Audi Audi Q5 2008-2017 2.0L Engine Bolt Torque Specifications & Fastener Values
Audi Audi Q5 2008-2017

Audi Audi Q5 2008-2017 2.0L Engine Bolt Torque Specifications

Comprehensive guide to the bolt torque specifications for the 2.0L engine found in the 2008-2017 Audi Q5. Includes cylinder head, crankshaft, connecting rod, and other critical fastener torques.

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

Cylinder Head

Torque specifications for cylinder head components, including bolts, cover, and bearing caps. These components are critical for maintaining combustion seal and valve train function.

1

Cylinder Head Bolts

M10
Important Notes
Always replace cylinder head bolts, as they are torque-to-yield. Follow the specified torque sequence carefully.
2

Cylinder Head Cover Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on standard M6 torque specs.
3

Camshaft Bearing Cap Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on similar applications. Follow correct sequence.

Intake Exhaust

Torque specifications for intake manifold, exhaust manifold, downpipe, turbocharger and related components. These components form critical paths for air intake and exhaust gasses.

1

Intake Manifold Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on standard M6 torque specs.
2

Exhaust Manifold Bolts

M8
Torque Value
18 ft-lbs (25 N·m)
3

Exhaust Downpipe Flange Bolts

M10
Torque Value
30 ft-lbs (40 N·m)
4

Turbocharger Mounting Bolts

M10
Torque Value
37 ft-lbs (50 N·m)
5

Turbocharger Oil Feed Line Fitting

Variable - Specific to fitting
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Estimated value, use caution, do not overtighten.
6

Turbocharger Oil Return Line Fitting

Variable - Specific to fitting
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Estimated value, use caution, do not overtighten.

Engine Block

Torque specifications for components mounted to or inside the engine block, including connecting rods, main bearing caps, oil pan, and flywheel.

1

Connecting Rod Bolts

M9/M10
Important Notes
These bolts are torque-to-yield and must be replaced when removed.
2

Main Bearing Cap Bolts

M10
Important Notes
Always replace main bearing cap bolts. Follow the specified torque sequence carefully.
3

Oil Pan Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on standard M6 torque specs.
4

Oil Pump Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on standard M6 torque specs.
5

Flywheel/Flexplate Bolts

M10
Important Notes
Always replace flywheel/flexplate bolts. Follow correct tightening sequence. Torque-to-yield.
6

Crankshaft Pulley Bolt

M18
Important Notes
Replace this bolt when removed. Estimated value, use caution.

Timing System

Torque specifications for components of the engine timing system, including chain tensioner, camshaft sprockets, and crankshaft sprocket.

1

Timing Chain Tensioner Bolt

M8
Torque Value
18 ft-lbs (25 N·m)
2

Camshaft Sprocket Bolt

M12
Important Notes
Torque to yield. Replace bolt when removed. Estimated value, use caution.
3

Crankshaft Sprocket Bolt

M14
Important Notes
Replace bolt when removed. Torque-to-yield. Estimated value, use caution.

Cooling Lubrication

Torque specifications for the components of the cooling and lubrication system, including water pump, thermostat housing, oil filter housing, and oil cooler.

1

Water Pump Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on standard M6 torque specs.
2

Thermostat Housing Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on standard M6 torque specs.
3

Oil Filter Housing Bolts

M6
Torque Value
7 ft-lbs (10 N·m)
Important Notes
Estimated value based on standard M6 torque specs.
4

Oil Cooler Bolts

M8
Torque Value
18 ft-lbs (25 N·m)
Important Notes
Estimated value based on similar M8 applications.

Engine Mounts

Torque specifications for engine mount components, including brackets to the engine and the mount to the vehicle frame.

1

Engine Mount Bracket to Engine Bolts

M10
Torque Value
37 ft-lbs (50 N·m)
2

Engine Mount to Frame Bolts

M12
Torque Value
59 ft-lbs (80 N·m)

Other Fasteners

Torque specifications for other relevant fasteners, such as spark plugs.

1

Spark Plug

Variable - Specific to spark plug
Torque Value
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on standard spark plug torque.

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 are torque specifications so important for engine bolts?

Proper torque ensures a secure and even clamping force, preventing leaks, component damage, and potential engine failure. Over-tightening can strip threads or distort parts, while under-tightening can lead to loosening and leaks due to vibration. Correct torque is crucial for the 2.0L engine's performance and longevity.

Q2

What happens if I overtighten a bolt on the 2.0L engine?

Overtightening a bolt can stretch or break it, damage the threads in the engine block or component, and potentially cause the sealing surface to distort. For example, overtightening cylinder head bolts can lead to head gasket failure. This creates expensive and time-consuming repairs.

Q3

Can I use a torque wrench from another car?

While the function of a torque wrench is universal, accuracy matters. Always ensure your torque wrench is calibrated and within its intended use range. Using an uncalibrated or inappropriate wrench, even if labeled with correct values, can lead to incorrect bolt tightening and subsequent issues specific to the 2.0L engine.

Q4

What if I don't have a torque wrench? Can I just tighten by feel?

