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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 950 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Fuel Pump Replacement (Cab/Chassis) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Pump And Bracket
    GM19671Courtesy of GENERAL MOTORS CORP.
  1. Remove the caps from the fuel pipes.
  2. Install the NEW fuel pipe O-rings.
  3. Position the new pump in the pump bracket.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Connect the fuel pipes to the fuel pump. Use a backup wrench to prevent the pump from turning.

    Tighten:  Tighten the fittings to 30 N.m (22 lb ft).

    5. Fig 2: Fuel Pipes At Pump
    GM19670Courtesy of GENERAL MOTORS CORP.
  5. Lower the vehicle.
  6. Connect the fuel pump electrical connector (1).
    7. Fig 3: Sending Unit Electrical Connector & Fuel Pump Electrical Connector
    GM877754Courtesy of GENERAL MOTORS CORP.
  7. Install the fuel fill cap.
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