Camshaft Position Sensor: Service and Repair

Camshaft Position Sensor G40

Removing

- Remove the engine cover. Refer to => [ Engine Cover ] Engine Cover.

- Remove the fuel filter and the auxiliary fuel pump. Refer to => [ Auxiliary Fuel Pump V393 (In-Line Electric Fuel Pump) ] Auxiliary Fuel Pump V393 (In-Line Electric Fuel Pump).

- Disconnect the connector from the engine coolant temperature sensor on radiator outlet.

- Open the clips - arrows - and remove the toothed belt guard.






- Remove the right front wheel housing liner.

- Remove the ribbed belt. Refer to => [ Ribbed Belt ] Ribbed Belt.

- Remove the vibration damper.

- Rotate the engine to Top Dead Center (TDC) and secure the crankshaft toothed belt gear using the crankshaft stop (T10050). Push the crankshaft stop from the front side of the toothed belt gear into the teeth. The toothed gear must be in the "12 o'clock" position.






• The marks on the crankshaft toothed belt gear - 2 - and the crankshaft stop (T10050) - 1 - must align. The pin on the crankshaft stop (T10050) must engage in the hole on the sealing flange.

- Loosen the camshaft gear bolts - 1 -.






- Loosen the coolant pipe bolt - 1 - and then the high pressure pump toothed belt gear bolts - 2 -.






- Loosen the nut - 1 - for the tensioner and rotate the tensioner eccentric pulley counterclockwise - arrow - using the special wrench, long reach (T10264) until it is possible to lock the tensioner using the locking tool (T10265).






- Now, rotate the tensioner eccentric pulley clockwise - arrow - all the way and tighten the nut - 1 - by hand.






- Remove the toothed belt from the idler roller and the high pressure pump.

- Disconnect the Camshaft Position (CMP) sensor connector - arrow -.






- Remove the connector from the mount.

- Remove the CMP sensor - arrow -.






- Remove the ribs, using a screwdriver and remove the cover for the repair opening - arrows -.






- Remove the CMP sensor from the cylinder head and guide the connector through the opening in the toothed belt guard.

Installing

Installation is performed in the reverse order. When doing this note the following:

• Seal the hole in the toothed belt guard with a rubber plug. Refer to the Parts Catalog.

- Mount the toothed belt and adjust the valve timing. Refer to => [ Toothed Belt ] Toothed Belt.