porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Intake Manifold > < Oil Pressure Relief Valve - Identification & Application
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Oil Pressure Regulator Valve: Service and Repair

Removing and installing the pressure reducing valve 

1 -  Set screw
2 -  Pressure reducing valve
3 -  0-ring
4 -  0-ring

1. 

Remove the cylinder head cover and undo the set screw by 2 turns.

2. 

Ease the pressure reducing valve out of the seat with a screwdriverand take out upwards.

3. 

Replace the 0-rings and apply a light film of oil before installation.

4. 

Tighten the set screw carefully until you can feel the stop, then turn back by 45° The screw must not be loose. (Microencapsulated, renew if
necessary).

Intake Manifold > < Oil Pressure Relief Valve - Identification & Application