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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 722 (Engine Mechanical - 8.1L (Unit Repair)) >> Repair Instructions >> Oil Pump, Pump Screen and Deflector Installation

Oil Pump, Pump Screen and Deflector Installation

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.
  1. Install the crankshaft oil deflector.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the crankshaft oil deflector nuts.

    Tighten 

    Tighten the crankshaft oil deflector nuts to 50 N.m (37 lb ft).

    Fig 1: Crankshaft oil Deflector & Nuts
    G01675604Courtesy of GENERAL MOTORS CORP.

    Important:  During assembly, install a NEW oil pump driveshaft retainer. Slightly heat retainer above room temperature for ease of installation onto the oil pump driveshaft.

  3. Assemble the oil pump, driveshaft, and a NEW retainer.
  4. Install the oil pump assembly. Position the oil pump onto the locating pins.
  5. Install the bolt attaching the oil pump to the rear crankshaft bearing cap.

    Tighten 

    Tighten the oil pump bolt to 75 N.m (55 lb ft).

  6. Pour clean engine oil into the oil pump pickup screen.
  7. Rotate crankshaft in direction of engine rotation in order to prime the oil pump.
    Fig 2: Oil Pump
    G01675605Courtesy of GENERAL MOTORS CORP.