GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Mechanical - 4.3L
🢒 Oil Pump Removal
Remove the oil pump bolt.
Remove the oil pump.
Inspect the oil pump locator pins for damage, and replace the pins if required.