Tightening bolts by 'feel' is highly discouraged for critical engine components like those on the 2.0L engine. It's very difficult to accurately gauge torque without the correct tool, and can lead to over- or under-tightening, leading to component damage and potential engine failure. A torque wrench is an essential investment for these repairs.

Q5

Are there any bolts that require specific tightening sequences on the 2.0L engine?

Yes, many components such as the cylinder head, intake manifold, and timing chain components require specific tightening sequences to ensure even pressure. Always consult a repair manual specific to your model year 2.0L Audi Q5 engine for correct sequence details. A general example is a multi-stage tightening process done in a cross-pattern.

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" drive)

A calibrated torque wrench is essential for accurately tightening bolts to specified torque values.

  • Wide torque range suitable for engine components
  • Audible click or digital display for accurate readings
Learn more

Torque Wrench (3/8" drive)

A smaller drive torque wrench for bolts requiring a lower torque value.

  • Suitable for smaller bolts and confined spaces
  • Precise measurements for sensitive components
Learn more

Socket Set (Metric)

A comprehensive set of metric sockets to fit various bolt and nut head sizes used on the 2.0L engine.

  • Variety of sizes to accommodate different components
  • 6-point sockets for better grip and reduced rounding
Learn more

Extension Bars

Various length extension bars to help access bolts in difficult to reach places.

  • Available in a variety of lengths
  • Helps reach hard to access bolts
Learn more

Universal Joint/Swivel Adapter

Allows socket access to bolts that are at an angle, or that are hard to access directly.

  • Provides access to angled fasteners
  • Works with different drive sizes
Learn more
Service Procedures

Cylinder Head Bolt Tightening Procedure (2.0L TFSI)

Procedure for tightening the cylinder head bolts on a 2.0L TFSI engine. Use new bolts each time.

  • Clean the threads of the cylinder head and block.
  • Install new cylinder head bolts by hand.
  • Tighten all bolts in sequence to 40 Nm (30 ft-lbs).
  • Tighten all bolts in sequence again to 60 Nm (44 ft-lbs).
  • Angle tighten all bolts in sequence by 90 degrees.
  • Angle tighten all bolts again in sequence by 90 degrees.
View full procedure

Camshaft Bearing Cap Bolt Tightening Procedure

Procedure for tightening the camshaft bearing cap bolts.

  • Install the camshaft bearing caps and hand-tighten bolts.
  • Tighten all bolts in sequence to 10 Nm (7 ft-lbs).
  • Angle tighten all bolts in sequence by 90 degrees.
View full procedure

Connecting Rod Cap Bolt Tightening Procedure

Procedure for tightening the connecting rod cap bolts.

  • Install new connecting rod bolts.
  • Install the connecting rod caps and hand-tighten bolts.
  • Tighten all bolts in sequence to 30 Nm (22 ft-lbs).
  • Angle tighten all bolts in sequence by 90 degrees.
View full procedure

Crankshaft Main Bearing Cap Bolt Tightening Procedure

Procedure for tightening the crankshaft main bearing cap bolts.

  • Install the main bearing caps and hand-tighten the bolts.
  • Tighten all bolts in sequence to 65 Nm (48 ft-lbs).
  • Angle tighten bolts 1, 3, and 5 by 90 degrees.
  • Angle tighten bolts 2, and 4 by 90 degrees.
View full procedure

Intake Manifold Bolt Tightening Procedure

Procedure for tightening the intake manifold bolts.

  • Install the intake manifold.
  • Install bolts and hand-tighten.
  • Tighten all bolts in sequence to 10 Nm (7 ft-lbs).
View full procedure

Exhaust Manifold Bolt Tightening Procedure

Procedure for tightening the exhaust manifold bolts.

  • Install the exhaust manifold.
  • Install bolts and hand-tighten.
  • Tighten all bolts in sequence to 25 Nm (18 ft-lbs).
View full procedure
Technical Service Bulletins

Engine Oil Consumption on 2.0L TFSI Engines

2013-05-15

Excessive oil consumption reported on certain 2.0L TFSI engines due to piston ring issues.

2009-2011 Audi Q5

Resolution: Perform piston ring replacement procedure as outlined in TSB. Replace PCV valve

Timing Chain Tensioner Failure (2.0L TFSI)

2012-11-20

Potential for timing chain tensioner failure on specific 2.0L TFSI engines, leading to engine damage.

2008-2012 Audi Q5

Resolution: Inspect and replace timing chain tensioner with updated part number. Replace timing chain if needed.

High Pressure Fuel Pump Failure (2.0L TFSI)

2015-02-10

High pressure fuel pump may fail prematurely due to internal wear.

2013-2015 Audi Q5

Resolution: Replace the high pressure fuel pump.

Turbocharger Issues (2.0L TFSI)

2016-08-01

Certain 2.0l engines may experience issues with the turbocharger such as wastegate issues and turbo shaft play.

2012-2016 Audi Q5

Resolution: Inspect for wastegate actuator movement, and inspect turbo shaft for excessive play. Replace the turbocharger if necessary.

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