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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 >> On-Vehicle Repair Instructions >> Oil Pump Replacement >> Removal Procedure

Removal Procedure

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 oil pan. Refer to Oil Pan Replacement .
  2. Remove the oil pump bolt.
  3. Remove and separate the oil pump, retainer, and driveshaft.
    4. Fig 1: View Of Oil Pump
    GM843907Courtesy of GENERAL MOTORS CORP.
  4. Discard the driveshaft retainer.
  5. Remove the crankshaft oil deflector nuts.
  6. Remove the crankshaft oil deflector.
    7. Fig 2: View Of Crankshaft Oil Deflector
    GM843909Courtesy of GENERAL MOTORS CORP.
  7. Clean and inspect the oil pump. Refer to Oil Pump Cleaning and Inspection .
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