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Hello all. I have a 1996 Dodge Stratus, 4cyl 2.4L engine. It occasionally hisses in the dashboard whenever I’m driving. This only happens whenever I have A/C or Heat blowing at any settings towards me. I’m wondering if it’s a vacuum leak. Also, my a/c or heat will switch from blowing on the driver to the defrost without me touching the knob to change its direction.
I’m hoping this is something I can do myself. Mechanics are expensive.
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Well vacuum leak cause really bad fuel per mile and have no sound. But dirty cabin blower whit object in can be noisy.
[video]http://www.youtube.com/watch?v=wktYMmHaU-w&feature=player_embedded[/video]
My mileage is sub-par. It seems like it dropped about 20 miles per tank, but that may be just because I’m not driving as slowly anymore…
I guess it’s not vacuum leak. What causes blower to change direction though?
sounds like a vacuum leak to me. usually hvac systems will default to the defroster setting if there is a problem because it is safer to heat or cool the windshield. hvac systems are not fun to work on. can you pinpoint the area where the leak is coming from? maybe you can pull a dash panel and get lucky. let me know how it does.
There’s no way I am pulling this dash apart. It sounds like it’s coming from right out of the me-facing vents in the center.
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