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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 906 (Engine Mechanical - 4.3L (LU3)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect for properly installed pins (oil pump locator).
    Fig 1: Proper Installation of Pins
    G01977635Courtesy of GENERAL MOTORS CORP.

    Important:  Do not reuse the oil pump driveshaft retainer.

    During assembly, install a NEW oil pump driveshaft retainer.

  2. Install the oil pump.
  3. Position the oil pump onto the pins.
    Fig 2: Installing Oil Pump
    G01977636Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the oil pump bolt attaching the oil pump to the rear crankshaft bearing cap.

    Tighten 

    Tighten the oil pump bolt to 90 N.m (66 lb ft).

  5. Install the oil pan. Refer to Oil Pan Replacement   .
    Fig 3: Installing Oil Pump Bolt
    G01977637Courtesy of GENERAL MOTORS CORP.
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