Removing and installing front exhaust pipes with catalytic converters and front silencers (vehicles with front-wheel drive) — VW

🧭 Before you start

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

Don't miss

• 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.
• 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 from bellow.

🔧 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 J338.
5. Disconnect electrical connectors (1 ... 4) for Lambda probes.

6. Move electrical wiring to Lambda probes clear.
7. Unscrew nuts for front exhaust pipe - accessible from 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 from bellow.]
11. Unbolt bracket for exhaust system (arrows).
12. Remove cross members (A) and (B) for underbody.
13. Separate exhaust system at clamp (1).
14. Now remove front exhaust pipe with Lambda probes from exhaust manifold.

Other VW procedures

• Removing and installing anti-theft engine control unit J623 (with locking plate)
• Assembly overview - exhaust manifold, front exhaust pipe with catalytic converters and front silencers
• Allocation of main bearing shells, from manufacturing date 24.09.12
• Removing and installing camshaft control valve – VW 3.6 · 2 torque figures
• Removing and installing intake manifold upper part · 3 torque figures
• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures