Oil Retension Valves

Oil retention valves, replacing

NOTE: The oil retention valves must be replaced if the valve train sounds noisy on short drives, although the noise may go away on longer drives.

Remove intake manifold.
Remove cover plate beneath intake manifold.






Replace oil retention valves.

Tightening torque

Intake manifold: 20 Nm (15 ft lbs).
Cover: 10 Nm (7 ft lbs).