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How to change glow plugs on AUDI A6 Saloon (4B2, C5) – replacement guide
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Recommended replacement interval for the part category Glow plug : 30000 km
Important!
This replacement procedure can be used for:
AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, C5) 1.9 TDI … View more
The steps may slightly vary depending on the car design.
AUDI A6 Saloon (4B2, C5) 1.9 TDI, AUDI A6 Saloon (4B2, 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 Saloon (4B2, C5) and other AUDI models
Glow plug
Alternative products

WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Spark plug socket # 10
Fender cover
Replacement: glow plugs – AUDI A6 (4B2, 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 (4B2, C5) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Before getting down to work, start the engine and let it warm up to operating temperature.
- Step 4Shut off the engine.Step 5Detach the glow plug wiring connectors.
- Step 6Treat the glow plugs. Use WD-40 spray.
- Step 7Unscrew the glow plugs. Use the spark plug socket #10. Use a torque wrench.
- Step 8Remove the glow plugs.
- Step 9Treat the glow plugs. Use high-temperature ceramic grease.Please note!Do not touch the heating element as fingerprints may cause malfunction.
- Step 10Install new glow plugs to their mounting seats.
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