heat not blowing warm

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12-17-2008, 04:55 PM

stevelknievel

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Join Date: Mar 2007

Location: Mi

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heat not blowing warm

im having issues with my heat
A it wont blow on high how can i fix that
and B
its not blowing warm at all. i just changed the tstat hoping it would help but to no avail. anyone have anu suggestions?

12-17-2008, 06:31 PM

dBsound

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Join Date: Feb 2007

Location: Bloomington, IN

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RE: heat not blowing warm

If you're full on antifreeze(you did check that, right?), your heater core's probably clogged. There are several recent threads on flushing it.

12-23-2008, 08:46 PM

vwjim32849

Join Date: Dec 2008

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RE: heat not blowing warm

also if your blower motor resistor is out it won't blow on high

12-23-2008, 08:50 PM

swartlkk

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Join Date: May 2005

Location: Waterloo, NY

Posts: 41,137

RE: heat not blowing warm

The resistor has nothing to do with the HIGH fan speed. That is fed directly through the relay.

Here is a diagram for you:

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