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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1560 (Engine Control System & Fuel System - 6.6L (LMM) - Repair Instructions) >> Repair Instructions >> Fuel Pump Replacement (Aux Tank, Balance) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 & Bracket
    GM19671Courtesy of GENERAL MOTORS CORP.
  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.
  4. Fig 2: Fuel Pipes At Pump
    GM19670Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  5. 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).

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