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Home >> GMC >> 2001 >> C3500 HD 8.1 G, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L - Repair Instructions >> Repair Instructions >> Metal Collar Quick Connect Fitting Service >> Removal Procedure

Removal Procedure

  1. Relieve the fuel system pressure before servicing any fuel system connection. Refer to Fuel Pressure Relief .
  2. Remove the retainer from the quick-connect fitting.
  3. Fig 1: Blowing Dirt Out Of Fitting (Metal Collar)
    GM12776Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

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

  4. Blow dirt out of the fitting using compressed air.
  5. Fig 2: View Of Quick Connect Locking Tabs (Metal Collar)
    GM12780Courtesy of GENERAL MOTORS COMPANY
  6. Choose the correct tool from the J 41769 for the size of the fitting. Insert the tool into the female connector, then push inward in order to release the locking tabs.
  7. Fig 3: View Of Quick Connect Locking Tabs (Metal Collar)
    GM12782Courtesy of GENERAL MOTORS COMPANY
  8. Pull the connection apart.
  9. NOTE:

    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.

  10. Use a clean shop towel in order to wipe off the male pipe end.
  11. Inspect both ends of the fitting for dirt and burrs. Clean or replace the components as required.