How to carry out replacement: Glow Plugs 2.5 TDI quattro Audi A6 C5 Avant
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Change Audi A6 C5 Avant 1.9 TDI Glow Plugs yourself – manuals and video tutorials

How to change glow plugs on AUDI A6 Avant (4B5, C5) – replacement guide

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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 Avant (4B5, C5) 1.9 TDI, AUDI A6 Avant (4B5, C5) 1.9 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

All the parts you need to replace – Glow Plugs for A6 Avant (4B5, C5) and other AUDI models
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Glow plug for A6 C5 Avant (4B5) Diesel (115 hp)
Simple DIY car repair steps – Replacing Glow plug on A6 C5 Avant (4B5)
Glow plug for A6 C5 Avant (4B5) Diesel (130 hp)
Tools
Replacement: glow plugs – AUDI A6 Avant (4B5, C5). Tools you might need:
WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Spark plug socket # 10
Fender cover
Buy tools
Replacement: glow plugs – AUDI A6 Avant (4B5, C5). AUTODOC experts recommend:
  • The replacement procedure is identical for all glow plugs.
  • Wear gloves to protect your hands from hot surfaces.
  • Please note: all work on the car – AUDI A6 Avant (4B5, C5) – should be done with the engine switched off.
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
    How to change Glow Plugs on Audi A6 C5 Avant 1997 - free PDF and video manuals
    Before getting down to work, start the engine and let it warm up to operating temperature.
  2. Step 4
    Shut off the engine.
    Step 5
    How to replace AUDI A6 Avant (4B5, C5) 2.5 TDI quattro 1998 Glow Plugs - step-by-step manuals and video guides
    Detach the glow plug wiring connectors.
  3. Step 6
    Audi A6 C5 Avant 1.9 TDI 1999 Glow Plugs replacement: free workshop manuals
    Treat the glow plugs. Use WD-40 spray.
  4. Step 7
    Changing Glow Plugs on AUDI A6 Avant (4B5, C5) 2.5 TDI 2000 by yourself
    Unscrew the glow plugs. Use the spark plug socket #10. Use a torque wrench.
  5. Step 8
    How to remove AUDI A6 1.8 T 2001 Glow Plugs - online easy-to-follow instructions
    Remove the glow plugs.
  6. Step 9
    How to replace Glow Plugs on AUDI A6 Avant (4B5, C5) 2002: download PDF manuals and video instructions
    Treat the glow plugs. Use high-temperature ceramic grease.
    Please note!
    Do not touch the heating element as fingerprints may cause malfunction.
  7. Step 10
    How hard is it to do yourself: Glow Plugs replacement on Audi A6 C5 Avant 1.8 T quattro 2003 - download illustrated guide
    Install new glow plugs to their mounting seats.
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