Engine Oil Control Valve: Service and Repair

Replacing Piston Cooling Valves

Removing the timing belt and mechanical timing belt tensioner
- Remove the timing belt.
- Remove the timing belt tensioner. Remove the idler pulley. Remove the screw securing the inner timing cover to the cylinder head.
- Raise the car.
- Remove the vibration damper.

Removing components

Remove:







- the two screws (1) securing the inner timing cover to the cylinder block
- the lower belt guard at the oil pump housing.

Press the inner timing cover off the flange around the coolant pump. Start at the lower edge of the pump.

Hold the cover out of the way. Remove the piston cooling valve (2) and the seal washer.

Installing components

Install:







- a new piston cooling valve (2) with a new seal washer. Tighten to 35 Nm
- the inner timing cover. First press the cover into place over the flange at the top of the coolant pump. Then press the remaining section of the cover into place over the flange around the pump. Check that the cover is correctly positioned
- the two screws (1) securing the inner timing cover to the cylinder block
- the lower belt guard.

Installing the timing belt

Install:
- the screw securing the inner timing cover to the cylinder head
- idler pulley. Tighten to 25 Nm
- the timing belt tensioner. Screw in the center screw by hand. Ensure that the fork on the tensioner centers above the cylinder block rib. Check that the Allen hole on the eccentric is at "10 O'CLOCK"
- the vibration damper
- the timing belt.