Check the vacuum pots on near the throttle pedal, one of the lines may have come off.When I put my ac on face and feet mode it puts out like a hiss. Like there is a clog or somethin?
Should be just a vacuum leak, follow the sound.
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- Sun Sep 11, 2016 12:28 pm
- Forum: Stock Crew Cab
- Topic: Hissing sound from HVAC
- Replies: 15
- Views: 7040
Re: Hissing sound from HVAC
Should be just a vacuum leak, follow the sound.