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1992 civic a/c issue

vvtli78k on Sun July 13, 2008 8:51 PM User is offline

Year: 1992
Make: honda
Model: civic
Engine Size: 1.6
Refrigerant Type: r-134
Country of Origin: Japan

Hi folks, I just picked up a used 1992 civic sedan. last night I was crusing at 60 mph and the a/c worked just fine. today outside temp was 80. I started the a/c it started to blow cool air for about 5 minutes and after that it was blowing warm/hot air. also while it was blowing cold air earlier there was a whining nopise coming from the motor . As i put my foot on the throttle the whining got a lil louder , all this was while it was blowing cool air....

any thoughts?

thanks

Chick on Sun July 13, 2008 9:55 PM User is offlineView users profile

You need to check the belt, needs to be tight or the rpm sensor will shut the compressor off, not hearing the noise it's hard to pinpoint, but a low charge can make the compressor noisy, pressures should be taken, it has been retrofitted, the quality of the work is unknown, so you may need to do it over if the belt doesn't make it quiet..Pressures while running with the ambient temp is a good place to start..Hope this helps..

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

mk378 on Sun July 13, 2008 11:26 PM User is offline

This should be originally a R-12 system. As you just bought the car, it's possible someone just gassed it with some R-134a in order to make it work long enough to get it sold, without doing any conversion at all. Check if you have conversion adapters on both service fittings. If you hear noise from inside the compressor, quit using it before it fails completely.

If it does run quiet, leave it on until it stops cooling, then pull over and check if the compressor is still turning or not.

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