Thanks John and all who replied,

The do nothing option seems the best.  Glad to benefit from your experience
John. I'll be adding Water Wetter too.

Cheers, Tom L.

On Sun, Sep 11, 2011 at 6:29 PM, John Meeks <vanagon@gmail.com> wrote:

> Tom,
>
> I let a bad water pump (bearings) go up-repaired for too long several years
> ago. The impeller dug an eighth inch gouge into the case. I replaced the
> pump but did no repair to the gouge. I don't see any loss of efficiency in
> the cooling system although you'd think there would be some. I'll call
> it negligible. Even idling for an extended period doesn't send the heat up
> sooner than it did before the pump re-machined the case.
>
> John Meeks
> '91 Vanagon MV
> Northern Michigan
>
> Vanagon Rescue Squad
> www.vanagonauts.com
>
>
>
> On Sun, Sep 11, 2011 at 5:45 PM, Tom Lambas <twlambas@gmail.com> wrote:
>
>> How serious is, and can it be corrected? The wear is .6mm at the worst
>> point. The engine came out for
>> overheating issues and a little exhaust in the coolant.  I'm doing a
>> complete rebuild because of the high mileage.
>>
>> *http://tinyurl.com/44q9da9*
>>
>> Thanks, Tom
>>
>
>