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| Cavalier Problem Diagnosis Got a problem you can't fix? We can help. |
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#1
03-01-2009, 11:56 PM
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2002 blower fan question
Hello everyone.
I have an 02 Cavalier, just got it and i noticed that my blower fan only blows on the 3rd and 4th setting. The first two speeds i have nothing. Is this a switch problem or something a little more vague. The last car i had (not cavalier) it only blew on high, and i know that was a resistor problem, but because this one has 2 speeds working, would it be dirt possibly in the contacts. or a bad switch. etc....... Thanks in advance. 
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#2
03-02-2009, 12:15 AM
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Re: 2002 blower fan question
EDIT - So it is my resistor.. after doing some research, i guess MANY people have the trouble of 2 last speeds working. They all say its resistor..
But now my question is, what caused it to blow. Is my blower fan drawing too many amps making it blow. I don't want to replace my resistor just for it to repeat itself.
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#3
03-02-2009, 08:35 AM
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Re: 2002 blower fan question
Very common problem-- first design was not very good-second design seems to work-- I can tell you that I have never had to replace a resistor the second time- and I have replaced probably 50 or more in the last ten years on various GM models.
__________________
Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles-
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#4
03-02-2009, 02:58 PM
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Re: 2002 blower fan question
I have a 2000 and I had to replace mine 3 years ago. Same thing ,only the 2 high settings worked. I agree it's a bad design, the blower motor resistor board is in with the blower fan and I found my old board was corroded.
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