Left Primary Catalytic Converter: Removing
-- On a vehicle with air suspension, activate vehicle lift mode. Refer to VEHICLE LIFT MODE .
All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.
-- Pull rear engine cover off -arrows-.
-- Pull front engine cover off -arrows-.
-- Disconnect electrical connector -2- at Mass Air Flow (MAF) sensor 2 -G246-.
-- Remove left air guide hose -1- from air duct.
-- Release retaining clips -3- and remove upper left section of air filter housing.
-- Disconnect hose -1- to Secondary Air Injection (AIR) pump.
-- Disconnect electrical harness connector -4- at Mass Air Flow (MAF) Sensor -G70-.
-- Remove right air guide hose -3- from air duct.
-- Release retaining clips -2- and remove upper right section of air filter housing from lower section.
Vehicles with air suspension:
If necessary, remove electrical connector for Heated Oxygen Sensor (HO2S) 2 -G108- from bracket at right strut tower for better access.
-- Press circlip -1- forward from hose coupling.
-- Press release ring -2- down -arrows- and remove vent hose -3- from upper part of air filter.
All Vehicles
-- Disconnect vacuum hose -2- to Evaporative Emission (EVAP) canister purge regulator valve -N80- by pressing release button.
-- Free up vacuum hose.
Ignore -1- and -3-.
-- Disconnect electrical harness connector -2- from Evaporative Emission (EVAP) canister purge regulator valve -N80-.
-- Remove Evaporative Emission (EVAP) canister purge regulator valve -N80- -1- from bracket and lay aside.
Ignore -3-.
-- Disconnect the vacuum hose -4-.
Risk of violating emissions legislation.
- Do not open hose connection -2- !
-- Lay the air guide hose aside with the vacuum hose connected.
-- Loosen hose clamp -1- and remove bolts -3-.
-- Remove air guide pipe to right.
-- Remove electrical connectors -3- for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- and -4- for Heated Oxygen Sensor (HO2S) 2 -G108- from bracket on right strut tower.
-- Disconnect electrical connections and free up electrical wiring to Heated Oxygen Sensor (HO2S) 2 -G108- and Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-.
-- Remove screws and remove front -1- and rear -2- noise insulation.
-- Remove bracket for noise insulation -arrows-.
Danger of damaging the decoupling element.
- Decoupling element must not be bent more than 10°.
- Do not load decoupling element on cable.
- Do not damage wire mesh at decoupling element.
-- Separate exhaust system at clamping sleeve -1-.
Ignore -2-.
-- Remove left main catalytic converter bracket bolts -1- and -2-.
-- Remove nuts -arrows- and remove left main catalytic converter.
-- Remove bolts -1- and -2- and remove left primary catalytic converter strap.
-- Remove nuts -1 to 3- and remove left primary catalytic converter.