Muncher Posted October 4, 2020 Share Posted October 4, 2020 Ok so I didnt really run it long but when I got my truck back today I tried the ac for like a minute and it sounded like it was screaming and also a train whistle at the same time. Anyone know what could cause this? Link to comment Share on other sites More sharing options...
jdog Posted October 4, 2020 Share Posted October 4, 2020 bad hvac fan, bad clutch Link to comment Share on other sites More sharing options...
Muncher Posted October 4, 2020 Author Share Posted October 4, 2020 21 minutes ago, jdog said: bad hvac fan, bad clutch Thank you. Link to comment Share on other sites More sharing options...
jdog Posted October 4, 2020 Share Posted October 4, 2020 Yep to check it turn the fan on in vent or heat mode and see if it makes noise, if not then it's probably the a/c clutch, or a loose belt Link to comment Share on other sites More sharing options...
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