Question about Cars & Trucks
My guess is you think the dash guage dont lie?
1: pyro IR gun shoot thermostat house it read 250F?
2: steam rising from hood.
3: green coolant every where.
just a hint, and we can proceed.
define overheats, what made you think that........??????????
Posted on Oct 15, 2013
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Posted on Jan 02, 2017
SOURCE: ford ranger truck overheating
I have had this happen with my ranger. Changed everything I could to try to fix the over heating. It turned out that I had a small leak in my head gasket and it was allowing exsaust gas to go into the cooling system witch was over pressurizing it. Also the air from the exsaust will heat up much faster than liquid making your thermostat to read hot and will not be able to blow hot air in the cab because there is no liquid going to the heater core. This happened to me when my blet came off and I tryed to make it home. If you had it over heat for a long peirod of time it may have ripped the head gasket.
Posted on Feb 21, 2009
SOURCE: Hi, my 99 vw beetle
Head gasket for sure would cause it to smoke and get hot. May seem like a stupid question, but did they check the thermostat? If head gaskets are good now and radiator was replaced, look for the obvious. Thermostat or air bound engine. An air pocket in the engine could also cause this. Need to bleed the air out of the cooling system. Some cars have a bleed screw to do this.
Posted on May 21, 2009
During the summer, you can run without a thermostat without any significant problems. In cold weather however, having no thermostat will prevent your car from warming up to normal operating temperature in a reasonable period of time, which will put additional stress on the engine and reduce your gas mileage substantially. You will also get virtually no heat to the passenger compartment. Two things you should check in regards to overheating: Is your water pump working and does your radiator fan switch on when the temperature rises above @190 degrees? If the vehicle has over 100,000 miles on it, you might as well replace the pump now. Don't use a rebuilt pump. They are ****. Get a new pump and a good quality thermostat. If the fan doesn't come on when it should, you probably need an new fan switch/sensor. These are inexpensive and easy to replace. Also check for signs of damage to the wiring leading to this sensor, and check the fan fuse and relay. Finally, make sure that your antifreeze mix is no more than 70% antifreeze to water for winter weather, or 70% water to antifreeze in summer. 50/50 is a good bet for year-round reliability, but a higher % water will tend to cool the engine more efficiently. Having said all that, I suspect your water pump is the main problem. If you notice a slow drip of coolant near the pump, you can be almost certain it has failed.
Posted on Dec 19, 2009
i have a 2005 1.8 nissan sentra.i rplaced the radiator becuause it was leaking.so when i did i took it for a test drive and the needle went to hot then back down to middle ways between the C & H BACK IN FORTH.so i replaced the thermostat. now as far as i can tell it is staying in the middle of C & H. i can't feel no water though cerulating through the top or bottom hose of the radiator. so now that i told you what i done so far my question is???? ( my heater is not working in the car it is blowing out cold air & i left the car runnng for about 45 min. even took it up and down the road.still cold air.what do you think i need to do?????????? )
Posted on Jan 07, 2010
first check and see if the fan is comming on when it gets hot if it does and you dont see any white smoke i would replace the radiator.
Posted on Feb 09, 2010
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