2005 Toyota Corolla - Thermostat and Housing Replacement

Learn how to replace the thermostat and housing on this Toyota vehicle.
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[@GDavis49]

Well done, appreciate the thorough video 👍

[@dyardsale5475]

Good video. I gave it thumbs up.

[@steakdave666]

Awesome DIY video!

[@justocabo3864]

Thanks a lot Sr...it help me

[@Ali-jt3gn]

I was searching it for 2 hrs

[@davida871]

Great job. Thanks

[@kerwinwade1884]

Good day, thanks for the video
I would like to ask if you need to replace the housing at the same time if you replace the thermostat?

[@moosemobileautorepair]

Replace both the thermostat and housing. The housing is plastic and should be replaced at the same time.

[@saw31489]

When do you actually remove the housing? I see you take off the cover, but not the housing

[@SeanRohit]

If where the thermostat is corroded and it leaks after the housing is replaced, what else can be done to fix it? I had to remove my thermostat because of that.

[@moosemobileautorepair]

If it leaks it is probably because that the surfaces were not cleaned properly. The surfaces on the block need to be cleaned well, but being careful not to damage the aluminum. I used Scotch Brite sandpaper for that. You could use that or equivalent.
Also, if the nuts were overtightened it could crack and damage the plastic housing. Some aftermarket housings can be problematic sometimes too. Make sure those nuts are torqued properly otherwise it could lead to leaks.
Lastly, it's a good idea to lubricate the rubber seal with new coolant before installation to help seal properly as well.

[@moosemobileautorepair]

Also, make sure that the thermostat and the seal sits flush inside the block before installing the housing. I hope that helps.

[@justmejm]

👍

[@eric6177]

Did this car have a massive valve cover oil leak?

[@moosemobileautorepair]

No. It had multiple oil leaks at various places, but not at the valve cover. Some oil leaks still remain unfixed at the current moment as the customer does not want to get them done yet.