2007 Liberty KJ Factory Service Manual 9 - ENGINE

VALVE-OIL PRESSURE RELIEF

DESCRIPTION



The oil pressure relief valve mounts in the front of the engine block and is used to control oil flow through the engines lubrication system.

REMOVAL




1. Remove engine oil pan
(Refer to 9 - ENGINE/LUBRICATION/OIL PAN - REMOVAL) .
2. Using special tool VM.1054 (1), remove oil pressure relief valve from engine block.

INSTALLATION




1. Thoroughly clean all components and relief valve pocket in cylinder block.
2. Lubricate all oil pressure relief valve components with engine oil.
3. Install oil pressure relief valve plunger, spring, and cap.

WARNING: DO NOT strike the oil pressure valve cap with a hammer

CAUTION: Care must be taken not to interfere with the engine front cover or the oil pick up tube when seating the oil relief valve cap. Failure to install the valve cap flush with the engine block surface correctly will result in low oil pressure and possible engine damage.


4. Using a driver (2) with a flat surface, carefully tap the oil pressure relief valve cap (3) into place until the cap seats flush with engine block (4).
5. Install oil pan
(Refer to 9 - ENGINE/LUBRICATION/OIL PAN - INSTALLATION) .