Dodge Repair Questions? Ask a Mechanic for Answers ASAP
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Have you flushed the heater core? Are both heater hoses equally hot going to the heater core? If one if colder then you have a blockage in the heater core or a circulation issue..
Are you saying the heater core is not flowing good or the coolant isn't flowing good into the heater core? I attached the flow chart.
If the coolant isn't flowing into the heater core then you have a flow issue.. And it's not a thermostat issue because coolant will still flow to the heater core reguardless of the two thermostat's position. When did this issue start, and have you bleed the cooling system and rechecked it?
If you look in the radiatior do you see good coolant flow? Have you felt the radiator to see if you see any cool spots signaling a clogged radiator?