Nissan ARIYA Car Thermostat Replacement at your home or office.

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Car Thermostat Replacement Service

How much does a Car Thermostat Replacement cost?

On average, the cost for a Nissan ARIYA Car Thermostat Replacement is $309 with $113 for parts and $196 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
* Nissan ARIYAElectricService typeCar Thermostat ReplacementEstimate$442.34Shop/Dealer Price$503.72 - $676.50
Show example Nissan ARIYA Car Thermostat Replacement prices

What is an engine cooling system thermostat and how does it work?

The car's engine cooling system thermostat is a small valve within a cooling system passageway that opens and closes in response to the temperature of the circulating engine coolant. When your car is first started and the coolant is cold, the valve in the thermostat will be in the closed position, circulating the coolant flow only within the engine instead of flowing to the radiator, which allows the engine to warm up fast, promoting fuel efficiency, low emissions, and reduced engine deposits. Once the engine coolant reaches the design temperature, usually around 195 degrees, the valve will open and close as you drive in order to maintain a coolant temperature typically between 195 to 225 degrees Fahrenheit.

Thermostat

When to consider replacing the engine cooling system thermostat:

  • Engine overheats. A thermostat with the valve stuck closed is a common cause of engine overheating. However, since there are other causes of overheating, a mechanic will thoroughly inspect the cooling system prior to condemning the thermostat. Since it is usually not known how badly the engine overheated, the mechanic will also try to determine if there is evidence that the cylinder head gasket was blown. If so, it would be repaired prior to replacing the thermostat.
  • Temperature gauge reads too low or too high. Thermostats can get sticky, causing the engine temperature to stray from the optimal range. Your dash-mounted temperature gauge will notify you of this malfunction.
  • Cooling system repairs. All thermostats eventually fail. Therefore, if the cooling system is already open for major repairs, such as water pump or radiator replacement, it is recommended to install a new thermostat simply as insurance against future breakdown.

How do mechanics replace the engine cooling system thermostat?

  • Once the engine is completely cold, the radiator cap is loosened and enough coolant is drained from the radiator so the coolant level is below the thermostat housing.
  • The thermostat housing is removed and the thermostat and gasket are extracted. Note that some cars have more than one cooling system thermostat and both might need replacement.
  • All mounting surfaces on the thermostat housing are cleaned of old gasket material. A new gasket is applied and the thermostat is re-installed in the correct orientation and with the temperature sensing cylinder facing downward towards the engine.
  • The thermostat housing bolts are tightened to original equipment manufacturer (OEM) specifications using a calibrated inch-pound torque wrench.
  • The cooling system is refilled with the appropriate coolant type and the system is fully bled of all air.
  • The car engine is run until the normal operating temperature is reached, and while taking precautions with the hot coolant, the coolant level is rechecked while confirming there is flow through the radiator — either visually or with an infrared temperature gun. This will confirm the thermostat is open. Finally, the engine is checked for leaks.

Is it safe to drive with an engine cooling system thermostat problem?

No. If it has been determined that there is a thermostat problem, it should be repaired right away. Failure to do so can cause substantial and costly damage to the engine.

When replacing the engine cooling system thermostat keep in mind:

  • Engine overheating due to causes other than a faulty thermostat, will themselves damage a thermostat. Therefore, always replace the thermostat if the engine overheats, even if the thermostat was not the initial cause of the overheating.
  • The thermostat should be replaced anytime you have major work done on the coolant system. It is convenient and costs little during such repairs and insurance against future breakdown.
  • OEM thermostats are the best ones to use and you can request your mechanic to install only the OEM thermostat. Dealer supplied, OEM thermostats are sometimes more costly but are generally higher quality and specifically engineered for your car.

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Meet some of our expert Nissan mechanics

Real customer reviews from Nissan owners like you.

Excellent Rating

(108)

Rating Summary
94
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7
94
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Ramon

8 years of experience
184 reviews
Ramon
8 years of experience
Nissan Altima L4-2.5L - Thermostat - Los Angeles, California
Awesome experience again thanks so much!

Theodore

17 years of experience
1794 reviews
Theodore
17 years of experience
Nissan Maxima V6-3.5L - Thermostat - Redmond, Washington
Theodore replaced my Front Brake Pads/Rotors and Coolant Thermostat. He was inquisitive about why the Thermostat needed to be replaced and what steps I had previously taken to arrive at this conclusion. I appreciated this level of attention, he was there to diagnose/fix my car and help me save myself from unnecessary repairs, rather than only do what the invoice/quote said. Turnaround was quick and service was polite. At the end of my service the Front Suspension was still making some noises, he offered to take a quick look again but didn't quite find the problem. He suggested making a second appointment with YourMechanic to look into the issue further. A few hours after he left I found that one of the heat-shields on the front brakes was rubbing on the rotor, something that he had checked. Nevertheless, I bent it back with a screw driver and the noise was gone. Despite this slight oversight, I would recommend Theodore for excellent/fast/punctual work.

Joe

16 years of experience
453 reviews
Joe
16 years of experience
Nissan Versa L4-1.8L - Thermostat - Nashville, Tennessee
Professional

Richard

14 years of experience
601 reviews
Richard
14 years of experience
Nissan Frontier L4-2.4L - Thermostat - Las Vegas, Nevada
very excellant job an quick

Excellent Rating

(108)

Rating Summary
94
6
1
0
7
94
6
1
0
7
Number of Nissan Car Thermostat Replacement services completed
1188+
services done by our mechanics
TOTAL NUMBER OF EXPERT Nissan MECHANICS
1600+
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