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1993 Air conditioner "thunk" sound from inside dash!?!

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Old 06-21-09, 08:11 AM
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mtimmons4
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Default 1993 Air conditioner "thunk" sound from inside dash!?!

hey guys, Im having this wierd a/c problem and maybe you guys could shed some light on my situation.

Whenever I turn the car on, the a/c works fine. But every now and then while just driving or taking turns...i will hear this thunk sound from inside the dash, after that...the a/c will blow hot air. The a/c gets cold dont get me wrong, its just after I hear that sound that it starts to blow hot air.

Im confused...is some valve closing off or something or the condenser shutting off. I have no idea.

thanks guys
Old 06-21-09, 11:21 AM
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LiCelsior
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faulty heater control valve possibly?
Old 06-24-09, 12:04 PM
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mtimmons4
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bumpity bump bump bump
Old 06-26-09, 12:47 PM
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anyone? bump bump
Old 06-26-09, 05:23 PM
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ur blend door slammin shut?
Old 06-29-09, 09:58 AM
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bumpity bumparoo
Old 06-29-09, 05:47 PM
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JimsGX
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Originally Posted by mtimmons4
hey guys, Im having this wierd a/c problem and maybe you guys could shed some light on my situation.

Whenever I turn the car on, the a/c works fine. But every now and then while just driving or taking turns...i will hear this thunk sound from inside the dash, after that...the a/c will blow hot air. The a/c gets cold dont get me wrong, its just after I hear that sound that it starts to blow hot air.

Im confused...is some valve closing off or something or the condenser shutting off. I have no idea.

thanks guys
When this happens, are you able to turn the climate control off, then turn it back on and have it blow cold/normal again?
Old 06-30-09, 11:13 AM
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mtimmons4
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yes, sometimes if i turn it back off and then back on, it will blow cold air again....but sometimes i have to wait a bit for it to blow cold air.
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