Coolant leaks from thermostat housing Is there another gasket besides I

Asked by Kevin Jul 15, 2020 at 02:13 PM about the 2017 Toyota Corolla LE

Question type: Maintenance & Repair

Coolant leak at thermostat housing(Plastic)
have new O ring Coolant just keeps seeping
thru.Is there another gasket I need? Help

1 Answer
35,165

lrodri911 answered 4 years ago

Just the O ring. Make sure the groove where O ring sits, is clean, smooth and torqued to spec. If everything looks good and still leaks, use blue silicone over the O ring and let it sit for a about 4 hrs before adding coolant or running the engine.

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