Checking vacuum unit for exhaust flap — AUDI

🧭 Before you start

Fits: platform code 42

🔧 Engine codes this applies to

📐 20 workshop diagrams for ASN

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Fit protective covers on bodywork .
2. Remove engine compartment trim panel (right-side) (3)53.
3. Detach vacuum hoses (1) (leading to vacuum unit for exhaust flap, left-side) and (3) (leading to vacuum unit, right-side) from T-piece (2).
4. Connect hand vacuum pumpVAS 6213 to corresponding vacuum hose.
5. Remove rear right wheel housing liner 66.

6. Detach vacuum hoses (1) (leading to vacuum unit for exhaust flap, left-side) and (3) (leading to vacuum unit, right-side) from T-piece (2).
7. Connect hand vacuum pumpVAS 6213 to corresponding vacuum hose.
8. Operate hand vacuum pump to produce a vacuum.
9. Vent vacuum pump.
10. If linkage does not move, check linkage for ease of movement and check vacuum unit for leaks.
11. Install engine compartment trim panel 53.
12. Install rear wheel housing liner 66.

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