Water pump repair/replacement (quick Q)

[rapieper@yahoo.com (Ron Pieper)]

If there's any doubt about it's history, replace it.  Replace the whole
thing, not just the impeller half (it's available separately).  For all
practical purposes on our cars, there is no repairing a water pump,
just replacement.  The used one isn't worth anything to anybody but
you, except maybe as a core, and you can expect to get $5 for it.

The only way I'd reuse it is if I knew first-hand that it was fairly
fresh and didn't leak previously.


You'll need a new 0-ring where it seals to the block, it should come
with the new pump.  A t-stat O-ring is the same.  If the block is
pitted where the O-ring mates, clean the pits and fill them with JB
Weld, then sand it back smooth.  Works a charm. 

Ron

--- Brian Haygood <scirious@hotmail.com> wrote:
> So I have never replaced a water pump (well not one made after 1931).
>  Do I 
> want the one that is on this engine I might buy?  If so what is it
> worth?  
> Mileage is unknown, but it's a '92 that is the second engine in a
> 118k car.
> 
> So when a water pump goes bad, do you replace it? repair it? need the
> core?
> 
> What's a used pump worth?  Like $10?
> 
> BH
> 
> 
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