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Oil Pump Installation

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. 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: Inspecting Oil Pump Locator Pins Installation
    G02078245Courtesy 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
    G02078246Courtesy of GENERAL MOTORS CORP.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  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: Installing Oil Pump Bolt
    G02078247Courtesy of GENERAL MOTORS CORP.
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