When to replace the Glow Plugs on your AUDI A6
Recommended replacement interval for the part category Glow plug : 30000 km
Important!
This replacement procedure can be used for:
AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI quattro, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI, AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI 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: glow plugs – AUDI A6 (4G2, C7, 4GC). Tools you might need:
WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Spark plug socket # 10
Torx bit T27
Ratchet wrench
Flat screwdriver
Needle nose pliers
Fender cover
Replacement: glow plugs – AUDI A6 (4G2, C7, 4GC). AUTODOC experts recommend:
  • The replacement procedure is identical for all glow plugs.
  • Wear gloves to protect your hands from hot surfaces.
  • Replacement: glow plugs – AUDI A6 (4G2, C7, 4GC). Recommended sequence of steps:
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    Before getting down to work, start the engine and let it warm up to operating temperature.
    Step 4
    Shut off the engine.
    Step 5
    How to change Glow Plugs on Audi A6 C7 2010 - free PDF and video manuals
    Unscrew the bracket for the engine pipes. Use Torx T27. Use a ratchet wrench.
  2. Step 6
    How to replace AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TDI 2011 Glow Plugs - step-by-step manuals and video guides
    Detach the engine wiring harness. Use a flat screwdriver.
  3. Step 7
    Audi A6 C7 3.0 TDI quattro 2012 Glow Plugs replacement: free workshop manuals
    Detach the engine wiring harness connectors. Use a flat screwdriver.
  4. Step 8
    Changing Glow Plugs on AUDI A6 Saloon (4G2, 4GC, C7) 2.0 TFSI 2013 by yourself
    Detach the glow plug wiring connectors. Use needle nose pliers.
  5. Step 9
    How to remove AUDI A6 2.0 TDI 2014 Glow Plugs - online easy-to-follow instructions
    Clean dirt, dust and debris from inside the spark plug wells.
  6. Step 10
    How to replace Glow Plugs on AUDI A6 Saloon (4G2, 4GC, C7) 2015: download PDF manuals and video instructions
    Treat the glow plugs. Use WD-40 spray.
  7. Step 11
    How hard is it to do yourself: Glow Plugs replacement on Audi A6 C7 3.0 TDI 2016 - download illustrated guide
    Unscrew the glow plugs. Use the spark plug socket #10. Use a torque wrench.
  8. Step 12
    Need to know how to renew Glow Plugs on AUDI A6 2017? This free workshop manual will help you to do it yourself
    Clean dirt, dust and debris from inside the spark plug wells.
  9. Step 13
    Changing of Glow Plugs on Audi A6 C7 2018 won't be an issue if you follow this illustrated step-by-step guide
    Remove the glow plugs. Use the spark plug socket #10. Use needle nose pliers.
  10. Step 14
    AUDI A6 2.0 TDI Glow Plugs replacement: online guides and video tutorials
    Treat the glow plugs. Use high-temperature ceramic grease.
    Please note!
    Do not touch the heating element as fingerprints may cause malfunction.
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DIY AUDI A6 Saloon (4G2, 4GC, C7) Glow Plugs replacement - online guide
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