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post #1 of (permalink) Old 11-30-2000, 06:00 PM
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Blowing heat

On my Blazer i can feel that the heat is hot but it doesn`t seem to blow very hard.When i got the truck the blower was no good so i replaced it with one that i had that i think came off a no a/c blazer and mine has a/c.Does anyone think the blower just doesn`t blow hard enough?Or could it be somthing else?


1991 blazer 4 dr 4.3 headers,flowmaster,k&n,31x10.5x15 bfg allterrains
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post #2 of (permalink) Old 11-30-2000, 08:00 PM
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Re: Blowing heat

Can you hear the blower blowing when you turn it on? If you can hear it running, and not feel air, then it sounds like the baffle that directs the air (to the defrost, vents, heat) is not functioning. The baffle is activated by vacum (on my 84), maybe a vac line is broken? Do you hear a hissing sound when you select a function?
just my .03 cents (yes my opinions are worth more[img]/wwwthreads_images/icons/smile.gif[/img])

The Duke

I'm old enough to know better, but still too young to care.
post #3 of (permalink) Old 11-30-2000, 09:27 PM
 
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Re: Blowing heat

<font face="Comic Sans MS">The blower motor in my '85 works wonderfully. In fact it gets so hot in the cab that I have to take my Carhartt off and still can't turn the heat up all the way at the risk of sweating to death. Not sure about the blazer though, since i have the pickup, but I'd say it should be that strong or stronger. Maybe you either got a defective motor or it's not hooked up right. Check your ground to make sure it has a good ground, bad ground could cause it to not work as strong as it should (plus it'll reduce the life of the blower motor if it's got a bad ground).
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post #4 of (permalink) Old 11-30-2000, 09:50 PM
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Re: Blowing heat

I know what you mean about the heat, i rarely drive with the blower on cause it gets so hot.

The Duke

I'm old enough to know better, but still too young to care.
post #5 of (permalink) Old 12-01-2000, 05:55 PM
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Re: Blowing heat

I replaced the fan with a new one and now it works great.A friend said that he tried a fan in his out of some other kind of car and it did the same thing.Maybe the blower i put in there was out of a car or somthing?


1991 blazer 4 dr 4.3 headers,flowmaster,k&n,31x10.5x15 bfg allterrains
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