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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1496 (Engine Mechanical - 5.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Oil Pump, Pump Screen and Deflector Removal

Oil Pump, Pump Screen and Deflector Removal

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the oil pump screen bolt (3) and nuts (2).
  2. Remove the oil pump screen (1) with O-ring seal (3).
  3. Remove the O-ring seal from the pump screen.
  4. Discard the O-ring seal.
    Fig 1: Removing Oil Pump Screen With O-Ring Seal
    G02129381Courtesy of GENERAL MOTORS CORP.
  5. Remove the remaining crankshaft oil deflector nuts.
  6. Remove the crankshaft oil deflector.
    Fig 2: Removing Crankshaft Oil Deflector
    G02129382Courtesy of GENERAL MOTORS CORP.
  7. Remove the oil pump bolts.
    IMPORTANT: Do not allow dirt or debris to enter the oil pump assembly, cap ends as necessary.
  8. Remove the oil pump.
    Fig 3: Removing Oil Pump
    G02129383Courtesy of GENERAL MOTORS CORP.
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