Oil Pump Drive Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.

Fig 1: Inspecting The Pump Drive

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.

Clean the oil pump drive in cleaning solvent.
Dry the oil pump drive with compressed air.
Inspect the oil pump drive (1) for the following conditions:
- Excessive play in the oil pump drive bearing
- Damage to the oil pump drive clamp bolt hole (2)
- Damaged gear (3) for the following:
  - Chipping
  - Galling
  - Wear
  - Damage to the oil pump drive shaft tang
Damage to the oil pump drive body (4).
If the oil pump drive is to be reused, lubricate the bearing with clean engine oil, and apply grease to all gear teeth (3).