Why is my O ring leaking?
Why is my O ring leaking?
If YES, then most likely causes of leakage: 1. The O-ring is not being squeezed enough to ensure reliable sealing. 2. The surface finish of the mating parts is too rough to attain a good seal, or the metal surface is scratched.
Where does thermostat O ring go?
Put in Thermostat then Oring then housing on top. Oring is to seal between housing and thermostat not thermostat and engine block.
Does a bad thermostat cause coolant to leak?
A coolant leak can be due to a stuck-closed thermostat. The continuous closure of the thermostat along with the pressure acting on the coolant can result in coolant leaking around the thermostat housing. In more serious scenarios, the coolant might leak from both hoses surrounding the radiator.
What should I drain before replacing the thermostat on my car?
Drain about two quarts of coolant using the radiator drain valve before disconnecting the upper radiator hose from the thermostat shell. This will bring the coolant level to below the thermostat housing and prevent coolant from splashing over belts and other components after separating the upper radiator hose.
How do you remove a thermostat from a radiator?
Disconnect the upper radiator hose from the thermostat housing. To locate the thermostat housing: Follow the upper radiator hose back to the engine. On some models, you need to remove the air filter assembly to clear the area around the thermostat case.
How can I check the alignment of my thermostat?
Check Thermostat Alignment Carefully lift the thermostat housing away from the engine. Before removing the thermostat, pay attention to the way the thermostat aligns inside the housing. To check the alignment, note which direction the bleed pin—near the edge on the round base of the thermostat—points to.
What kind of wrench do you use to remove a thermostat?
Use the Appropriate Tool Use a six-point wrench or six-point socket of the correct size when removing the two or three housing mounting bolts. Using a six-point tool will avoid rounding off the bolts’ heads. 5. Remove the Thermostat Housing
