Heater Cores and Blower Fans
Dodge Ram
Chevy Blazer S-10

Do you have to drain AC to change Heater Core in your 1996 Ram 1500 V6 3.9L?

Answer

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Wiki User
06/03/2013

Yes, both the heater core and evaporator are in the HVAC housing, which has to be removed to access either.