Fuel Line Disconnect Fittings (5.3L): Installation

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Apply a few drops of clean engine oil to the male connection end. See Fig 1.
Push both sides of the quick-connect fitting together in order to cause the retaining feature to snap into place. See Fig 2.
Once installed, pull on both sides of the quick-connect fitting in order to make sure the connection is secure. See Fig 3.

Fig 1: Installing Plastic Collar Quick Connect Fittings (1 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Installing Plastic Collar Quick Connect Fittings (2 Of 3)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Installing Plastic Collar Quick Connect Fittings (3 Of 3)

Courtesy of GENERAL MOTORS CORP.