SCR Catalytic Converter
Removing
-- On a vehicle with air suspension, activate vehicle lift mode. Refer to the appropriate service information .
-- 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 .
-- Install the reducing agent injector. Refer to Reducing Agent Injector -N474- .
-- Install the NOx sensor 2. Refer to Removal and Installation .
-- On a vehicle with air suspension, deactivate vehicle lift mode. Refer to the appropriate service information .