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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect for properly installed oil pump locator pins.
    Fig 1: Inspect Oil Pump Locator Pins
    G02106034Courtesy 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. Position the oil pump onto the locator pins.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the oil pump bolt.

    Tighten 

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

  4. Install the oil pan. Refer to Oil Pan Replacement .
    Fig 2: Oil Pump & Bolt
    G02106035Courtesy of GENERAL MOTORS CORP.
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