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Posted on Jan 02, 2017
SOURCE: heat 2001 dodge durango
a bad heater core will just leak. it could leak alot. do you ever smell antifreeze? check the coolant level. it can get pretty low before it will overheat. the thermostat should be ok but there could be corrosion. when you had the water pump replaced was the cooling system flushed? 2001, its probably due for a flush. what coolant does it take? (green or orange)
Posted on Jan 17, 2009
SOURCE: 2002 jeep liberty has very
sounds like a head gasket problem. A minor leak there will pump compression into coolant and force it out of heater core. Any unusual steaming from tail pipe? Also: if radiator was flushed "in car" sometimes debris does not come out. Try flushing with it out of the vehicle. Jeep radiators are notoriously small for their application if not at at least 90% they will not work correctly.I'd look at the hg first though otherwise, your symptoms seem to be contradictory.
Posted on Jan 27, 2009
(This is from the assumption that your coolant is at the appropriate level) find your heater hoses. let the car run and get warm and then touch both the heater hoses. If one is hot and one is noticeably cooler than the other your heater core is blocked and needs to be replaced. Flushing the system, especially at home, will not always clean out the heater core and if it was full on blocked before the flush then even a power flusher may not have unblocked it. If both hoses are cooler than the radiator hoses then no coolant is getting that far. if both are hot and roughly the same temp then your temperature blend door is probably stuck. If it gets cold when you turn it the whole way down, then stuck is not your problem.
Posted on Oct 07, 2009
SOURCE: 99 jeep cherokee problem w/ heat
It could be a flap but more likely you have a air trapped in the heater core or the hoses connecting the heater core when refilled the system after your repair.
Loosen the supply hose that go to the heater core at the highest point and run engine until coolant comes out.
Posted on Jan 05, 2010
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