3314325 - 1080B65 catalytic converter assembly r r (Automatic transmission)

Removing ( Refitting ) Place the vehicle on a ramp. Proceed with the removal  - 7055B54  under-engine guard - r r . 1. Undo the bolt (1a) and remove the collar (1b) connecting the exhaust pipes between preconverters and catalytic converter.
1. Release the electrical wiring for the right rear Lambda sensor for the catalytic converter from the fastening.2. Unscrew the right rear lambda sensor and move towards the catalytic converter so it does not get in the way of subsequent operations.
1. Release the electrical wiring for the rear Lambda sensor for the catalytic converter from the underbody fastenings.2. Unscrew the left rear lambda sensor and move towards the catalytic converter so it does not get in the way of subsequent operations.
1. Undo the nuts (1a) and disconnect the exhaust pipes betwen catalytic preconverter and catalytic converter (1b), catalytic preconverter side.2. Unscrew bolts (2a), disconnect catalytic converter unit (2b) from the central exhaust silencer and remove.Remove the gaskets.
Refitting ( Removing ) 1. Refit catalytic converter unit (1a) with gaskets in its seat, then tighten bolts (1b) and nuts (1c) to the specified torque.

FasteningComponentØValue(daNm)
1b----

FasteningComponentØValue(daNm)
1c----
1. Place the rear Lambda sensor for the catalytic converter back in its housing and tighten it to the recommended torque.

FasteningComponentØValue(daNm)
1----
2. Secure the electrical wiring for the left rear Lambda sensor to the catalytic converter to the underbody connections.
1. Place the right rear Lambda sensor for the catalytic converter back in its housing and tighten it to the recommended torque.

FasteningComponentØValue(daNm)
1----
2. Secure the electrical wiring for the right rear Lambda sensor to the catalytic converter to the underbody fastenings.
Replace the exhaust pipe connection collar between preconverters and catalytic converter and secure with a bolt. Proceed with the refitting  - 7055B54  under-engine guard - r r . Remove the car from the ramp.