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Dads72 · 03-19-2003, 10:10 PM

Yesterday was warm here. Even though the heater was off I still had hot air.
I raised the hood and moved the valve on the firewall on the passenger's side.
Today was cold, so I moved the valve back.
No heat.
How can I get it back?
72 C10 with factory air.
Thanks.

03-19-2003, 10:10 PM	#1
Dads72 Registered User Join Date: Nov 2002 Posts: 427	Where did my heat go? Yesterday was warm here. Even though the heater was off I still had hot air. I raised the hood and moved the valve on the firewall on the passenger's side. Today was cold, so I moved the valve back. No heat. How can I get it back? 72 C10 with factory air. Thanks.