How to carry out replacement: Spark Plug 3.0 TDI quattro Audi A8 D3
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Change Audi A8 D3 3.2 FSI quattro Spark Plug yourself – manuals and video tutorials

How to change spark plugs on AUDI A8 (4E2, 4E8) – replacement guide

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When to replace the Spark Plug on your AUDI A8
Recommended replacement interval for the part category Spark plug : 6 year / 60000 km
Important!
This replacement procedure can be used for:
AUDI A8 (4E2, 4E8) 3.0, AUDI A8 (4E2, 4E8) 3.0 … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Spark Plug for A8 (4E2, 4E8) and other AUDI models
Alternative products
How to change Spark plug on Audi A8 D3 3.0 TDI quattro – step-by-step instructions for straightforward car repair Spark plug
Tools
Replacement: spark plugs – AUDI A8 (4E_). Tools you might need:
High-temperature anti-seize lubricant
Torque wrench
Spark plug socket # 16
Torx bit T25
Ratchet wrench
Flat screwdriver
Fender cover
Buy tools
Replacement: spark plugs – AUDI A8 (4E_). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – AUDI A8 (4E_). Take the following steps:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Spark Plug on Audi A8 D3 2002 - free PDF and video manuals
    Unscrew the fasteners of the air distribution housing assembly. Use a Phillips screwdriver.
  2. Step 4
    How to replace AUDI A8 (4E2, 4E8) 3.0 TDI quattro 2003 Spark Plug - step-by-step manuals and video guides
    Remove the air distribution housing assembly.
  3. Step 5
    Audi A8 D3 4.2 quattro 2004 Spark Plug replacement: free workshop manuals
    Unscrew the engine cover fastener. Use a flat screwdriver.
  4. Step 6
    Changing Spark Plug on AUDI A8 (4E2, 4E8) 4.0 TDI quattro 2005 by yourself
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – AUDI A8 (4E_). Do not use excessive force when removing the part as this may damage it.
  5. Step 7
    How to remove AUDI A8 S8 5.2 quattro 2006 Spark Plug - online easy-to-follow instructions
    Unscrew the engine cover fastener. Use a flat screwdriver.
  6. Step 8
    How to replace Spark Plug on AUDI A8 (4E2, 4E8) 2007: download PDF manuals and video instructions
    Remove the engine cover.
    Replacement: spark plugs – AUDI A8 (4E_). Professionals recommend:
    Do not apply excessive force when removing the part. Otherwise you may damage it.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Audi A8 D3 6.0 W12 quattro 2008 - download illustrated guide
    Unscrew the fasteners of the coolant reservoir. Use Torx T25. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Spark Plug on AUDI A8 2009? This free workshop manual will help you to do it yourself
    Remove the coolant reservoir.
  9. Step 11
    Changing of Spark Plug on Audi A8 D3 2010 won't be an issue if you follow this illustrated step-by-step guide
    Unscrew the engine cover fastener. Use a flat screwdriver.
  10. Step 12
    AUDI A8 3.2 FSI quattro Spark Plug replacement: online guides and video tutorials
    Remove the engine cover.
    AUTODOC recommends:
    Replacement: spark plugs – AUDI A8 (4E_). To avoid damaging the part when removing it, do not use excessive force.
  11. Step 13
    Replacing Spark Plug on Audi A8 D3 2003 3.0 TDI quattro by yourself
    Remove the spark plug wire connectors from the spark plug wells.
    Replacement: spark plugs – AUDI A8 (4E_). Professionals recommend:
    Be careful to avoid damaging spark plug wires.Remember the sequence of the spark plug wires connectors.
  12. Step 14
    A8 (4E2, 4E8) S8 5.2 quattro 2004 Spark Plug DIY replacement workshop manual
    Clean dirt, dust and debris from inside the spark plug wells.
  13. Step 15
    How to change Spark Plug on AUDI A8 (4E2, 4E8) 2005 - tips and tricks
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  14. Step 16
    Step-by-step recommendations for DIY replacement Audi A8 D3 2006 S8 5.2 quattro Spark Plug
    Take out the spark plugs.
  15. Step 17
    DIY replacement of Spark Plug on AUDI A8 (4E2, 4E8) 4.2 TDI quattro 2007 is not an issue anymore with our step-by-step tutorial
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  16. Step 18
    How to change Spark Plug on Audi A8 D3 2002 - free PDF and video manuals
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  17. Step 19
    How to replace AUDI A8 (4E2, 4E8) 3.0 TDI quattro 2003 Spark Plug - step-by-step manuals and video guides
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 24 nm torque.
    Replacement: spark plugs – AUDI A8 (4E_). AUTODOC experts recommend:
    Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
  18. Step 20
    Audi A8 D3 4.2 quattro 2004 Spark Plug replacement: free workshop manuals
    Install the spark plug wire connectors into the spark plug wells. Make sure you hear a click indicating that it is locked in place.
    Replacement: spark plugs – AUDI A8 (4E_). Tip:
    Follow the installation sequence.
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