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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1306 (Engine Controls And Fuel - 6.6L - Introduction (1 Of 2)) >> Repair Instructions >> Metal Collar Quick Connect Fitting Service >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Fuel Lines At Engine
    GM1378747Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (With Single Battery) or Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) or Battery Negative Cable Disconnection and Connection (With Dual Batteries) .
  2. Remove the fuel fill cap.
  3. Remove the retainers from the fuel feed and return pipe quick connect fittings.
    4. Fig 2: Blowing Dirt Out Of Fitting (Metal Collar)
    GM12776Courtesy of GENERAL MOTORS CORP.
    WARNING: Wear safety glasses when using compressed air, as flying dirt particles may cause eye injury.
  4. Using compressed air, blow any dirt or debris from around the fitting.
    5. Fig 3: View Of Quick Connect Locking Tabs (Metal Collar)
    GM12780Courtesy of GENERAL MOTORS CORP.
  5. Using the correct end of J 44581  for the size of the fitting. See Special Tools . Insert J 44581  into the female connector, then push inward in order to release the locking tabs. See Special Tools .
  6. If the vehicle is a cab/chassis, it may be necessary to use J 43178  in order to release the quick connect fittings at the sending unit.
  7. If disconnecting the fuel return line, it may be necessary to use J 41769  in order to release the quick connect fitting.
    8. Fig 4: View Of Quick Connect Locking Tabs (Metal Collar)
    GM12782Courtesy of GENERAL MOTORS CORP.
  8. Pull the connection apart.
  9. Use a clean shop towel in order to wipe off the male end.
    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.
  10. Inspect both ends of the fitting for dirt and burrs. Clean or replace the components as required.
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