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No heat, Def blows A/C


dvolkmann
10-22-2004, 09:09 PM
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.

Mikado14
10-22-2004, 09:40 PM
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.

SpitAndDirt
10-25-2004, 08:29 PM
Ditto on the control unit. They are prone to go bad on certain vehicles.

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