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Changing a thermostat in a John Deere 445 k series. Temp goes into the red and back down again. Not using any coolant.

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 2002 KIA Sedona Overheating

most likely, replace thermostat .

Posted on Apr 14, 2009

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SOURCE: 2000 3.8 Impala keeps overheating even after

Sounds like there could be an air pocket in your cooling system. If the job was done by a mechanic take it back. If a "friend" helped you, tell him to rebleed the system. Also seems like your water pump might be bad. If it was overheating before changing the thermostat and is still doing the problem only worse then I would assume the pump needs to be changed. If the pump is bad, there is no doubt that air is in the system still and causing the overheating to occur even faster.

Posted on Sep 28, 2009

Testimonial: "Thanks will check....how do u check water pump or fan relay"

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SOURCE: coolant temp below thermostat regulating temp

more than likely the thermostat has stuck open. Or opening to soon not allowing the car to reach normal operating temperature. I would start by replacing the thermostat. Clearing the code and running a drive cycle and see if the code comes back. if the code does not return problem solved. if it does return replace the coolant temp sensor.

Posted on Oct 17, 2009

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SOURCE: The cars temp gauge goes up and down,and looses

My mechanic has had my Silhouette for two weeks for the same problem. Engine Tempurature is running at 195 degrees when the gauge is pegged on overheat. Normal operating temp for this van is 220. So it is not overheating. Had the cooling/heating system flushed and refilled, bled and topped off. Still the gauge is up and down like a yoyo. Still looking for answers.

Posted on Nov 30, 2009

motor1258
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SOURCE: My 2001 ford Taurus heating temp gauge is not

Start the engine when cool, remove rad cap and start engine and let it run with the heater on. (not defrost) Top up coolant as needed in rad, and let it run until either the rad fan comes on and off 2 or 3 times, or you can see increased flow in rad from thermostat opening. It will obviously happen after it reaches operating temperature, so watch after gauge gets close to there. Wait until you see that flow 2 or 3 times or fan comes on and off before you put cap on, and fill return bottle to proper level as well. That should cure it, by getting air out of system, and coolant flowing through heater core.

Posted on Dec 24, 2009

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My 2002 altima overheats. i changed radiator cap and removed thermolstat.now the temp gauge goes up and comes back down


The thermostat regulates engine temperature. Without it, there's no temp regulation, so of course the temp is going up and down. It's time to check coolant level, the radiator for plugged tubing, the water pump for proper operation. Those are the things you should have done way before removing the thermostat. That was a really bad decision.

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Make sure the coolant level is correct. If it is, could be a bad water pump or a clogged radiator. Check the radiator to see if it looks like the inside has a lot of scale and deposits. Remove some coolant if necessary. If the radiator looks relatively clean , could be a bad pump.

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While running the air conditioner the Thermostat goes hot, when I turn the air conditioner off it goes back down. The low coolant light came on but the coolant is full. What else could it be?


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The coolant system could be low or have air pockets and still look full.
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Changed thermostat. temp guage rising to "H" after about a week. little steam coming from radiator cap. reserve FULL and not going down. added coolant/water to radiator. temp gauge OK. could...


Hi,
If you are not seeing any leaks, most likely air in the coolant system, improper/weak coolant mixture, bad radiator cap, bad thermostat. Sounds more like the air and/or weak coolant to me.
Mike

Jun 20, 2011 | 1999 Chrysler Sebring

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Temp gauge goes all the way up to red then back down and i have heat for like 20 seconds then goes back up.. car is overheating really bad, put coolant in.thermostat should be good, was replaced not to...


make sure coolant is topp4ed off completely. check radiator for sifficient flow and no leaks. has it ever been out of water {maybe during a hose change'}. not sure about yours but a lot of vehicles have an air purge valve to get ALL the air out of engine cooling system. check these things and get back with me. oh yeah, theres also the coolant temp sensor.

Jan 17, 2011 | 1995 Ford Mustang

1 Answer

Temp gauge goes into the red while driving then back down to normal levels. Pulled over and checked the coolant level. Overflow was half full and the radiator cap was cool to the touch.


your thermostat is not opening there for not allowing hot coolant to exchange into the radiator. replace thermostat.also causing you to overheat

Jan 17, 2010 | 2002 Pontiac Montana

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change the thermostat and the temp gauge in the radiator

Mar 03, 2009 | 2001 Chevrolet Impala

1 Answer

Heater temperature fluctuates which effects the temp gauge


Sounds like SOUNDS like thermostat and a pressurised coolant flush would be a good place to start that thermostat might be opening and closing due to the above perfect place to start.John

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3 Answers

1994 laredo jeep overheating


ok.. got your problem...

well you better check the fan blower resistor, & the compressor unit.., for any problem..

Regards,
micro

Jul 15, 2008 | 1999 Jeep Grand Cherokee

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