Thermostat

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Thermostat

The thermostat is an important part of your cooling system. Your vehicle’s thermostat performs a similar function to the thermostat in your home. At home, you set your thermostat to maintain a comfortable temperature range. When your home gets too hot, the air conditioning kicks on and when it gets too cool, the heater turns on.

Now your engine also has an optimal temperature range: warm enough to run efficiently and not so hot as to cause engine damage. Your vehicle’s thermostat is a valve between the engine and the radiator. When you first start a cold engine, the valve (thermostat) is closed, allowing the coolant surrounding the engine to warm up to the proper operating temperature. As the coolant gets hotter, the thermostat opens, allowing coolant to flow through to the radiator to be cooled. The thermostat opens and closes to keep the engine within a certain temperature range.

Now thermostats are rated for a specific temperature depending on the engine – not a one size fits all proposition. Thermostats are subject to normal wear. Proper operation depends on a special wax that expands as it heats up to open a spring-loaded valve. A worn thermostat could stick in the open position causing the engine to run too cool. This is inefficient and could hurt performance and fuel economy. If a thermostat sticks in the closed position, the engine can quickly overheat, possibly causing damage.

There isn’t a specific maintenance routine for the thermostat, but maintaining your cooling system by changing your coolant/antifreeze on schedule will make sure the coolant has enough corrosion inhibitors to protect the thermostat and other vital system components. Cooling system experts recommend replacing your thermostat when you do a coolant flush or exchange. Also, thermostats usually wear out faster than your hoses, so if you need to replace worn hoses, replace the thermostat at the same time.

If your temperature warning light comes on, have your cooling system inspected right away. This could be a thermostat problem. The thermostat could also be the culprit if you aren’t getting hot air when you turn on your heater.

The thermostat is a relatively inexpensive part that stands guard between you and catastrophic engine damage. Follow your owner’s manual instructions, or check with your service advisor to see if it’s time for a cooling system inspection or service.

Give us a call

Pro Muffler & Brake Shop
2094 South M-139
Benton Harbor, Michigan 49022
269.926.2006

http://promufflerandbrake.com/

Thank you Pro Muffler & Brake Shop! If I have a problem with my brakes or my muffler again, I will come to you! Many thanks to you & staff. My car runs so much better and because of you guys I have confidence in driving my car. Customer of '97 Honda Civic
Dear Kevin & Rich,We finally made it to the West Coast. We’re in Northern California headed down to San Fran. We picked up my PT Cruiser and it’s holding up well… So far. I don’t want to jinx myself. Hope all is well in Michigan. Perhaps we’ll meet again. Thanks for all your kindness!Sincerely, Beth & Jerod
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