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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 6.6L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Pump Replacement (Cab/Chassis) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the caps from the fuel lines.
  2. Install the NEW fuel line O-rings.
  3. Position the new balance pump into the bracket.
    Fig 1: View Of Fuel Pump And Bracket
    GM19671Courtesy of GENERAL MOTORS CORP.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 2: Fuel Pipes At Pump
    GM19670Courtesy of GENERAL MOTORS CORP.
  4. Connect the fuel lines to the balance pump. Use a backup wrench to prevent the pump from turning.

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

  5. Lower the vehicle.
    6. Fig 3: View Of Balance Pump Electrical Connector (Cab/Chassis - Rear)
    GM1333147Courtesy of GENERAL MOTORS CORP.
  6. Connect the balance pump electrical connector.
  7. Tighten the fuel fill cap.
  8. Using a scan tool, command the fuel transfer pump on.
  9. Prime the fuel system. Refer to Fuel System Priming .
  10. Start the engine. If the engine stalls, repeat the above step.
  11. Once the engine starts, inspect for fuel leaks.
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