How to carry out replacement: Spark Plug 3.0 TDI quattro Audi A6 C6 Avant
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Change Audi A6 C6 Avant 2.0 TFSI Spark Plug yourself – manuals and video tutorials

How to change spark plugs on AUDI A6 Avant (4F5, C6) – replacement guide

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When to replace the Spark Plug on your AUDI A6
Recommended replacement interval for the part category Spark plug : 6 year / 90000 km
Important!
This replacement procedure can be used for:
AUDI A6 Avant (4F5, C6) 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

All the parts you need to replace – Spark Plug for A6 Avant (4F5, C6) and other AUDI models
Alternative products
How to change Spark plug on Audi A6 C6 Avant 3.0 TDI quattro – step-by-step instructions for straightforward car repair Spark plug
Tools
Replacement: spark plugs – AUDI A6 Avant (4F5, C6). Tools you'll need:
High-temperature anti-seize lubricant
Electronic spray
Spark plug socket # 16
Ratchet wrench
Torque wrench
Crow bar
Fender cover
Buy tools
Replacement: spark plugs – AUDI A6 Avant (4F5, C6). Professionals recommend:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – AUDI A6 Avant (4F5, C6). 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 C6 Avant 2005 - free PDF and video manuals
    Remove the engine cover.
  2. Step 4
    How to replace AUDI A6 Avant (4F5, C6) 3.0 TDI quattro 2006 Spark Plug - step-by-step manuals and video guides
    Unplug the connectors from the ignition coils.
  3. Step 5
    Audi A6 C6 Avant 2.7 TDI 2007 Spark Plug replacement: free workshop manuals
    Raise a little the wiring of the ignition coils and move it aside.
  4. Step 6
    Changing Spark Plug on AUDI A6 Avant (4F5, C6) 2.0 TFSI 2008 by yourself
    Pry up the ignition coil (4 pieces). Use a crowbar.
  5. Step 7
    How to remove AUDI A6 2.7 TDI quattro 2009 Spark Plug - online easy-to-follow instructions
    Take out the ignition coils from the spark plug wells.
    Replacement: spark plugs – AUDI A6 Avant (4F5, C6). Tip:
    Remember the sequence of steps for ignition coil demounting.
  6. Step 8
    How to replace Spark Plug on AUDI A6 Avant (4F5, C6) 2010: download PDF manuals and video instructions
    Clean dirt, dust and debris from inside the spark plug wells.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Audi A6 C6 Avant 2.7 TDI 2011 - download illustrated guide
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  8. Step 10
    Need to know how to renew Spark Plug on AUDI A6 2005? This free workshop manual will help you to do it yourself
    Take out the spark plugs.
  9. Step 11
    Changing of Spark Plug on Audi A6 C6 Avant 2006 won't be an issue if you follow this illustrated step-by-step guide
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs. Treat the surface of the terminals of the new spark plugs. Use high-temperature grease.
  10. Step 12
    AUDI A6 2.0 TFSI Spark Plug replacement: online guides and video tutorials
    Install the new spark plugs into their mounting seats.
  11. Step 13
    Replacing Spark Plug on Audi A6 C6 Avant 2008 3.0 TDI quattro by yourself
    Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 25 nm torque.
    Replacement: spark plugs – AUDI A6 Avant (4F5, C6). AUTODOC recommends:
    Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. 
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