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Home >> Cadillac >> 2009 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - Introduction >> Repair Instructions >> Plastic Collar Quick Connect Fitting Service >> Installation Procedure

Installation Procedure

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: Lubricating Male Pipe End
    GM155425Courtesy of GENERAL MOTORS CORP.
    Fig 2: Connecting Fittings (Plastic Collar)
    GM155771Courtesy of GENERAL MOTORS CORP.
  1. Push both sides of the quick-connect fitting together in order to cause the retaining tabs/fingers to snap into place.

    Apply a few drops of clean engine oil to the male pipe end.

  2. Fig 3: View Of Quick-Connect Fitting
    GM155399Courtesy of GENERAL MOTORS CORP.
  3. Pull on both sides of the quick connect fitting in order to make sure the connection is secure.