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greg
Dodge Dakota
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3/01/2004
20:30:31
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 Subject: RE: Overheating problems
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Message:
if you use the wrong type of oil it could over heat;
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knucklebrain
Dodge Dakota
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7/31/2005
21:35:32
| RE: Overheating problems
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Message:
This all sounds very familiar...
98 Durango 5.2 w/ AC (same as Dakota engine)
Overheating, coolant leaks when parked (sizzling seepage from area of thermostat housing) ...
Replaced:
bypass hose, water pump. fan clutch, thermostat, thermostat gasket replaced with custom composite.
Flushed radiator using garden hose attached to bottom of radiator. Plenty of flow out the top, clean water, little back pressure. Rad seems good.
Cleaned radiator fins with pressure wash using
hose nozzle. Airflow thru radiator seems good.
Pressure leaks when parked have stopped, but engine overheats in pretty light duty driving at about 80 degrees F ambient.
Sound familiar? It should... stories like mine are on lots of these boards. Anyone find the cure yet?
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Davy
Dodge Dakota
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7/31/2005
22:06:36
| RE: Overheating problems
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Message:
Knucklebrain,
I hope you noticed that this thread is pretty old. But I'm responding because I've had the same problem as you.
I have a 98 dakota 5.2 cc 4x4. Last month I was flushing out the radiator and replaced the tstat with a 180 tstat. Well putting the new one in and bolting the tstat housing on top was becoming a problem. After letting the RTV sealant cure for a day it was still leaking at the base of the tstat housing. Couldn't figure out why even after I bought a new housing that was free of old gasket material. Come to find out it was because the person who had my truck before me crossthreaded one of the bolt holes (not sure how) and the bolt wouldn't go down all the way. They had to use gasket maker out the yang to make it seal. Took a long time to get that stuff off of the manifold surface.
My solution was to grind the cross threaded bolt down to the highest damaged thread, then install it. Basically just made a smaller bolt because the crossed thread was pretty deep. I thought that was unusual. You see the whole problem was that the housing wasn't sitting flush with the intake manifold causing the coolant to leak out from between the tstat and the housing above it. After I did that, it hasn't leaked or overheated yet (knock on wood).
I talked with a Dodge guy at a dealership and he said that is a common problem. He had three other guys coming in the same day with the same problem. Not sure how they fixed theirs.
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