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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1330 (Engine Mechanical (Repair Instructions 3 Of 3) - 5.7L) >> Off-Vehicle Repair Instructions - Part 3 >> Oil Pump, Pump Screen and Deflector Installation

Oil Pump, Pump Screen and Deflector Installation

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Crankshaft Sprocket & Oil Pump Drive Gear
    GM1272847Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Inspect the oil pump and engine block oil gallery passages. These surfaces must be clear and free of debris or restrictions.
  1. Align the splined surfaces of the crankshaft sprocket and the oil pump drive gear and install the oil pump.
  2. Install the oil pump onto the crankshaft sprocket until the pump housing contacts the face of the engine block.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the oil pump bolts.

    Tighten:  Tighten the oil pump bolts to 25 N.m (18 lb ft).

    4. Fig 2: Crankshaft Oil Deflector
    GM64270Courtesy of GENERAL MOTORS CORP.
  4. Install the crankshaft oil deflector.
  5. Lubricate a NEW oil pump screen O-ring seal with clean engine oil.
  6. Install the NEW O-ring seal onto the oil pump screen.
    7. Fig 3: View Of Oil Pump Screen
    GM64268Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Push the oil pump screen tube completely into the oil pump prior to tightening the bolt. Do not allow the bolt to pull the tube into the pump.
    • Align the oil pump screen mounting brackets with the correct crankshaft bearing cap studs.
  7. Install the oil pump screen.
  8. Install the oil pump screen bolt and the deflector nuts.

    Tighten: 

    1. Tighten the oil pump screen bolt to 12 N.m (106 lb in).
    2. Tighten the crankshaft oil deflector nuts to 25 N.m (18 lb ft).

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