Removing and installing control pipe for pressure sensors — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

Don't miss

• Disregard (item 1).

🔧 Engine codes this applies to

📋 Procedure

1. Remove engine cover panel .
2. Remove pressure differential sender G505(2).
3. Detach heat insulation sleeve and remove exhaust gas pressure sensor 1G450(3).
4. Detach clamp (1)
5. Remove noise insulation (1)66.

6. Detach clamp (2), unscrew bolts (1) and take out filter.
7. Disconnect control pipe (2) from exhaust pipe behind particulate filter.
8. Remove nuts (2). [Note: Disregard (item 1).]
9. Remove bolt (4) and move particulate filter towards rear.
10. Slacken nut (2) only until control pipe is loose.
11. Guide out and remove control pipe.
12. Install in reverse order. [Note: Before installing, blow out control pipes to particulate filter towards particulate filter with compressed air (pipes can become obstructed or may ice up due to condensation).Make sure that hoses are securely fitted and seal properly.]

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