Fiat X-1/9 Car Thermostat Replacement at your home or office.

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$168.74 - $181.86

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Car Thermostat Replacement Estimate for Fiat X-1/9

Fiat X-1/9 Car Thermostat Replacement costs $174 on average.

CarServiceEstimateShop/Dealer Price
1979 Fiat X-1/9L4-1.5LService typeCar Thermostat ReplacementEstimate$268.73Shop/Dealer Price$326.51 - $473.19
1983 Fiat X-1/9L4-2.0LService typeCar Thermostat ReplacementEstimate$262.49Shop/Dealer Price$318.65 - $460.61
1980 Fiat X-1/9L4-1.5LService typeCar Thermostat ReplacementEstimate$262.49Shop/Dealer Price$318.71 - $460.71
1982 Fiat X-1/9L4-1.5LService typeCar Thermostat ReplacementEstimate$267.49Shop/Dealer Price$322.99 - $464.45
1983 Fiat X-1/9L4-1.5LService typeCar Thermostat ReplacementEstimate$262.49Shop/Dealer Price$320.39 - $463.65
1981 Fiat X-1/9L4-1.5LService typeCar Thermostat ReplacementEstimate$262.49Shop/Dealer Price$317.48 - $458.57
Show example Fiat X-1/9 Car Thermostat Replacement prices

Car Thermostat Replacement Service

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 Fiat mechanics

Real customer reviews from Fiat owners like you.

Excellent Rating


YourMechanic Fiat Thermostat Replacement Service

Average Rating

4.9/5

Number of Reviews

7

Rating Summary
6
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Chet

39 years of experience
440 reviews
Chet
39 years of experience
Fiat 500 - Thermostat - San Diego, California
Described his work to me in a clear understandable manner and just a great person. Will love to work with him again.

Joe

13 years of experience
360 reviews
Joe
13 years of experience
Fiat 500 - Thermostat - Franklin, Tennessee
Very conscientious. Did excellent work.

Andrew

13 years of experience
189 reviews
Andrew
13 years of experience
Fiat 500 - Car Thermostat Replacement - Vancouver, Washington
Andrew did a great job changing out the Thermostat in my Fiat 500, it was really nice to be able to have the service done at my home in a cost effective, timely manner.

Pete

14 years of experience
192 reviews
Pete
14 years of experience
Fiat 500 - Car Thermostat Replacement - Chula Vista, California
Pete was very busy on the day that he was scheduled to come to our residence. But he tested us in advance letting us know of the delay. Outstanding service!

Excellent Rating


YourMechanic Fiat Thermostat Replacement Service

Average Rating

4.9/5

Number of Reviews

7

Rating Summary
6
1
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6
1
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Red-stars EXCELLENT RATING ON
Number of Fiat Thermostat Replacement services completed
77+
services done by our mechanics
TOTAL NUMBER OF EXPERT Fiat MECHANICS
200+
experts on our platform

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