Questions & Answers for: hissing vacuum leak

...vacuum booster,which would explain the hissing noise.You easily check this,with the truck running depress the brake pedal and feel for air movement around the actuator rod that comes through the ...

...vacuum leak, but i didn't find any. What could it be? I would first try to locate the source of the hissing. Try spraying some engine starting fluid around the hissing area and home in on the source. ...

...hissing maybe a vaccum leak? That vacuum leak would be causing your studder. The air flow sensor would be able to read the air coming in from a leak and wouldn't add the right amount of fuel. It ...

i have a hissing sound from my egr vacuum regulator valve 2005 ford escape. check for loose hose connections or vacuum leaks in the system. The hissing sound is typical of a vacuum leak some where.

...vacuum leak you can hear a hissing sound but i cant find the location . please help sounds to me the hissing is the sound of a leaking heater core. Its smells weird becuse coolent usually has a sweet ...

...down on is own Lift the hood and listen for a hissing noise. If no hissing noise have a mechanic check it for vacuum leaks. This requires a scanner tool if no vacuum leaks-best off at a repair

...the air on passanger side is cold and hot. and hot check for a vacuum leak on the hose going to the actuator for the heater door. Sounds like the hissing sound may be a vacuum line. Hope this

...hissing sound is, and there's your vacuum leak! (My bet is that you will find the vacuum line has come off of the automatic parking brake release. This is the most common source of internal vacuum ...

...hissing while it runs, vacuum leaks are often found by hearing a hissing, even when the brake booster leaks and you hear it hissing by your feet while you drive,, Good luck, if you find anything and ...

...vacuum leaks. Hissing usually indicates a vacuum leak. Check around the intake manifold and intake runners, pcv valve, vacuum lines, brake booster and anything else (air conditioner controls if you ...