2005 Chrysler 300 overheating

  • 2005 CHRYSLER 300
  • 248,000 MILES
Need to find where the thermostat is located to replace it. Can it be done myself and do I need any technical tools to do the job. Can I get to it without having to take any parts of the engine off. I have 248000 miles so will I need to replace the thermostat with a different type sense it has so many miles, such as a higher degree. Thanks for your help.
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Saturday, August 24th, 2013 AT 1:04 PM

1 Reply

First, I need to know the engine size. However, if you follow the upper radiator hose back to the engine, it should lead you to the thermostat housing. You will need to drain the radiator to a level below the height of the thermostat. Once you have done that, remove the bolts that hold the housing in place. Pay attention to the direction the original thermostat is sitting so you can put the new one in the same way. Once you replace the thermostat into the housing and replace the gasket, tighten things up and refill the coolant. NOTE: Disconnect the neg battery terminal before you begin your work. Also, if you look on our homepage under the DIY section, you will find detailed instructions for this process.

Most are under the thermostat housing that the upper radiator hose is attached to. On some that housing is attached to the lower radiator hose and you get to it from under the car. No special tools are needed.

What is the symptom you're addressing that makes you think you need a new thermostat? Mileage has nothing to do with the temperature rating. Put back in there what the engine calls for. All of the computer controls and emissions devices rely on the engine staying at the proper temperature.

As far as a hotter degree, no. Stay with the OEM type which should open fully at 195 degrees (if I recall correctly).
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Saturday, August 24th, 2013 AT 7:27 PM

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