2002 s-10 heater control hissing sound
June 14th, 2011, 4:28 PM
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2002 s-10 heater control hissing sound
I have a very loud hissing sound coming out of around the ac/heater dials. If this is a vacuum leak, is this something a "regular Joe" can fix, or do I need to take it in? Get's really loud when defrost is on, but it is constant.
June 24th, 2011, 10:36 AM
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It is most likely a vacuum leak, but they can be fixed by a novice if you have the time and patience. The vent controller is run off of vacuum from the engine and can be a pain to find sometimes, but look under the dash, behind glovebox and hopefully you can remedy the problem.
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March 15th, 2010 2:43 PM
