Oil Pump Disassemble

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.

Important: The oil pump pipe has a press fit into the oil pump. DO NOT remove the pipe from the oil pump. The pipe and oil pump are serviced as a complete assembly.

Remove the oil pump driveshaft and retainer.

Fig 1: Oil Pump Driveshaft & Retainer
Courtesy of GENERAL MOTORS CORP.
Remove the oil pump cover bolts.

Fig 2: Oil Pump Cover Bolts
Courtesy of GENERAL MOTORS CORP.
Remove the pump cover.

Fig 3: Oil Pump Cover
Courtesy of GENERAL MOTORS CORP.
Remove the drive gear and the driven gear. Matchmark the gear teeth for assembly.

Fig 4: Oil Pump Drive & Driven Gears
Courtesy of GENERAL MOTORS CORP.
Remove the following items:
1. 5.1. The retaining pin
2. 5.2. The pressure relief spring
3. 5.3. The pressure relief valve
Fig 5: Pressure Relief Spring, Valve & Retaining Pin
Courtesy of GENERAL MOTORS CORP.