C4 General Discussion General C4 Corvette Discussion not covered in Tech

AC problems

Old Jul 17, 2009 | 02:58 PM
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Im new to this forum.. I have a 1996 vette and the AC fan is not coming on. Worked a few days okay and now nothing. All the light come on on the panel but no air coming out... any ideas what it might could be. I can hear the compressor coming on but no fan. I have checked fuses and they are good. Need Help
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Old Jul 17, 2009 | 03:21 PM
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Originally Posted by steven stuckey
Im new to this forum.. I have a 1996 vette and the AC fan is not coming on. Worked a few days okay and now nothing. All the light come on on the panel but no air coming out... any ideas what it might could be. I can hear the compressor coming on but no fan. I have checked fuses and they are good. Need Help
Without being there....very low on R134. If the light came on..which light... SES? If so, what are the codes? The A/C electronic or manual?
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Old Jul 17, 2009 | 03:27 PM
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Originally Posted by runner140*
Without being there....very low on R134. If the light came on..which light... SES? If so, what are the codes? The A/C electronic or manual?
Would it being low on R134 make the fan not come on?? The lights on the ac controls showing what button you have pushed come on but NO fan.
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Old Jul 17, 2009 | 05:25 PM
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I had AC problem in my 96 but it wasn't fan related. I had to replace the vac check valve under the fuel rail cover on the passenger side. This is a common problem with the 96 vette. Check valve gets brittle and breaks. Approx $2-$3 at dealer"s. Maybe your fan is running but no air which makes you think it's the fan. Won't hurt to check the valve.
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Old Jul 19, 2009 | 12:50 AM
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Can someone post a pic of the check valve? I've checked everything and my '96 is still blowing hot air too. Guess I'll find a shop next week.
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Old Jul 19, 2009 | 12:58 PM
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Originally Posted by wonkapete
Can someone post a pic of the check valve? I've checked everything and my '96 is still blowing hot air too. Guess I'll find a shop next week.
Looks like this:
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Old Jul 19, 2009 | 01:20 PM
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Scroll down to member T-800 (AC PROBLEMS) on this page, there is more info on AC problems. Might help you out. If that doesn't help try a search for AC problems and you will get more info.

Last edited by betyelou; Jul 19, 2009 at 01:23 PM.
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Old Jul 19, 2009 | 01:41 PM
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Originally Posted by wonkapete
Can someone post a pic of the check valve? I've checked everything and my '96 is still blowing hot air too. Guess I'll find a shop next week.
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