Hot Air...

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Aug 20, 2010 | 06:31 PM

Survivor

Thread Starter

New Member

Joined: Mar 2009

Posts: 56

Hot Air...

My blazer has been blowing hot air on my feet all the time, even when the blower is on 1 and the controller switched to off. even if the A/C is on it blows a little hot air.

Aug 22, 2010 | 05:28 PM

frisco204

Beginning Member

Joined: Dec 2009

Posts: 37

i have the same problem except it doesnt happen with the ac on. Would like some help if there is something wrong.

Aug 24, 2010 | 07:29 PM

4doorred96

Starting Member

Joined: Aug 2010

Posts: 1

my blazer does the same thing. i also have a 94 chevy 2500 that does the same thing...

Aug 24, 2010 | 07:56 PM

swartlkk

Administrator

Joined: May 2005

Posts: 41,333

From: Waterloo, NY

Sounds like the doors inside the HVAC housing are not working properly.

Here's a schematic for the manual & automatic optioned HVAC housing & vacuum diagram:

MANUAL: