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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1444 (Engine Mechanical - 5.3L (Lm4)) >> 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 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Oil Pump Screen, Bolt, Nuts & O-Ring Seal
    GM1215980Courtesy of GENERAL MOTORS CORP.
  1. Remove the oil pump screen bolt (405) and nuts (404).
  2. Remove the oil pump screen (407) with O-ring seal.
  3. Remove the O-ring seal (406) from the pump screen.
  4. Discard the O-ring seal.
    5. Fig 2: View Of Crankshaft Oil Deflector
    GM260099Courtesy of GENERAL MOTORS CORP.
  5. Remove the remaining crankshaft oil deflector nuts.
  6. Remove the crankshaft oil deflector.
    7. Fig 3: View Of Oil Pump & Bolt
    GM64281Courtesy of GENERAL MOTORS CORP.
  7. Remove the oil pump bolts.
    8. IMPORTANT: Do not allow dirt or debris to enter the oil pump assembly. Cap ends as necessary.
  8. Remove the oil pump.
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