Why the water pump went on my 2009 a theory

[dogsridewith]

Are these mostly replaced due to seals leaking? Any impeller seizures...which would probably make the serpentine belt squeal. (And wasn't there a recent post here somewhere about the impeller coming loose on the shaft?)

[IllusionX]

Originally Posted by dogsridewith

Are these mostly replaced due to seals leaking? Any impeller seizures...which would probably make the serpentine belt squeal. (And wasn't there a recent post here somewhere about the impeller coming loose on the shaft?)

my first one had a bearing failure

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[dogsridewith]

Originally Posted by IllusionX

my first one had a bearing failure

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Were you able to hear it and keep driving long enough to fix it before it started to leak or cook the serpentine belt or something?
(I was thanking Chevy 350V8 for original 71 waterpump and alternator that made bearing noise while still working perfectly.)

[IllusionX]

Originally Posted by dogsridewith

Were you able to hear it and keep driving long enough to fix it before it started to leak or cook the serpentine belt or something?
(I was thanking Chevy 350V8 for original 71 waterpump and alternator that made bearing noise while still working perfectly.)

It never leaked I don't think. I had it quickly replaced before it was out of warranty. I was about 4000km shy of running out :)

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[bronsin]

Originally Posted by dogsridewith

Are these mostly replaced due to seals leaking? Any impeller seizures...which would probably make the serpentine belt squeal. (And wasn't there a recent post here somewhere about the impeller coming loose on the shaft?)

Mine leaked for about three months before it was fixed. It might’ve leaked a cup a month. Classic water pump failure involves massive leak very quickly. I’ve never never heard of a loose impeller. Water pump failure used to mean a loose shaft in the bushing. Yaris as failures are not like that.