Removing The Timing Belt: Preparation

Remove 

• the screw holding the engine stabilizer brace to the bracket on the engine
• the screws holding the engine stabilizer brace to the suspension turrets
• the engine stabilizer brace.

Applies only to B6xx4T engines: 

Remove the plastic pipes between the turbocharger (TC) and charge air cooler (CAC) and between the air cleaner (ACL) and turbocharger (TC). Put them to one side.

Remove the clamp from the intake manifold for the turbocharger (TC) for cylinders 1, 2 and 3. Turn the upper section of the pipe towards the bulkhead.

Relieve the load from the belt tensioner. Remove the auxiliaries belt.

Remove the upper timing belt cover.

Remove the front timing belt cover.

For cars with chassis numbers 203779-  , see Timing cover front, replacing .

Lift up the servo reservoir and place it on top of the engine.

Seal the hose between the expansion tank and the radiator. Disconnect the hose at the tank.

Lift up the expansion tank and place it on top of engine.

Raise the car.

Remove 

• the right front wheel
• the plastic nuts on the cover in the wing liner.

Install the upper timing belt cover.

Turn the crankshaft clockwise until the markings on the crankshaft and camshaft pulleys correspond.

Turn the crankshaft a further 1/4 turn clockwise.

Then turn back counter-clockwise until the markings correspond.

Remove the upper timing belt cover.

Remove the 4 vibration damper screws. Counterhold the crankshaft central nut.

Remove 

• the vibration damper
• the auxiliaries belt
• the belt cover behind the crankshaft pulley for the auxiliaries belt.

Spray universal oil or similar around the rubber sleeve on the underside of the oil pump.

Remove the rubber sleeve.