Oil Pump Assemble

WARNING: This page is about a different car, the 2003 GMC Sonoma and 2003 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Important: Replace the pressure relief valve spring when you reuse the oil pump.

Install the following items:
- The pressure regulator valve
- The pressure regulator spring
- The retaining pin
  
  Fig 1: Installing Retaining Pin, Pressure Regulator Spring, Pressure Regulator Valve
  Courtesy of GENERAL MOTORS CORP.
Fill the gear cavity with petroleum jelly.
Install the drive gear and the driven gear into the pump body. Align the matchmarks on the gears. Install the smooth side of the gear toward the pump cover.

Fig 2: Installing Drive Gear And Driven Gear Into Pump Body
Courtesy of GENERAL MOTORS CORP.
Install the pump cover.

Fig 3: Installing Pump Cover
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the cover bolts.
Tighten

Tighten the bolts to 10 N.m (89 lb in).

Fig 4: Installing Cover Bolts
Courtesy of GENERAL MOTORS CORP.
Install the shaft and the retainer.

Fig 5: Installing Shaft And Retainer
Courtesy of GENERAL MOTORS CORP.