Oil Pump Installation

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for properly installed oil pump locator pins.

Fig 1: Inspecting Oil Pump Locator Pins
Courtesy of GENERAL MOTORS CORP.

Important: Do not reuse the oil pump driveshaft retainer.

During assembly, install a NEW oil pump driveshaft retainer.
Install the oil pump.

Fig 2: Installing Oil Pump
Courtesy of GENERAL MOTORS CORP.
Position the oil pump onto the pins.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the oil pump bolt attaching the oil pump to the rear crankshaft bearing cap.

Fig 3: Installing Oil Pump Bolt Attaching
Courtesy of GENERAL MOTORS CORP.

Tighten

Tighten the oil pump bolt to 90 N.m (66 lb ft).