Richard McCuistian, ASE Certified Master auto Technician

Technical Reviewer at

Written by Staff authors - to update on October 27th, 2021

Your vehicle’s cooling mechanism ensures that your engine maintains optimal operation temperatures when you’re ~ above the road. But over time, parts of this system might wear out and require replacement. This write-up will talk about the importance of your thermostat and what may occur if its real estate leaks coolant.

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What is a Thermostat?

The thermostat regulates the circulation of coolant in between the engine and radiator. The thermostat remains open up to allow coolant to flow into your engine and also maintain optimal operating temperature.

What reasons Thermostat real estate Leaks?

Your auto can either have a stand-alone or an combined thermostat real estate made the high-quality plastic or metal. While these materials are designed to last for a long time, exposure to excessive temperatures and also movement in the coolant rubber water tap may cause your thermostat to eventually spring a leak.

Coolant will also leak out of the system once the housing is cracked, warped, or damaged in any kind of way. A fail or worn seal may likewise cause a similar issue. Your engine may overheat if your thermostat housing keeps top top leaking, for this reason it’s ideal to attend to this issue right away.

You can generally find the thermostat in the housing where the upper radiator water tap connects come the entry manifold cooling passage.

Ford traveler 4.0L SOHC engines have a plastic thermostat real estate front and center and also it nearly always cracks and also begins to leak somewhere between 75,000 and also 120,000 miles.

Thermostat Locations

Notable exceptions to the top radiator hose dominion would be the 2.7L V6 Dodge/Chrysler engine (Dodge Stratus), which has the thermostat an installed low ~ above the front next of the engine block behind the A/C compressor.

And 2.2L Toyota Camry engines from the 1990s have actually the thermostat placed where the bottom radiator hose connects to the engine. The slant 4 engines in VW rabbits were collection up the same way. This engines are basic to fill through coolant because no wait is trapped in the cooling device by the thermostat.

Even together far earlier as the 1980s, Ford 2.8L V6 Mustang engines had actually the thermostat placed where the reduced radiator hose connects.

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