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Old 10-22-2004, 08:09 PM   #1
dvolkmann
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Join Date: Oct 2004
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Question No heat, Def blows A/C
My 1998 1500 has no heat...It also blows A/C when the Defrost is turned on...you can hear it come on.

Fluid level is good.
Engine temp is normal.

Anyone have any ideas?

TIA
Dan.
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Old 10-22-2004, 08:40 PM   #2
Mikado14
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Re: No heat, Def blows A/C
Two things come to mind.

The blend door is stuck or the heater core is plugged.

On several occassions in the past, I have found the control unit was bad.
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Old 10-25-2004, 07:29 PM   #3
SpitAndDirt
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Re: No heat, Def blows A/C
Ditto on the control unit. They are prone to go bad on certain vehicles.
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