Table of contents: Removal ↓ Installation ↓
Removal
Remove the sound insulation. Unscrew all the nuts "arrows" of the threaded connections of the exhaust system to the turbocharger. The detachable element must not be bent more than 10°. Risk of damage!
Support the detachable element with the "T40035" retainer.
Unscrew the heat shield of the exhaust system "arrows".
On vehicles with a disconnectable exhaust system, loosen the nuts of the fastening sleeve "4" and move the fastening sleeve back to disconnect the exhaust system. On vehicles with a non-disconnectable exhaust system, cut the exhaust pipe at a right angle at connector "2" using the VAS 6254 chain pipe cutter. Ignore items "1" and "3".
Remove the "arrow" mounting lugs and remove the catalytic converter.
Installation
Installation is in reverse order, in which case it is necessary to replace the seals and self-locking nuts.
When installing, install the fastening sleeve "4" between the marks "1 and 3".
Install the fastening sleeve so that the bolts are horizontal. The threaded connection faces downwards. The bolt thread faces the left side of the car.
Tightening torques:
- Catalyst to turbocharger: 25 Nm 1) 2)
- Securing sleeve: 23 Nm
1) Replace the nuts.
2) Lubricate the threads and the seating surface of the bolt heads with thermal thread varnish.