Removing and installing front exhaust pipes with catalytic converters and front silencers — VW

🧭 Before you start

Fits: VW Passat CC (357, 2008–2012); platform code 1F7

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• Remove air filter housing with connecting hose. To do this, unscrew bolt (A), pull off connector (B) and detach spring-type clip (C). Note marking (D) when reinstalling.

🔧 Engine codes this applies to

📋 Procedure

1. Pull off cover (1) for air duct. Disengage locking clasps on side to do this.
2. Unclip air duct (2).
3. Remove air filter housing with connecting hose. To do this, unscrew bolt (A), pull off connector (B) and detach spring-type clip (C). Note marking (D) when reinstalling.
4. Remove throttle valve module.
5. Separate electrical connectors (1) and (2) for Lambda probe G39 and Lambda probe 2G108.

6. Move electrical wiring to Lambda probes clear.
7. Unscrew nuts for front exhaust pipe (accessible for above) from exhaust manifolds (arrows).
8. Remove middle noise insulation.
9. Remove drive shaft protection for right drive shaft.
10. Unscrew nuts for front exhaust pipe (accessible from below) from exhaust manifolds (arrows). [Note: The flexible joint in the front exhaust pipe must not be bent by more than 20° - risk of damage. To remove, ask for the assistance of a second mechanic.An approx. 600 mm long extension is required to unscrew nuts which are accessible from below.]
11. Remove 3 bolts of underbody cover on right (arrows).
12. Separate electrical connectors for Lambda probe after catalytic converter G130(1) and Lambda probe 2 after catalytic converter G131(2) on vehicle underbody.
13. Move electrical wiring to Lambda probes clear.
14. Unbolt bracket for exhaust system (arrows).
15. Remove cross members (A) and (B) for underbody.
16. Separate exhaust system at clamp (1).
17. Now disconnect front exhaust pipes with catalytic converters and front silencers from exhaust manifolds.

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