hissing

Hello all. I've just completed a valve cover gasket replacement on my 2002 4.0L SOHC 4WD Explorer, with help from several threads on here. I've gotten everything back together (after hours of messing with the EGR tube), and now I've got a rough idle and a hissing sound from the rear of the...

I think I'm posting in the right thread... Anyways, Hello all, I have recently purchased a 2005 XLT V6 and there is an intermittent hissing noise coming from the rear when the HVAC system is on. It comes and goes about every 30 seconds. I have searched all over the web but have not found any...

Sometimes [I would say rarely] when I start my ex via the remote start option on the key fob, I hear a hissing sound. It sounds like a tea pot kind of.... It goes away after about a minute. I heard somewhere that it could be a leak in the EVAP system? I also read that this type of leak should...

My truck is a 2007 XLT with 53K and was built in Feb 2007, so it is just out of warranty. Just started blowing A/C air out of the defroster vents, with a small amount coming out the center console and the left and right upper vents near the side windows. I took it to the dealer for diagnosis and...