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Home >> Chevrolet >> 2012 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 4.3L - Repair Instructions) >> Repair Instructions >> Fuel Line Replacement - Engine >> Removal Procedure

Removal Procedure

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NOTE:

Clean all the fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel system contamination.

    Fig 1: Identifying Fuel Pipe Retainer Nuts & Bracket Bolt
    GM1945468Courtesy of GENERAL MOTORS COMPANY
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (Without CH-48027) , Fuel Pressure Relief (CH-48027) .
  2. Disconnect the chassis fuel feed pipe from the engine compartment feed pipe. Refer to Metal Collar Quick Connect Fitting Service .
  3. Cap the fuel pipe in order to prevent possible fuel system contamination.
  4. Remove the fuel pipe retainer nuts (1).
  5. Remove the fuel pipe bracket bolt (2).
  6. Fig 2: Identifying Pipe & Retainer
    GM1945469Courtesy of GENERAL MOTORS COMPANY
  7. Remove the fuel pipe retainer (1).
  8. Pull straight up on the pipe (2) in order to remove the pipe from the fuel meter body.
  9. Fig 3: Identifying Fuel Meter Body Components
    GM1945471Courtesy of GENERAL MOTORS COMPANY
  10. Remove and discard the following components from the fuel meter body.
    • Fuel seal retainer (1)
    • Upper fuel seal (2)
    • Spacer ring (3)
    • Lower fuel seal (4)