But for the average car owner, you can expect to pay between $140 and $300 for a professional mechanic to replace the thermostat in your vehicle for you. The cost of the actual thermostat unit itself is usually between $20 and $80 but can be more for luxury or sports cars.
What are the symptoms of a bad thermostat?
Bad Thermostat Symptoms
- Overheating Engine. If the thermostat stays closed, the engine’s coolant cannot reach the radiator and, therefore, cannot cool down. …
- Temperature Fluctuations. …
- Heater fluctations. …
- Possible Leakages & Steam from engine. …
- Rising Temperature and Full Expansion Tank.
Can I drive my car with a bad thermostat?
Can I Still Drive with a Bad Thermostat? The easy answer to this question is no. While your car may be physically able to move and get you from Point A to Point B, you will want to refrain from operating your vehicle. This can lead to more parts of your vehicle being damaged, especially if the engine is overheating.
Is it easy to replace a car thermostat?
Replacing a car’s thermostat (or T-stat) is an easy and inexpensive repair. In most cases it will cure an overheating or no-heat problem, sparing the time and expense needed for expert diagnostics.
How do I know if my car thermostat needs to be replaced?
Signs My Car’s Thermostat Is Going Bad or Has Failed Completely
- Odd Temperature Gauge Readings. Your temperature gauge should register cold when you first start your car and slowly build up to normal as the engine warms up. …
- Air Temperature Changes. …
- Coolant Leaks. …
- Strange Sounds. …
- Heater Problems.
How long do car thermostats last?
However, most car experts recommend car thermostat replacement after 10 years. However, this is an optimistic number. Thermostats are more likely to stop working much earlier than a decade. Some factors that induce an early thermostat failure include harsh weather, rough driving, bad engine or thermostat parts.
Will check engine light come on if thermostat is bad?
the most noticeable issues occur when the thermostat gets stuck in either the open or closed position. a malfunction can result in a trouble code, generated by the engine’s computer, which can turn on your check engine light.
What causes a thermostat to fail?
Thermostats fail because they become weak, stuck open or stuck closed. When a thermostat is stuck open, coolant constantly circulates and the engine takes longer to reach operating temperature.
How do you check your car thermostat?
Start your car’s engine and allow it to idle. Look through the radiator filler neck to see if the coolant flows. At this time, it should not be flowing as your car has not reached the operating temperature to cause the thermostat to open. If you find the coolant is flowing, it means the thermostat valve is open.
How much does it cost for a thermostat?
Thermostat Replacement Cost
The average cost to replace a thermostat in a home is $140 to $350, including the unit and professional installation. Thermostat prices range from $15 to $250, depending on the type, brand, and features. Nest thermostat installation costs $100 to $200 for labor if the unit is provided.
Do I need to drain coolant to replace thermostat?
With a normal top-mounted thermostat you need drain only part of the cooling system . Do not drain it while the engine is hot — you may be scalded. … Drain the coolant from the radiator tap, or from the bottom hose, until it is below the level of the thermostat housing.
What happens when car thermostat goes bad?
Because your thermostat controls temperature of fluids from the radiator hose, a bad thermostat will cause your car to overheat. … If the thermostat becomes stuck in the closed position, antifreeze doesn’t flow from the radiator, causing overheating.
How do I know if my thermostat or water pump is bad?
Five Signs Your Water Pump Is Failing
- Overheating. A dead or dying water pump cannot circulate coolant through your vehicle’s engine and, as such, the engine will overheat. …
- Coolant Leaks. Coolant leaks from the water pump are common and a clear sign that it’s time to replace the pump. …
- Corroded Water Pump. …
- Whining Noises.