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Heater question


wnaplay1647545503

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Either air in the system, or a partially plugged heater core will cause this. Check for coolant leaks, take the hoses off the heater core and flush water back and forth through it, and retry. There have been times I've had to replace a heater core because it got so plugged, but thats far from normal. Typically its leaking somewhere, seeing as it's a Dodge make sure there isn't coolant in the oil (depending on engine) and check the water pump (driven off the timing belt on a lot of Dodges). Good luck.
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When I done it I disconnected both hoses, attached two other hoses that were long enough to drape over the fender and then attached a coolant flushing water hose attachment on one of them. I left it flushing for 10 minutes or so. I only back flushed though and it was on a vehicle that had plenty room in that area. I imagine it wouldn't be as easy on newer cars.
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