Assembly Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Oil Pump

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Remove the oil pump driveshaft and oil pump driveshaft retainer.

Fig 2: Identifying Oil Pump & Screen

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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: Identifying Oil Pump Cover Bolts

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Remove the oil pump cover bolts.

Fig 4: Identifying Oil Pump Cover

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Remove the oil pump cover.

Fig 5: Identifying Oil Pump Gears

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

Fig 6: Identifying Pressure Regulator Valve Spring

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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.