Corsica V6-173 2.8L (1987)
Oil Pump: Service and Repair
Fig. 8 Oil pump removal
1.
Drain crankcase, then remove oil pan.
2.
Remove pump to rear main bearing attaching bolt, then remove pump, Fig. 8.
Fig. 9 Oil pump assembly
DISASSEMBLY
1.
Drain oil from pump, then remove driveshaft and driveshaft extension.
2.
Remove pickup tube and screen.
3.
Remove four pump cover to body attaching bolts, then remove cover, idler and drive gears, Fig. 9. Place alignment mark on oil pump drive
and idler gear teeth so they can be installed in the same position.
4.
Remove pressure regulator valve retaining pin, spring and the valve from pump body.