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  #1  
Old 10-22-2004, 08:09 PM
dvolkmann dvolkmann is offline
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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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  #2  
Old 10-22-2004, 08:40 PM
Mikado14 Mikado14 is offline
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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
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SpitAndDirt SpitAndDirt is offline
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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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