Water pump longevity ????

[I_like_tacos]

Mine failed at around 58K. The impellers looked great and the pulley spun freely. It just started leaking heavily after a drive one day. No visible damage.

[Cbonilla]

I've replaced my water pump twice in 100k miles

[itskenallen]

Originally Posted by Cbonilla

I've replaced my water pump twice in 100k miles

You've either been unlucky or very cautious.

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[Giller]

Metal impellers are a no-no. Why take the chance?

[CN58]

Thank you for the information on the water pump, and the thermostat..

[10/10ths]

...for water pumps is TIME, not mileage based.

One of the failure modes is the plastic blades breaking down and bits of them floating around and blocking the coolant passages. That is bad.

But, like the others have posted, you do NOT want metal blades for the reasons they cited.

So, you must just own the idea that you must R&R the pump with a fresh OEM unit every FOUR years.

Do that, and you will be fine.

[Giller]

Originally Posted by 10/10ths

...for water pumps is TIME, not mileage based.

One of the failure modes is the plastic blades breaking down and bits of them floating around and blocking the coolant passages. That is bad.

But, like the others have posted, you do NOT want metal blades for the reasons they cited.

So, you must just own the idea that you must R&R the pump with a fresh OEM unit every FOUR years.

Do that, and you will be fine.

???? Every 4 years regardless of mileage? Where do you get this from? That makes no sense. Yes, age plays a factor, but mileage = the useage and that's what wears it out. Hence why most change it when they would do the timing belt ( or in our case, around that 100 k mark). 4 years....man....

[Cbonilla]

Originally Posted by itskenallen

You've either been unlucky or very cautious.

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I guess it's unlucky, because in both cases they were leaking.