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Heater only blowing cold air

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#1

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11-29-2017, 02:43 PM

w123Adict

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Heater only blowing cold air

84 300 turbo diesel. Ac blows ice cold but heater doesn't blow hot. Checked mono valve and it is good. Any other ideas? Could it be the climate control?

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#2

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11-29-2017, 02:49 PM

tangofox007 tangofox007 is offline

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Quote:

Originally Posted by w123Adict

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Checked mono valve and it is good.

Could you describe the "check?"

What happens if you disconnect the monovalve harness and drive?

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