F 150 2WD Pickup V8-5.4L SOHC VIN 5 (2004)
1. Inspect and clean both coupling ends. Install new O-rings and garter springs if necessary.
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Lubricate the O-rings with clean engine oil.
2. Fit the male fitting into the female end and push until the garter spring snaps over the flared end of the female fitting.
3. Make sure the coupling is engaged by pulling on the lines.
4. Install the safety clip.
Item 3: Vapor Tube Quick Connect Fitting Installation Note