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Water pump: O-ring and gasket or just o-ring?

Posted: Sun Sep 12, 2021 3:22 pm
by Averjoe
I have a 2007 Vibe that I need to replace the water pump on. I've watched several videos on the process, but I am confused because in about half the videos, they used the o-ring and a gasket, but in the others they only used the o-ring alone with no other gasket or sealant. So, which is correct? Does it matter? Is there some advantage to doing it one way or the other?

Re: Water pump: O-ring and gasket or just o-ring?

Posted: Mon Sep 13, 2021 2:20 am
by zbyers
I have not replaced it on a 1ZZ, but I am pretty sure it's just an o-ring

Re: Water pump: O-ring and gasket or just o-ring?

Posted: Mon Sep 13, 2021 4:45 am
by andrewclaus
I just checked on the Toyota parts website and there's only on O-ring listed.

Re: Water pump: O-ring and gasket or just o-ring?

Posted: Mon Sep 13, 2021 5:58 pm
by cptnsolo77
I replaced my 3 years ago and I dont recall a gasket. Just O ring.

Re: Water pump: O-ring and gasket or just o-ring?

Posted: Tue Sep 14, 2021 7:46 am
by joatmon
The 03 Matrix service manual only mentions an O ring, no gasket