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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1021 (Engine Mechanical - 8.1L) >> 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 Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the bolt that attaches the oil pump to the crankshaft rear bearing cap.
  2. Remove the oil pump, driveshaft and retainer from the crankshaft rear bearing cap.
    3. Fig 1: View Of Oil Pump
    GM635701Courtesy of GENERAL MOTORS CORP.
  3. Separate the oil pump (422), driveshaft (420) and retainer (424).
  4. Discard the driveshaft retainer (424).
    5. Fig 2: View Of Oil Pump, Driveshaft & Retainer
    GM1310040Courtesy of GENERAL MOTORS CORP.
  5. Remove the crankshaft oil deflector nuts.
  6. Remove the crankshaft oil deflector.
    7. Fig 3: View Of Crankshaft Oil Deflector & Nuts
    GM635703Courtesy of GENERAL MOTORS CORP.
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