Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Oil Pump, O-Ring Seal & Bolt

Courtesy of GENERAL MOTORS CORP.

Install a NEW oil pump O-ring seal.
Install the oil pump.
NOTE: Refer to Fastener Notice .
Install the oil pump bolts.
Tighten: Tighten the bolts to 21 N.m (15 lb ft).
Inspect the oil pump drive gear for wear.
Replace the oil pump drive gear pin if worn.

Fig 2: View Of Oil Pump Drive Gear

Courtesy of GENERAL MOTORS CORP.

Install the oil pump drive gear and reluctor to the crankshaft.

Fig 3: View Of Oil Pump Driven Gear & Nut

Courtesy of GENERAL MOTORS CORP.

Install the oil pump driven gear.

Fig 4: Removing/Installing Secondary Oil Pump Driven Gear Nut While Holding Oil Pump Shaft

Courtesy of GENERAL MOTORS CORP.

While holding the secondary oil pump shaft with a hex driver, install the oil pump driven gear nut.
Tighten: Tighten the nut to 100 N.m (74 lb ft).

Fig 5: View Of Oil Pump Screen, Bolts, Nuts & Gasket

Courtesy of GENERAL MOTORS CORP.

Install a NEW oil pump screen gasket to the oil pump.
Install the oil pump screen.
Install the oil pump screen bolts and nuts.
Tighten: Tighten the bolts/nuts to 25 N.m (18 lb ft).
Install the engine front cover. Refer to Engine Front Cover Replacement .
If the vehicle is a 2WD, install the flywheel housing. Refer to Engine Flywheel Replacement .
Install the upper oil pan. Refer to Upper Oil Pan Replacement .