Operation CHARM: Car repair manuals for everyone.

Catalytic Converter With Front Exhaust Pipe



Catalytic Converters With Front Exhaust Pipe (Passat)

Removal
- Remove air filter.







- Disconnect heated oxygen sensor harness connector - arrow - and free up cable.







- From above, remove nuts - arrows - on the front exhaust pipe connection to the turbocharger.
- Remove nuts accessible from below from front exhaust pipe to the turbocharger connection.







- Remove nuts - arrows - and slightly pull the vehicle floor cover downward.

Engine Code CCTA







- Disconnect electrical connector - arrow - on the right side of the underbody.
- Remove electrical connector out of the bracket and free up the electrical wire to the oxygen sensor.

Engine Code CBFA







- Unclip wires - arrows -, remove the bracket - 2 - and disconnect connectors - 1 and 3 -.

All







- Remove exhaust system bracket - arrows -.







- Remove front cross member for the vehicle floor - arrows -.

CAUTION: Risk of damaging decoupling elements. Do not bend decoupling element in front exhaust pipe more than 10 degrees.

- Loosen clamping sleeve - 1 - and push it rearward.
- Remove catalytic converters with the front exhaust pipe.

Installation
Installation is in reverse order of removal, noting the following:
- Coat turbocharger stud bolts with hot bolt paste G 052 112 A3.
- Replace gaskets and self-locking nuts.
- Install exhaust system free of stress.

Tightening Specifications

Component Nm
Tunnel bridge to body 25