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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 977 (Engine Controls - 6.6L (LLY) (Introduction)) >> Repair Instructions >> Quick Connect Fitting(s) Service (Metal Collar) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: In order to reduce the risk of fire and personal injury, before connecting fuel pipe fittings, always apply a few drops of clean engine oil to the male pipe ends.
This will ensure proper reconnection and prevent a possible fuel leak.
During normal operation, the O-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.
    Fig 1: Oiling Male Pipe Ends (Metal Collar)
    GM12784Courtesy of GENERAL MOTORS CORP.
  1. Apply a few drops of clean engine oil to the male connection end.
  2. Fig 2: Assembling Connectors (Metal Collar)
    GM12786Courtesy of GENERAL MOTORS CORP.
  3. Push both sides of the fittings together in order to snap the retaining tabs into place.
  4. Fig 3: Ensuring Connection (Metal Collar) Is Secure
    GM12787Courtesy of GENERAL MOTORS CORP.
  5. Once installed, pull on both sides of the connections in order to make sure the connection is secure.
  6. Fig 4: Fuel Feed And Return Pipe Quick Connect Fitting Retainers (Metal Collar)
    GM1378747Courtesy of GENERAL MOTORS CORP.
  7. Install the retainers to the fuel feed/return pipes.
  8. Install the fuel fill cap.
  9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.