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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1137 (Engine Controls And Fuel - 3.6L - Introduction (2 Of 2)) >> Repair Instructions >> Metal Collar Quick Connect Fitting Service >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027 - LY7)  or Fuel Pressure Relief (Without CH 48027 - LY7)  or Fuel Pressure Relief (With High Pressure Pump - LLT) .
  2. Fig 1: View Of Quick-Connect Fitting Retainer
    GM1348200Courtesy of GENERAL MOTORS CORP.
  3. Remove the retainer from the quick-connect fitting.
  4. CAUTION: Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.
    Fig 2: Blowing Dirt Out Of Fitting (Metal Collar)
    GM12776Courtesy of GENERAL MOTORS CORP.
  5. Blow dirt out of the fitting using compressed air.
  6. Fig 3: Releasing Quick Connect Locking Tabs (Metal Collar)
    GM12780Courtesy of GENERAL MOTORS CORP.
  7. Depending on the fuel line size and ability to access the fitting, choose the appropriate tool: J 37088-A  or J 44581  . See Special Tools . Insert the J 37088-A  or J 44581  into the female connector, then push inward to release the locking tabs. See Special Tools .
  8. Fig 4: Releasing Quick Connect Locking Tabs (Metal Collar)
    GM12782Courtesy of GENERAL MOTORS CORP.
  9. Pull the connection apart.
  10. 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.
  11. Using a clean shop towel, wipe off the male pipe end.
  12. Inspect both ends of the fitting for dirt and burrs.
  13. Clean or replace the components as required.