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Old 01-05-2007, 07:50 PM
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Location: Ouside MN's 5th Congressional District, MN
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Default Re: Climate control suddenly blows cold air with heat on

Quote:
Originally Posted by Adam in CO
Radiator problem. Check the coolant level, for leaks, for radiator or hose blockage. No coolant means nothing flowing to heater core. There wouldn't be any codes.
Rebooting the truck would fix a low radiator level or a blocked hose? I'll check, but it seems to infrequent to be this. Also, the coolant temp looked normal in both cases.
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