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Home >> GMC >> 2002 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L >> Repair Instructions >> Fuel Pump Replacement >> Installation Procedure
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Installation Procedure

  1. Position the new pump in the pump bracket.
    Fig 1: Fuel Pump
    G01599564Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  2. Install both fuel lines on the fuel pump.

    Tighten 

    Use a backup wrench in order to prevent the pump from turning. Tighten the fuel line fittings to 30 N.m (22 lb ft).

    Fig 2: Fuel Pump Fuel Lines
    G01599565Courtesy of GENERAL MOTORS CORP.
  3. Connect the fuel pump electrical harness connector.
  4. Connect the negative battery cables.
  5. Tighten the fuel tank filler caps.
  6. Bleed the air from the system.
  7. Start the engine and check for leaks.
    Fig 3: Fuel Pump Electrical Connector
    G01599566Courtesy of GENERAL MOTORS CORP.