Question about 2001 Dodge Durango
I have a 1999 Durango that I just had the heatercore flushed on 2 times, had all the system drained down and all neww coolant put in and had a new water pump put on. The heat in this thing is horriable. You'll freeze to death before you get where your going. The other day I turned on the heat and I could smell antifreeze coming in through the vents. Now today I went out in it and antifreeze is leaking from underneith. Is this my heatercore going up or is this a frost plug issue...maybe something else? It doesnt run hot or anything and other than this problem its great. Oh on a side note in the summer the a/c works great until it freezes up on me and i have to turn it off for a while. Same problem maybe?
Smelling antifreeze indicates to me you have a crack in the heater core. Most are made of plastic. This shows yours is metal. I guessed on 2WD or 4WD and size of engine.
Unlikely to be frost plugs unless you ran the system without antifreeze and the block partially froze. When they freeze fully, the plug pops and out and you lose all the coolant when it thaws.
Finally, this is a common problem with the Durango! As my learned colleague says, replace the thermostat as it needs to be fully open to let water flow well to the heater core.
1999 Durango Google Search
Posted on Mar 28, 2017
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Posted on Jan 02, 2017
SOURCE: Frost on inside of window
your heater core is probably leaking.....this is a big job to fix you'll probably want to take it to a shop to have this done as the complete removal of the dash is necessary
Good luck.........thanks for choosing FIX YA!
Posted on Jan 15, 2009
Pressure test cooling system to 16psi run heater with blower on high and see in more coolant leaking at vent's, more then likely heater core.
Posted on Dec 04, 2009
What exactly is the "round plug type thing" near the firewall [passenger side]? Is it a sensor of some type? I, too, have a coolant leak here on my 2001 Durango; its tucked in rather tightly near the hood/firewall corner. My electric fan is not kicking on; vehicle overheated tonight. (4.7 liter)
Posted on Dec 28, 2009
does the temperature gauge say its running hot? Does the low coolant warning light come on? if yes to both then you probably have a small pinhole leak in a coolant line or a leak in the heatercore. pull the dip stick out dont wipe it, does it look brownish-black with small bubbles in it? it should just look black and not smell burnt. if its black thats good! Now go to you exhaust pipe with the engine running is there a lot of water coming out?..a little tiny bit is normal especially on a cold morning. stick finger in exhaust pipe and rub along inside surface...what color is the exhaust grime? it should be light brown to dark brown...if car is tuned properly. go wash finger off now Lol!! if its brown your engine is running perfectly and i dont believe anyone has put anything in your gas tank....so now you just have to see if the warning lights came on due to lack of maintenance or a true failure of the coolant system. Get the car real hot drive it around then lift up the hood and start looking for leaks, if you dont see any sign of leaks, then your car should be running at a normal temperature gauge indication...you need to check this its important the engine temperature has to be approx 180 to 195 degrees +/- 5 degrees if its only running at 100 degrees the thermostat is stuck in an open loop and you not only boil off coolant quicker you"ll also use up more fuel leading to poor gas mileage.
Posted on Apr 03, 2010
Testimonial: "thank you so much ! "
depends on lacation and time involved in accessing the areas avoid midas and find a good local mechanic that'll not give you the run around, ask around you'll find 1
Posted on Apr 24, 2010
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