Kia Optima Car Thermostat Replacement at your home or office.

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Car Thermostat Replacement Estimate for Kia Optima

Kia Optima Car Thermostat Replacement costs $145 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$111 to $251
Labor: $70 -$112
Parts: $41 -$139
Average Dealer price
$175 to 407
Average Shop price
$134 to 290
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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CarServiceYourMechanic PriceShop/Dealer Price
2009 Kia OptimaV6-2.7LService typeCar Thermostat ReplacementYourMechanic Price$183.12Shop/Dealer Price$224.73 - $303.81
2002 Kia OptimaV6-2.7LService typeCar Thermostat ReplacementYourMechanic Price$155.12Shop/Dealer Price$190.99 - $265.77
2011 Kia OptimaL4-2.4LService typeCar Thermostat ReplacementYourMechanic Price$179.56Shop/Dealer Price$220.31 - $296.75
2015 Kia OptimaL4-2.0L TurboService typeCar Thermostat ReplacementYourMechanic Price$279.10Shop/Dealer Price$344.77 - $495.88
2001 Kia OptimaL4-2.4LService typeCar Thermostat ReplacementYourMechanic Price$157.18Shop/Dealer Price$193.51 - $269.79
2016 Kia OptimaL4-2.4L HybridService typeCar Thermostat ReplacementYourMechanic Price$239.96Shop/Dealer Price$295.77 - $417.48
2002 Kia OptimaL4-2.4LService typeCar Thermostat ReplacementYourMechanic Price$157.18Shop/Dealer Price$193.58 - $269.92
2012 Kia OptimaL4-2.4L HybridService typeCar Thermostat ReplacementYourMechanic Price$274.06Shop/Dealer Price$338.49 - $485.85
Show example Kia Optima Car Thermostat Replacement prices

Car Thermostat Replacement Service & Cost

What is the Thermostat all about?

A thermostat is part of the cooling system that regulates the temperature of the coolant in the engine. The thermostat is a metal valve that has a temperature sensor built in. It can either be open or closed. When the thermostat is closed, it keeps the coolant in the engine. When the engine gets to a predetermined temperature, the thermostat opens allowing coolant to circulate. The circulation of coolant prevents the engine from overheating. If the thermostat fails to open, the car will overheat. If the thermostat fails to close, the engine may never reach the optimal temperature (~220F). The thermostat opens and closes many times when the car engine is running. It is the most common component in the cooling system to fail, causing the car to overheat.

Thermostat

Keep in mind:

  • The entire cooling system should be inspected when the thermostat is replaced.
  • When the thermostat is replaced, the gaskets and housings should be cleaned thoroughly.

How it's done:

  • Scan the computer in the car for codes.
  • Verify that the car is overheating.
  • Remove and replace thermostat if it is faulty.
  • Clean old gasket surfaces.
  • Remove corrosion from housings/hose connections.
  • Fill cooling system.
  • Check for leaks and proper operating temperatures.

Our recommendation:

Have the thermostat replaced anytime you have major work done on the coolant system.

What common symptoms indicate you may need to replace the Thermostat?

  • Engine overheats.
  • Car heater does not work.
  • Check Engine light is on.

How important is this service?

A vehicle’s engine gets extremely hot, and in order to avoid overheating, it needs to be properly cooled. The engine is cooled by a viscous liquid called coolant. The coolant is circulated around the engine, where it absorbs heat, which allows the engine to remain at a safe temperature. A fan then lowers the temperature of the coolant, which allows it to run back through the engine once more. The thermostat is responsible for determining when the coolant needs to enter the engine. The thermostat determines the temperature of the engine, and then acts as a valve that allows coolant in, or keeps coolant out. When the engine is too cold, the thermostat keeps coolant out; when the engine is too hot, it lets coolant in.

When the thermostat stops working, it will either get stuck open or closed. If the thermostat is stuck open, the coolant will constantly flow through the engine, absorbing too much heat, and the engine will never reach optimal running temperature. If the thermostat is stuck closed, the coolant will never circulate through the engine, and your engine will quickly overheat, which can cause severe damage.

Fast and easy Car Thermostat Replacement service at your home or office.

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Meet some of our expert Kia mechanics

Real customer reviews from Kia owners like you.

735 reviews
Peter
39 years of experience
Came early. Got it done. Didn't upsell. Then to make it even better, he explained in detail how I could change my own cabin filter so I could save money!
2012 KIA OPTIMA - OIL CHANGE
429 reviews
Noe
32 years of experience
Second time booking Noe, and he did a perfect job once again
2010 KIA OPTIMA - OIL PAN GASKET REPLACEMENT
370 reviews
Trung
8 years of experience
Trung called 20 minutes before appointment to let me know he would be arriving in 10 minutes which I thought was great. When he arrived he appeared very professional and explained to me all the services that would be performed on my vehicle. So I left him the keyes, went back into my office and 45 minutes later he called to let me know my vehicle was done. When I came out he showed me that my air filter was extremely dirty and offered to run to the parts store and pick one up and it would only cost me the $23.00 additional for the filter. I absolutely thought this was tremendous service. Trung went far beyond any expectations I had for a mobile mechanic service and I will surely be recommending Trung and Yourmechanic to all my friends and family. Thank you Trung for the great service and thank you Yourmechanic!
2012 KIA OPTIMA - OIL CHANGE
136 reviews
Pete
12 years of experience
Helpful and competent
2006 KIA OPTIMA - RADIATOR HOSE - UPPER REPLACEMENT
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceYourMechanic PriceShop/Dealer Price
2009 Kia OptimaV6-2.7LService typeCar Thermostat ReplacementYourMechanic Price$183.12Shop/Dealer Price$224.73 - $303.81
2002 Kia OptimaV6-2.7LService typeCar Thermostat ReplacementYourMechanic Price$155.12Shop/Dealer Price$190.99 - $265.77
2011 Kia OptimaL4-2.4LService typeCar Thermostat ReplacementYourMechanic Price$179.56Shop/Dealer Price$220.31 - $296.75
2015 Kia OptimaL4-2.0L TurboService typeCar Thermostat ReplacementYourMechanic Price$279.10Shop/Dealer Price$344.77 - $495.88
2001 Kia OptimaL4-2.4LService typeCar Thermostat ReplacementYourMechanic Price$157.18Shop/Dealer Price$193.51 - $269.79
2016 Kia OptimaL4-2.4L HybridService typeCar Thermostat ReplacementYourMechanic Price$239.96Shop/Dealer Price$295.77 - $417.48
2002 Kia OptimaL4-2.4LService typeCar Thermostat ReplacementYourMechanic Price$157.18Shop/Dealer Price$193.58 - $269.92
2012 Kia OptimaL4-2.4L HybridService typeCar Thermostat ReplacementYourMechanic Price$274.06Shop/Dealer Price$338.49 - $485.85
Show example Kia Optima Car Thermostat Replacement prices

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1-800-701-6230 · hi@yourmechanic.com