Overheating

DODGE NEON
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SHERRYMULHERN
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My mom has a 2000 Dodge Neon. It has 111,000 miles on it. It has a 2.0L engine. It has been getting hot but not quite overheating. It only does it when she is driving a long distance. If you are sitting in it idling it won't overheat. I was wondering it that was a thermstat problem. I changed her reservoir because a mechanic said it was cracked. It wasn't really cracked though and it is still overheating. If it is a thermostat, How do I change it?
Sep 8, 2007 at 5:03 PM
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DONOVAN2007
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The thermostat is on the upper part of the engine where the upper radiator hose connects to the engine. Remove the two screws that connect the gooseneck -- and remove the thermostat. Place the thermostat into a pan of boiling water -- if it does not open replace it. If it does open and you have coolant loss on the inside it may be the heater core.

Donovan
Dec 20, 2007 at 12:06 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.