Using the correct torque is crucial for ensuring the structural integrity of your Audi RS5. Under-tightening can lead to parts loosening, causing rattles, vibrations, or even component failure. Over-tightening can damage bolts, strip threads, or even distort body panels, resulting in costly repairs. Correct torque specifications guarantee proper clamping force, maintaining the designed structural strength and panel alignment.

Q2

What happens if I over-tighten a body bolt?

Over-tightening a body bolt can cause several problems. The bolt or the threads in the receiving component can be damaged (stripped), leading to the bolt no longer holding the pieces properly. In some cases, this can result in needing to replace the damaged component. Additionally, it can stress the panel around the bolt hole, potentially causing deformation or cracking. If you have over-tightened a body bolt it is best to replace it immediately and check the receiving material for damage.

Q3

Can I use a generic torque value for all body bolts?

No, you should never use a generic torque value for all body bolts. Different bolts, even within the same body panel, often have different specifications based on size, material, and location. Incorrect torque values can compromise the safety and structural integrity of the vehicle. Always refer to the specific torque specifications for each bolt found in the manufacturer's service manual or reputable sources.

Q4

Do I need to replace body bolts after removing them?

It depends on the type of bolt. Generally, single-use bolts, especially torque-to-yield bolts, should always be replaced with new ones. These bolts stretch when tightened, and reusing them can cause them to break or loosen and not maintain the proper clamping force. For standard bolts, examine the threads for any damage, and if the condition is questionable, replace it. It is always advisable to use new bolts when reassembling body panels to ensure a secure and reliable connection.

Q5

What tools do I need to properly torque body bolts?

You will need a torque wrench with the correct range, sockets of the appropriate size for your bolts, and often an extension for hard-to-reach areas. Consider a torque angle gauge if the specification calls for a torque angle in addition to the initial torque value. It is important that the torque wrench is accurate, calibrated and in good working order, and that you apply the torque slowly and consistently. When working with body bolts it is often advantageous to use a 1/4 inch drive ratchet for the lower torque bolts as they can be easily over tightened with larger tools.

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 (1/4" Drive)

A precision tool for applying specific torque values to smaller body fasteners.

  • Wide torque range suitable for smaller bolts
  • Audible click indicates desired torque is reached
  • Accurate to within a small percentage
Learn more

Torque Wrench (3/8" Drive)

A versatile torque wrench for medium-sized body fasteners.

  • Suitable for general body panel bolts
  • Ratchet mechanism for efficient operation
  • Durable construction for long service life
Learn more

Torque Wrench (1/2" Drive)

Heavy-duty torque wrench for larger body bolts and critical attachment points.

  • High torque range for larger fasteners
  • Long handle for increased leverage
  • Robust construction to handle high forces
Learn more

Socket Set (Metric)

Comprehensive set of metric sockets for various body bolt sizes.

  • Includes common sizes for Audi body bolts
  • 6-point design for secure grip on fasteners
  • Made from durable alloy steel
Learn more

Extension Bars

Used to extend the reach of sockets for fasteners in recessed areas.

  • Various lengths for different applications
  • Durable steel construction
  • Secure connection with sockets
Learn more

Universal Joint

Allows for sockets to be used at an angle when access is limited

  • Enables access to hard to reach fasteners
  • Smooth movement
  • Durable construction
Learn more

Torque Angle Meter

Used for torque-to-yield fasteners that require both torque and angle tightening

  • Provides accurate degree of rotation
  • Easy to read scale
  • Can be used with any socket
Learn more
Service Procedures

Body Panel Bolt Torque Procedure

A general procedure for correctly tightening body panel bolts on a 2017-Present Audi RS5

  • Consult the vehicle-specific repair manual for the correct torque specification for the bolt in question.
  • Select the appropriate socket and attach it securely to the torque wrench.
  • Apply a light amount of anti-seize compound to the threads of the bolt if applicable (as per the repair manual).
  • Thread the bolt in by hand until it is snug.
  • Position the torque wrench squarely on the fastener. Apply smooth pressure until the wrench clicks, indicating the desired torque is reached. Do not over-tighten.
  • If the fastener requires torque angle, use a torque angle meter following the torque value specification. Do not over-tighten.
  • Repeat the process for all remaining body panel bolts following the pattern described in the manual
View full procedure

Bumper Cover Bolt Torque Procedure

Procedure specific to the front and rear bumper cover bolts of the 2017-Present Audi RS5

  • Locate all bumper cover attachment points and ensure they are clean.
  • Consult the vehicle-specific repair manual for the correct torque specification for each fastener.
  • Thread the bolts or screws by hand until snug.
  • Use the appropriate sized socket and extension as needed to tighten the bumper bolts to the specified value using a calibrated torque wrench.
  • If applicable, tighten fasteners in a crisscross pattern to avoid uneven panel seating.
  • Double check the torque specification on each fastener after the bumper is mounted.
View full procedure

Door Panel Bolt Torque Procedure

Procedure for tightening the bolts of a 2017-Present Audi RS5 door panel assembly

  • Consult the vehicle-specific repair manual for the correct torque specification for the door panel bolts
  • Clean any threads of all bolts before installation.
  • Ensure the door panel is properly aligned and all mounting points are secured before final tightening.
  • Use the correct socket and tightening technique to tighten each of the fasteners to their respective torque specifications. Ensure smooth, even pressure is applied.
  • Visually inspect the door panel alignment for any gaps or irregularities after tightening.
View full procedure
Technical Service Bulletins

Body Panel Alignment Issues After Repair

2020-07-15

This bulletin addresses reports of misaligned body panels and improperly torqued fasteners after collision repair. Often associated with use of incorrect torque settings or tightening sequence.

2017-2020 Audi RS5

Resolution: Verify all body panel bolts are tightened to the specifications outlined in the repair manual using a calibrated torque wrench. Always follow the tightening sequence described in the repair manual. Any fasteners that have been over-torqued or damaged must be replaced.

Corrosion Issues Around Body Panel Fasteners

2021-03-22

This bulletin highlights issues with corrosion around body panel fasteners, caused by improper application of anti-corrosion compounds and incorrect torque application.

2017-2021 Audi RS5

Resolution: Always ensure the correct anti-seize or anti-corrosion compound is applied to the threads of body fasteners as specified in the repair manual. Clean corroded areas before reassembly and verify all bolts are torqued to the specified value. Replace any hardware that exhibits excessive corrosion.

Bumper Cover Separation

2022-11-01

This bulletin details reports of bumper cover separation from the body, often associated with incorrect torque application during reinstallation.

2017-2022 Audi RS5

Resolution: Ensure the bumper cover mounting points are clean and that the cover is correctly aligned before installing fasteners. Follow the factory repair manual for correct torque specifications on all bumper cover attachment points. Verify all fasteners are secure and torqued correctly before releasing the vehicle.

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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