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Home >> GMC >> 2001 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L (L65) (Introduction) >> Repair Instructions >> Fuel Pump Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Fuel Pump And Bracket
    GM19671Courtesy of GENERAL MOTORS CORP.
  1. Position the new pump in the pump bracket.
  2. Fig 2: Fuel Pipes At Pump
    GM19670Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. 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).

  4. Fig 3: Fuel Pump Electrical Connector
    GM19669Courtesy of GENERAL MOTORS CORP.
  5. Connect the fuel pump electrical harness connector.
  6. Connect the negative battery cables.
  7. Tighten the fuel tank filler caps.
  8. Bleed the air from the system.
  9. Start the engine and check for leaks.