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Heating & Cooling 4th Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #1  
Old 04-19-2015, 09:17 AM
Padrea Padrea is offline
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Default 14 Ram 1500 whistle from HVAC

Hello all, I have a 2014 Ram 1500 4X4, crew cab, 5.7 with 6.4 box, and have a high pitch whistle coming from the HVAC system, it's in all positions, and temperatures. I can stop or minimize it by lowering the fan speed. Problem is, it does go away, and comes back at times. Any suggestions, just would like a starting point to begin looking, I have looked under the glove box, however the noise is minimized when the passanger door is open, this makes it very difficult to pin point.
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Old 04-21-2015, 01:32 PM
shmedley shmedley is offline
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Did you do the cabin filter mod?
I noticed this on mine before, I didn't push the "door" on enough or it had come loose. Either way I pushed on the door and it stopped.

Hope this helps
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Old 05-09-2015, 11:15 AM
jayze jayze is offline
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I have a high pitch noise, coming only when AC is on. Is it the same with AC on and off?


you can try to remove the blower motor see if something is stuck in there maybe? Takes about 5 minutes


in my case, we noticed AC dont blow cold air anymore(live in northern Quebec, AC run all winter on auto, so didnt notice)
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