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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Engine Mechanical - 4.0L (On-Vehicle)) >> Repair Instructions >> Oil Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  2. Remove the three oil pump assembly retaining bolts (1, 2, 3) identified by the larger head size.
  3. Slide the oil pump assembly off the nose of the crankshaft with the drive collar in place.
  4. Clean and inspect the oil pump. Refer to OIL PUMP CLEANING AND INSPECTION .
    Fig 1: Removing Oil Pump Assembly
    G01819288Courtesy of GENERAL MOTORS CORP.
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