I put a new radiator and thermostat in my jeep a few months back and worked jut fine until today. I drove about a mile and a half from my house and it dies. i looked down and it was overheated i put more water in it and checked all the fluids everythings fine. Whats wrong?
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Thermostat improperly installed. (backwards) Or possibly you could have a blown head gasket and a bad thermostat at the same time. The head gasket could be letting exhaust gasses into the cooling system. A bad (stuck open) thermostat could "mask" this problem by allowing the coolant to circulate through the radiator when it is not supposed to. Thus, installing a new thermostat would trap the exhaust gasses in the cylinder head and cause the overheating.
I think water on the plugs would make it run rough. But, that would be from the cylinder head gasket leaking into the cylinders and not a radiator leak. It's possible that the leak at the head gasket sealed up. Do you have to add coolant to the radiator to keep the level up?
If not, then it is just a fluke, and I wouldn't worry about it too much.
Changing the thermostat is the standard answer. Make sure the cooling fan(s) come on when it reaches operating temperature. The fans won't make much difference if the car is moving, but standing still, they can make a great difference. Blow out the radiator core with compressed air from the engine side to get rid of accumulated bugs and other debris. Hope this helps!
Clutch Fan are known to fail over time, but I wold not rule out the radiator. The small passages inside the radiator will clog due to age. You did not mention how many miles are on the Jeep or if the Aux fan is kicking on.
If it was overheating at freeway speed then it is a clogged radiator. Another cause of overheating is a timing that is retarded. These can be caused by worn timing components etc, although a possiblity it is highly unlikely on your car.
check all fuse and relay pertaining to the ignition system, make sure all hose are good and the radiator is good, check that thermostat, make sure the fan are working. for the head gasket, check for oil and water mixture in the dipstick
Sounds like the front brake hoses went bad on you. Fluid goes into the calipers and builds up pressure, and applies the brakes, because the fluid can't come back out of the calipers. Usually when hoses go, they tear on the inside, creating a one way valve type of flap. I hope that this helped. Best wishes to ya.
I had the same problem with my 96 buick century and it was the intake gasket. The 1990's buicks all have the same problem where the gasket fails after about 100,000 miles. The radiator fluid then starts leaking in with the oil. Check your oil and make sure it is not high. If it is high, then the intake gasket is your problem. They make a special replacement gasket now that does not have the same issue. However, I doubt I'm going to keep mine another 100,000 miles so I just put in the stock gasket. Hope this helps.