Oil Pump Drive Cleaning and Inspection

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

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 for the following conditions:
- Excessive play in the oil pump drive bearing (1)
- 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
  Fig 1: Oil Pump Drive Inspection Areas
  Courtesy of GENERAL MOTORS CORP.
- Damage to the oil pump drive body (4).
- If the oil pump drive is to be reused, lubricate the bearing (1) with clean engine oil, and apply grease to the gear (3).