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Water pump-when change?


tempo
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I do it every timing belt. Belts gotta come off anyway to remove the 4x4 water pumps.

 

The opposite is also true. If the pump needs replaced, do the timing belt also.

 

I have no opinion on gear-driven pumps. I guess I would replace it once I could hear it.

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On 3.5 path no timing belt so pump is gear driven

i afraid if pump will brake water will get inside the engine (cose it gear driven)

On official maintanance book is nothing about how and when change it

So what sings to change it? Noise? what kind of noise/

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  • 3 years later...

ITs been a few years since this was posted... Has anyone had to deal with this?

 

I am prepping to do a big round of preventive maintenance to the pathy and this is something that I am curious about....

 

I did some searching and no one seems to know whats up w/ the 3.5 water pump. My rig is at 185K and running strong. I would like to get to 250k....

 

Thanks!

 

 

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If it ain't broke. Don't touch it. Pretty much with that one. Unless its failing. No need to mess with it. Unless you are opening it to adjust timing chain slack. But that is a very noticeable noise.

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