Camshaft Timing Chain, Removing From Camshafts, Cylinder Bank 2 (Left): Removing
-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .
-- Remove the fan shroud. Refer to FAN SHROUD, REMOVING AND INSTALLING .
-- Loosen the clamps -1 and 2- and remove the air duct hose (Shown on the right).
-- Remove the left lower air duct pipe on the turbocharger. Refer to LOWER AIR DUCT PIPE ON TURBOCHARGER, REMOVING AND INSTALLING .
-- Free up the vacuum line -3- on the wiring duct.
-- Disconnect the connectors and free them up:
1 -
Oil Pressure Sensor -G10-
2 -
Map Controlled Engine Cooling Thermostat -F265-
6 -
Recirculation Valve, Bank 2 -N626-
9 -
Oil Pressure Regulation Valve -N428-
-- Disconnect the connector -5- for the Tank Ventilation Pressure Sensor 2 -G951- and free up the wire on the wiring duct.
-- Remove the connector -8- for the Oxygen Sensor 1 Before Catalytic Converter -GX10- from the bracket and disconnect and free up the wire.
-- Remove the bolts -4- and unclip the wiring duct from the bracket -arrow-.
-- Push the wiring duct upward and disconnect the connector -7- for the Engine Temperature Sensor -G407-.
-- Disconnect the connector for the Camshaft Position Sensor 4 -G301- -item 3-.
-- Remove the bolts -arrows- to do so slightly lift the noise insulation on the camshaft bearing cap.
-- Remove the oil dipstick tube -2-.
-- Seal the opening with thoroughly clean plus from the Engine Bung Set:VAS 6122 .
-- Free up the vacuum lines and remove the bracket -4-.
-- Remove the bolts -arrows- and bracket -1- for the wiring duct.
All additional procedures are described under: CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .