FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

SCR Catalytic Converter






SCR Catalytic Converter

Removing

- On a vehicle with air suspension, activate vehicle lift mode.

- Disconnect the exhaust system at the clamping sleeve - arrows -.






- Remove NOX sensor 2 (G687) - 3 -.

- Disconnect the connector - 5 -.






- Loosen the clamp - arrow - and remove the reducing agent injector (N474).

- Move the nuts - 1 - and bolts - 2 - and - 4 - and remove the SCR catalytic converter.

Installing

Install in reverse order of removal. Note the following:

For the correct tightening specifications, refer to => [ Muffler Overview ] Service and Repair.

- Install the reducing agent injector. Refer to => [ Reducing Agent Injector (N474) ] Reducing Agent Injector (N474).

- Install the NOx sensor 2.

- On a vehicle with air suspension, deactivate vehicle lift mode.