Removal Procedure
- Remove the lower intake manifold. Refer to
Lower Intake Manifold Replacement.
- Remove the oil pump drive clamp bolt.
- Remove the oil pump drive clamp.
- Remove the oil pump drive.
Installation Procedure
- Apply prelube GM P/N 12345501 (Canadian P/N 992704) or the equivalent to the oil pump drive gear.
- Apply engine oil to the oil pump drive gear assembly for ease of assembly.
- Install the oil pump drive gear assembly.
- Install the oil pump drive gear clamp.
Caution: Refer to Fastener Caution in the Preface section.
- Install the oil pump drive gear clamp bolt and tighten to
36 N·m (27 lb ft).
- Install the lower intake manifold. Refer to
Lower Intake Manifold Replacement.