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Why is coolant leaking from my thermostat housing?
A damaged thermostat housing will leak engine coolant when the engine is up to operating temperature. The leak could originate from a crack in the housing, or it could come from a broken seal between the housing and the engine.
How do you know if your thermostat housing is leaking?
Signs and Symptoms of a Leaking Thermostat Housing
- High Readings on Temperature Gauge. With a leaking thermostat housing, the distribution of coolant throughout your engine will be severely compromised.
- Fluctuating Temperature Readings.
- Coolant Leaks.
Can thermostat cause coolant leak?
It’s possible that the thermostat isn’t allowing the coolant to flow when it’s stuck in the closed position. This can cause other hoses to leak as well as cause your vehicle’s coolant to leak on the ground.
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.
Why is my thermostat still 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.
Why would my thermostat leak?
When should I replace my thermostat housing?
The thermostat housing will need replacing if your vehicle outlasts the thermostat, and the part is not functioning correctly. If the hose cracks, the seals are damaged, or the housing cracks due to consistent cooling and heating, the overall thermostat housing can break down and wear out over time.