Yes, air in the system will cause incorrect pressures and result in poor performance, and internal corrosion over time.
SOURCE: Location of heater core
It is under the dash in the middle of everything. You have to fully tear down the dash. allow at least 8 hours and also get a camera and take a lot of pictures. You can put parts in zip-lock bags and lable as you go.
You can get great info on dodgeforum.com
SOURCE: 1999 dodge durango heater core
it's about 350.00-500.00 pain in the @#$#whole dash must come out are smelling something comin from your vents
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)
SOURCE: 1999 dodge durango heater core
It's a big job. Drain the coolant down, recover the freon in the ac system and disconnect the lines and heater hoses. Lower the steering column, remove the instrument panel assembly, remove the heater housing. Split the case halves on the housing and there you are. Usually around 500 to 700 dollars at a dealership.
SOURCE: 1998 Dodge Durango Turns over but wont start
could be Fuel Injectors, are bad ?
all you need is # 1 Fuel Injector, to go out that will not get Fire, and Fuel Mixture to Spark Plug.
The heater housing is disassembled to get to the heater core.
Heater Core 51 views
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