heat not blowing warm

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Dec 17, 2008 | 04:55 PM

stevelknievel

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Joined: Mar 2007

Posts: 185

From: 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?

Dec 17, 2008 | 06:31 PM

dBsound

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Joined: Feb 2007

Posts: 221

From: 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.

Dec 23, 2008 | 08:46 PM

vwjim32849

Joined: 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

Dec 23, 2008 | 08:50 PM

swartlkk

Administrator

Joined: May 2005

Posts: 41,331

From: Waterloo, NY

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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