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Re: wiper washer woes

>  The importance of the check-valve and resulting short delay in swish
>  delivery is to reduce/eliminate the wipers from grinding dirt, sand and
>  other debris into the then-dry windscreen surface and causing nasty
>  scratches, etc.

On my '88 VW Jetta, I changed the wiper timer relay, that the washer
would not start up the wiper automatically. Now the washer and wiper
are independent, and I only start the wiper if there is already water on
the glass.

Peter Orban
National Research Council of Canada
Internet: peter.orban@nrc.ca