Forum: 6.7 Problems Forum (2011-2016)
09-13-2011, 03:26 AM
Hissing noise coming from frontpassenger side?
I bought a 2011 F-250 on Saturday. It now has 800 miles on it and I noticed a hissing sound coming from the front passenger side? It comes and goes every 15 seconds or so. Sounds like air is slowly...