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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1560 (Engine Control System & Fuel System - 6.6L (LMM) - Repair Instructions) >> Repair Instructions >> Metal Collar Quick Connect Fitting Service >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: 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: Pushing Fittings Together
    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. Install the retainers to the fuel feed/return pipes.