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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 >> Off-Vehicle Repair Instructions >> Oil Pump Installation

Oil Pump Installation

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: Oil Pump Locator Pins
    G02106400Courtesy 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: Install Oil Pump
    G02106401Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  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).

    Fig 3: Install Oil Pump Attaching Bolt
    G02106402Courtesy of GENERAL MOTORS CORP.