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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 4.3L (LV1) - Repair Instructions) >> Repair Instructions >> Metal Collar Quick Connect Fitting Service >> Removal Procedure

Removal Procedure

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  1. GM12776Courtesy of GENERAL MOTORS COMPANY

    Relieve the fuel system pressure. Refer to Fuel Pressure Relief .

    WARNING:

    Wear safety glasses when using compressed air in order to prevent eye injury.

  2. Using compressed air, blow any debris from around the fittings.
  3. GM12780Courtesy of GENERAL MOTORS COMPANY

    Using CH-41769  fuel line quick disconnect tool, insert the correct size tool into the female connector, then push inward to release the locking tabs.

  4. GM12782Courtesy of GENERAL MOTORS COMPANY

    Pull the fuel line connection apart.

  5. CAUTION:

    If necessary, remove rust or burrs from the fuel pipes with an emery cloth. Use a radial motion with the fuel pipe end in order to prevent damage to the O-ring sealing surface. Use a clean shop towel in order to wipe off the male tube ends. Inspect all the connections for dirt and burrs. Clean or replace the components and assemblies as required.

  6. Using a clean shop towel, wipe off the male pipe end.
  7. Inspect both ends of the fuel line connections for dirt and burrs. Clean or replace the components as required.