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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Oil Pump Locator Pins
    GM330578Courtesy of GENERAL MOTORS CORP.
  1. Inspect for properly installed pins (oil pump locator).
    2. Fig 2: Oil Pump
    GM330576Courtesy 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.
    4. Fig 3: Oil Pump Bolt
    GM330572Courtesy 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 .
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