Well i have a 1993 plymouth Acclaim.. At first my car would overheat so i changed the thermostat and that didn't work so for the summer i just kept the thermostat out. now i have a thermostat in and i have heat again but it only works every now and then.. Sometimes the heat works and sometimes it doesn't same with the overheating sometimes it works and sometimes it doesn't. I have been told thermostat blown head water pump and heater core. Someone pleasehelp
Update:Well like tonight it stayed where it should be then it started to overheat and the heat went away then out of nowhere the heat came back and it went back to normal but earlier today it i had no heat and it overheated then when i let it cool down i restarted and the heat was back and it stayed normal
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it honestly sounds like your thermostat is sticking, have a coolant exchange done and replace the therm. if your floor boards are soaked then youd have a leaky heater core if you have an electric fan the relay might be going bad and of course a blown head gasket you would see water in the oil or oil in the water. I would start the vehicle watch for the fan to kick on after the engine is at operating temp feel the upper hose on the radiator if the thremostat is working it should stiffer and hot hope that helps ya
if it's got a 2.5l then it's most likely the head gasket. if you pop the rad cap off while it's running (carefully)and the a/f is spewing out in large amounts( it may burp a bit, but if the head gask. is ok it will just continue circulating and only a small amount will come out when you first release the cap) as long as the car is running hardly any a/f should come out, or the level is very irradic and you can see tons of bubbles like the a/f is churning then it's the head gasket. the other symptoms seem to point to that too. if it's the heater core you will have a passengers side floor full of antifreeze. if the themostat was stuck shut, the car would just quickly overheat. you can also feel the upper rad hose a minute or 2 after starting the car(leave it running.) once pressure is built up, the hose should feel fairly hard, once the car warms up it should go soft again, this means the thermostat opened. it will be warm. if it was the waterpump, you typically would see a/f coming out the external bypass, would resemble a major a/f leak, it would be constantly on the ground under the car. you should have heat right after adding more a/f , then lose it again if you switch on the a/c and turn it off after a minute. or just the next time you start the car there's nothing??? or be losing alot of a/f, but check the oil and it looks fine?? majority of it should be going out the tail pipe and for some reason most don't even smoke. Sorry to say but, I think your in for a head gasket.especially if it's a 2.5 i the car, the 3.0 wasn't as prone but most of the 2.5's did it eventually, it is fixable but due to the cost it's usually fatal. Not that bad of a job to do just, most shops charge an arm and 2 kids to do it. best of luck.
Start looking at the coolant gauge- where does it go to? Stay cold? Thermostat. Stay hot? Could be a blown head gasket. Is there water in the oil? If it was the heater core, then coolant would be at your feet.
Oh Jeez, a mechanic fell for between the oldest tricks. it is your front wheel bearing/hub assembly. You pay attention it with the vehicle on the line by way of load, weight or rigidity. moist-in the back of-the-ears mechanics positioned 'em on a hoist, pay attention, and pay attention no longer something because it spins freely. It in simple terms isn't that far long gone, yet desires changing, and it is composed of an ABS sensor besides.
I had a similar problem and after determining that it was not my water pump or I blew anything, I took it to Midas Muffler and the flushed out my radiator and changed my thormostat. That seem to help.
you could have gotten a bad thermostat. you can get bad in anything.