I've been using the Valvoline Synpower in our Van for 3 or 4 years
and also in our 96 Passat and our late (as in deceased) 87 Golf for
about the same time.   No problems at all with the brake or clutch
hydraulics, but I'm careful to totally flush the hydraulics out every
two years.

Dave
90 Westy
96 Passat

At 5:13 PM -0700 7/20/03, Antaki wrote:
>A very good question you have raised, for safety is at stake.
>
>I have been using the Valvoline Synpower you describe in both my
>Vanagons, my Scirocco 16V and other VWs for years, no ill effects.
>The label states that it is for systems designed for DOT3 & 4.
>It works well in my Syncro's clutch system, which has never had any
>other fluid in it's renewed hydraulic system.
>I've been aware that no DOT5 shall pass the filler neck of our VW's
>reservoirs, so this isn't dumb luck.
>Frankly, I would say to continue using it.
>
>Disclaimer: Please use your own judgement, as I am not a professional
>mechanic and cannot be held liable for anything that happens as a result
>of my anecdotal advice.
>
>
>Ron
>'86 SyncroWesty - Quadrat
>'88 Wolfie - Bluberry 'etc.
>