Interesting.  So, I changed my water pump because it had a water leak.
Other than a water leak, how does one assess it's performance?

On Sat, Jun 13, 2020 at 6:00 PM Dennis Haynes <d23haynes57@hotmail.com>
wrote:

> I owned FUN BUS from new. 1st water pump was done under warranty at a
> dealer in Florida at 49K. Next one was at 96K or so on way to Alaska. Was
> changed in a campground in Northern Michigan. 40-60K seemed normal. The bad
> is when the bearing fails and the impeller damages the case. Eat the case
> enough and low speed/idle cooling becomes a problem. Fix is welding or
> epoxy.
>
> Dennis
>
>
> From: Gene P <olgreywoof@gmail.com>
> Sent: Saturday, June 13, 2020 5:20 PM
> To: Dennis Haynes <d23haynes57@HOTMAIL.COM>; vanagon@GERRY.VANAGON.COM
> Subject: RE: Newb Gets Hosed -- Coolant Pipes Retrofit
>
> Curiosity question – is there some magic in the original water pumps?
> Replacing mine now just cuz while replacing all the hoses, but it still
> seems good at 170K.  (87 Wolfsburg hardhat.)
>
> From: Dennis Haynes<mailto:d23haynes57@HOTMAIL.COM>
> Sent: Saturday, June 13, 2020 1:51 PM
> To: vanagon@GERRY.VANAGON.COM<mailto:vanagon@GERRY.VANAGON.COM>
> Subject: Re: Newb Gets Hosed -- Coolant Pipes Retrofit
>
> >>Other benefit is improved water pump life … 100K water pumps are
> possible.
>
>