Service manual

3. Apply clean engine oil GM P/N United
States 12345610, GM P/N Canada 993193, or
equivalent, to the oil pump drive gear, the oil pump
driven gear, and the oil pump body internal
surfaces.
4. Install the oil pump drive gear and the oil pump
driven gear into the oil pump body.
4.1. Align the matchmarks on the oil pump drive
and driven gears.
4.2. Install the smooth side of the oil pump drive
and driven gears toward the oil pump cover.
5. Install the oil pump cover.
Notice: Refer to Fastener Notice in Caution and
Notices.
6. Install the oil pump cover bolts.
Tighten
Tighten the bolts to 12 N·m (106 lb in).
7. Inspect the oil pump for smoothness of operation
by turning the oil pump driveshaft by hand.
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6-88 Engine Mechanical - 5.0L and 5.7L Engine
2002 - Unit Repair (May 25, 2001)