Operation CHARM: Car repair manuals for everyone.

Disassembly and Assembly

Fig. 14 Oil pump exploded view:






REMOVE
1. Four pump cover to body attaching screws, then remove cover, idler and drive gears and shaft.
2. Remove pin, retainer, spring and pressure regular valve.

INSPECT

NOTICE: Inspect pump components and should any of the following conditions be found, the oil pump assembly should be replaced.

1. Pump body for cracks and excessive wear.
2. Oil pump gears for damage, cracks or excessive wear.
3. Check shaft for looseness in housing.
4. Check cover for wear that would allow oil to leak past ends of gears.
5. Check oil pick up screen for damage to screen or relief grommet. Also remove any debris from screen surface.
6. Check pressure regulator valve for fit in body.

INSTALL
1. Place drive gear and shaft in pump body, then install idler gear with smooth side of gear facing pump cover.
2. Install and torque pump cover attaching screws to 105 in lbs Check to ensure that pump rotates freely.
3. Install pressure regulator valve, spring, retainer and pin.