Oil Pump Disassemble

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Oil Pump Driveshaft & Oil Pump Driveshaft Retainer

Courtesy of GENERAL MOTORS CORP.

Remove the oil pump driveshaft and oil pump driveshaft retainer.

Fig 2: View Of Oil Pump Screen

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: DO NOT remove the oil pump screen from the pipe. The pipe and oil pump screen are serviced as a complete assembly.

Remove the oil pump screen, if necessary.
The oil pump screen has a press fit into the oil pump cover.

Fig 3: View Of Oil Pump Cover Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the oil pump cover bolts.

Fig 4: View Of Oil Pump Cover

Courtesy of GENERAL MOTORS CORP.

Remove the oil pump cover.

Fig 5: View Of Oil Pump Drive Gear & Driven Gear

Courtesy of GENERAL MOTORS CORP.

Remove the oil pump drive gear and the oil pump driven gear.
Matchmark the gear teeth for assembly.

Fig 6: View Of Oil Pump Pressure Relief Valve, Spring & Spring Straight Pin

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.

CAUTION: In some models, the pressure regulator valve spring is under pressure. Remove the retaining pin carefully in order to avoid bodily injury.

Remove the following items:
1. The oil pump pressure relief valve spring straight pin.
2. The oil pump pressure relief spring.
3. The oil pump pressure relief valve. If the valve is stuck, soak the pump housing in cleaning solvent.