What is the thermostat housing?

In many internal combustion engines the thermostat housing acts as the coolant outlet, it is normally located on the engine block or cylinder head. As the name implies, this engine component houses the thermostat which regulates the coolant flow.

How important is a thermostat housing?

The thermostat is required in every single car to keep the engine operating at the proper temperature. The thermostat’s duty or the thermostat housing is to impede the flow of the coolant to the radiator until the engine has reached the proper operating temperature to run correctly.

How does a thermostat housing work?

The thermostat housing is located in the engine in between the engine and the radiator. When the engine cools off below the operating temperature, the thermostat housing is closed. The engine’s closed-off part allows the coolant to properly and effectively circulate and move through the engine.

What is the difference between thermostat and thermostat housing?

The thermostat housing and the thermostat itself are two different components and do not necessarily need to be replaced together or at the same time. The housing is just a piece that covers the thermostat that also has an opening for a radiator hose which is where the water enters and exits the motor.

Should I change thermostat housing?

If the coolant thermostat housing is broken or leaking, it should be replaced as soon as possible. If the coolant level or size of the leak is sufficient to cause the engine to overheat, the vehicle should be pulled over immediately and should be towed to a trusted repair facility.

Why is my thermostat housing leaking?

It could be a thermostat gasket leaking if it is coming from the thermostat location. The leaking hose will need to be replaced if the leak is coming from one of the hoses. A cooling system pressure test can reveal the leak location.

How do I change thermostat housing?

In this article

1. Introduction.
2. 1Locate your thermostat if you haven’t already done so.
3. 2Place a bucket under where you’re going to be working.
4. 3Remove the clamp.
5. 4Pull off the hose.
6. 5Remove the bolts that hold the thermostat housing in place and lift out the old thermostat.
7. 6Lay the new gasket in place.

How do you know if you need a new thermostat housing?

Signs You Need a New Thermostat

• Heating or cooling system will not turn off or on.
• The temperature reading is incorrect.
• Recent spike in your energy bill.
• Frequent temperature fluctuations.
• Thermostat is 10 years old or older.

How do you fix a thermostat housing leak?

How to Fix a Leaking Thermostat Gasket

1. Set the shifter in park, for an automatic.
2. Locate your thermostat housing by following the upper radiator hose to the engine block.
3. Spray the thermostat mounting bolts with penetrating oil and let it soak for 15 minutes.
4. Place the thermostat housing upside down in a bench vice.

How do you stop a thermostat housing leak?

1 Answer

1. Drain your coolant system.
2. Remove the two clamps from the hoses on the housing.
3. Remove the two hoses from the housing.
4. Remove the two bolts holding the housing.
5. Remove the housing.
6. Remove the thermostat.
7. Clean the housing and the head at the mating surface.
8. Install a new thermostat (see note below).

How long does it take to change thermostat housing?

The thermostat replacement job should take a mechanic about 1 to 2 hours to complete it. Therefore, you end up paying more money for the labor than you do for the actual thermostat part. A lot of car owners try to save money by replacing the thermostat themselves.

Can a thermostat housing be repaired?

Fixing a Thermostat Housing Leak Coolant leaks may come from a crack in the housing or from the seal between the housing and engine. In either scenario, the faulty component will need to be replaced. A replacement thermostat housing will cost you around $50 to $250 on parts alone.

What is the purpose of a thermostat housing?

The main purpose of a thermostat housing is to contain the engine thermostat and provide a coolant outlet to the radiator. In some cases, each radiator hose will be connected to a similar looking housing, with one serving as a coolant inlet and the other as an outlet.

When does the thermostat housing have to open?

When the engine temperature increases to the high end of the engine operating range, the thermostat housing has to open. When the thermostat housing opens, the radiator can cool the coolant before moving back to the engine. To best understand how the thermostat housing works, you must know the engine’s function and the radiator in your car.

Where is the thermostat housing in a car?

The thermostat housing is a crucial part of the internal working of your voice. The thermostat housing is located in the engine in between the engine and the radiator. When the engine cools off below the operating temperature, the thermostat housing is closed.

Is the radiator housing the same as the thermostat?

In some cases, each radiator hose will be connected to a similar looking housing, with one serving as a coolant inlet and the other as an outlet. The thermostat housing will typically be the one with a larger bulge where it meets the engine, as it has to have room for a thermostat while the other, empty housing is simply an inlet or outlet point.