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The total price to repair or replace your existing thermostat, including labor, is between $70 to $520. But this repair or replacement cost can vary based on your vehicle’s make and model.
Here are a few examples:
A thermostat replacement is critical and should be addressed at the earliest.
The thermostat plays an important role in the HVAC system (Heating, Ventilation, and Air Conditioning), keeping your engine running at the right temperature. If you don’t get a thermostat replacement when you need it, the engine might overheat and face serious damage.
An overheating engine may shut down, and you could be left stranded in the middle of traffic. And if the thermostat valve is stuck open, you’ll face poor mileage and engine damage — both of which will increase the price you pay while the problem stays unresolved.
So, install a replacement thermostat as soon as possible to keep your engine running smoothly and your HVAC heating correctly.
Here are four common symptoms that indicate you may need thermostat repair:
Here are quick answers to four questions about thermostats and their replacement:
The thermostat helps keep your engine running at the right temperature. It’s an important part of your vehicle’s cooling or heating system or HVAC system, helping regulate the temperature setting of the vehicle.
When you start your car, the thermostat valve is closed, preventing the coolant flow from reaching the radiator and cooling the engine. It traps the engine heat, helping it quickly heat up to the right temperature. This, in turn, promotes efficient fuel use and reduces engine deposits.
When the engine hits a certain temperature (usually around 195°F), the valve opens, allowing the radiator to cool the liquid coolant. This keeps the engine at an optimal temperature (between 195°F to 225°F), preventing overheating.
Vehicle thermostats may be either mechanical or digital. Here are the different types available for your car:
A car thermostat does eventually wear down and fail. So, most mechanics recommend a thermostat replacement after 10 years.
As a safety measure, you could replace your existing thermostat when your vehicle’s cooling system components are serviced. This can include a radiator hose replacement, water heater installation, or air conditioner repair (AC repair).
Thermostat replacement requires a fair bit of knowledge and experience to ensure that the components and the cooling system work efficiently. So, it’s best to leave the replacement to a professional mechanic rather than attempt a DIY repair.
Here’s a general guideline on how a mechanic would perform a thermostat replacement:
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