<VV> fuel pump question

Geoffrey A Johnson geoffj at unm.edu
Fri Oct 7 20:57:20 EDT 2005

Surprisingly those bad pumps are still out there.  Today one failed on a 
friends car.  Had been on for several years and many miles.  I had 
driven this car many times, and never suspected it had one.  Put a good AC 
pump on in its place.  The bad pump I could break the diaphragms apart 
with my fingers.

Almost like jello.  Scary thing is we took the car for a long interstate 
cruise out of town just two weeks back.

-Geoff Johnson

Tony wrote:
> There is an issue with some mechanical fuel pumps in that they were
> assembled with the wrong gasket-diaphragm material, a rubbery
> compound that had no fiber reinforcement which was responsible for a
> lot of early pump failures.   Most of these bogus pumps have been
> weeded out of the system but on occasion one will still pop

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