Heating system
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Cross-Country
Joined: Oct 2004
Posts: 86
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Heating system
Today when I started my truck it was in the -35 degree celcius range(I don't know the ferenheit conversion, but it was cold) the truck started fine and heated up eventually. The problem is that when I went to change the heater setting from defrost to panel vents it would not change, as a matter of fact it seemed that it was stuck on defrost regardless of where I turned the **** to. If I changed the **** to off then it did go off. The hot/cold control, and the fan control worked fine, just not the venting selection. My question: is this controlled electrically or mechanically, is it possible that it is just frozen in one position and will correct itself when temperatures rise?
Oh ya the truck is a 99 xlt 4*4 supercab ranger.
If it matters there was a little heat at the floor, so it might be stuck in the floor/defrost setting, but most of the fan power was on the windshield.
Thanks in advance for any ideas.
Brian.
Oh ya the truck is a 99 xlt 4*4 supercab ranger.
If it matters there was a little heat at the floor, so it might be stuck in the floor/defrost setting, but most of the fan power was on the windshield.
Thanks in advance for any ideas.
Brian.
Cargo Master
Joined: Mar 2001
Posts: 2,757
Likes: 70
From: Elk River, MN
The default mode is defrost. Check vacuum lines for tight connections under the hood, on the heater hose valve and the small vacuum line that ties into an electrical harness near the blower motor.
