When to replace the Spark Plug on your AUDI A6
Recommended replacement interval for the part category Spark plug : 6 year / 60000 km
Important!
This replacement procedure can be used for:
AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI quattro, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI quattro, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI Hybrid, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI 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

Tools
Replacement: spark plugs – AUDI A6 (4G2, C7, 4GC). Tools you might need:
High-temperature anti-seize lubricant
Torx bit T30
Spark plug socket # 16
Ratchet wrench
Torque wrench
Telescoping magnet
Fender cover
Replacement: spark plugs – AUDI A6 (4G2, C7, 4GC). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • Please note: all work on the car – AUDI A6 (4G2, C7, 4GC) – should be done with the engine switched off.
Replacement: spark plugs – AUDI A6 (4G2, C7, 4GC). 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 A6 C7 2010 - free PDF and video manuals
    Remove the engine cover.
    Replacement: spark plugs – AUDI A6 (4G2, C7, 4GC). Tip:
    Raise the engine cover, holding it on two sides simultaneously.Do not apply excessive force when removing the part. Otherwise you may damage it.
  2. Step 4
    How to replace AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI 2011 Spark Plug - step-by-step manuals and video guides
    Unscrew the fasteners of the ignition coil harness retainer. Use Torx T30. Use a ratchet wrench.
  3. Step 5
    Audi A6 C7 3.0 TDI quattro 2012 Spark Plug replacement: free workshop manuals
    Unplug the connectors from the ignition coils.
  4. Step 6
    Changing Spark Plug on AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI 2013 by yourself
    Take out the ignition coils from the spark plug wells.
    Replacement: spark plugs – AUDI A6 (4G2, C7, 4GC). AUTODOC recommends:
    Remember the sequence of steps for ignition coil demounting.
  5. Step 7
    How to remove AUDI A6 2.0 TDI 2014 Spark Plug - online easy-to-follow instructions
    Clean dirt, dust and debris from inside the spark plug wells.
  6. Step 8
    How to replace Spark Plug on AUDI A6 Saloon (4G2, 4GC, C7) 2015: download PDF manuals and video instructions
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Audi A6 C7 3.0 TDI 2016 - download illustrated guide
    Take out the spark plugs. Use a telescoping magnet.
  8. Step 10
    Need to know how to renew Spark Plug on AUDI A6 2017? This free workshop manual will help you to do it yourself
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  9. Step 11
    Changing of Spark Plug on Audi A6 C7 2018 won't be an issue if you follow this illustrated step-by-step guide
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
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DIY AUDI A6 Saloon (4G2, 4GC, C7) Spark Plug replacement - online guide
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