Removing and installing temperature sender before particulate filter G506 — AUDI

🧭 Before you start

Fits: Audi A6 C6 (4F, 2004–2011)

• Renewed: gaskets

Don't miss

• The temperature sender before particulate filter G506 is removed LATER.Disregard (item 1).
• When installing, make sure that temperature sender before particulate filter G506 is positioned parallel to flange area of particulate filter.

🔧 Engine codes this applies to

📋 Procedure

1. Pull dipstick (1) out of guide tube.
2. Pull off engine cover panel (arrows).
3. Re-insert dipstick in guide tube.
4. Remove bolts (arrows).
5. Remove air ducts (1) and (2).

6. Release two retaining clips (arrows) and detach top section of air cleaner housing.
7. Unplug electrical connector (1) at air mass meter G70.
8. Loosen hose clip (4) to remove air intake hose.
9. If fitted, disconnect vacuum hose (2) and lift vacuum unit (3) together with air flap off air cleaner housing.
10. Disengage bottom section of air cleaner housing from retaining pin and remove.
11. Slacken temperature sender before particulate filter G506(item 2). [Note: The temperature sender before particulate filter G506 is removed LATER.Disregard (item 1).]
12. Remove front exhaust pipe .
13. Open quick-release fasteners (2) and remove rear noise insulation.
14. Take electrical connector (2) for temperature sender before particulate filter G506 out of bracket.
15. Unplug electrical connector and move wiring clear.
16. Unscrew securing nuts connecting turbocharger to particulate filter (1 ... 3) and push particulate filter slightly towards the rear.
17. Detach temperature sender before particulate filter G506. [Note: Renew gaskets and self-locking nuts.Fit all heat insulation sleeves in the original position when installing.Secure all hose connections with the correct type of hose clips (same as original equipment) Parts catalogue.Fit all cable ties in the original positions when installing.]
18. When installing, make sure that temperature sender before particulate filter G506 is positioned parallel to flange area of particulate filter.
19. Install front exhaust pipe .
20. Align exhaust system so it is free of stress .

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