1990 Chevrolet Cavalier Heat Not Blowing

1990 CHEVROLET CAVALIER
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LENKA
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  • 2 POSTS
I have Chevy Cavalier 1990, recently the heat stoped working, I can feel the heat but it is not blowing out. If I switch to different possition it's working just fine. Is it the switch or something else? How to fix it?
Thanks :P
Mar 3, 2006 at 5:07 AM
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JPAM
  • ✓Experienced Mechanic
  • 307 POSTS
what area isnt working?? does high to low switch working ok... write back..thnks jess s.
Mar 3, 2006 at 8:29 PM
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LENKA
  • MEMBER
  • 2 POSTS
the switch low/high air is working.

the switch normal/vent/heat/defrost seems to be working too.
the air is blowing on all possitions except on heat.
Mar 4, 2006 at 6:47 AM
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JPAM
  • ✓Experienced Mechanic
  • 307 POSTS
might be that area of switch is burnt out or vaccum problems?? if u can get to junk yard or if u got someone u know that has a chevy around that year.. setting around see if u can get the hole unit from it... sorry that cant be more helpful... let me know thanks.. jess s.
p.s. hole control panel that is..
Mar 6, 2006 at 9:23 AM

Suggested Repair

The heat section of the HVAC control panel may be burnt out, or a vacuum problem may be blocking heat airflow. Try a complete control panel from a similar-year Chevrolet and check the vacuum system.

Conversation Summary

The owner of a 1990 Chevrolet Cavalier said heat is present but does not blow out, while other mode positions work normally. Fan speed and the mode switch otherwise appear to function. The expert suggested the heat area of the switch may be burnt out or that vacuum problems may be involved, and recommended trying a complete control panel from a similar-year Chevrolet.

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