Quote:
Originally Posted by jbach36
I think the stuff I'm using is Valvoline. It has stuff in it to stop leaks, and the stuff really works. I heard if you get the stuff that simply puffs the seals up, that's really bad because it's a temporary fix, and one day, it fails and leaves you in a bad situation.
The stuff I have sort of rejuvenates the rubber, as opposed to just puffing it up.
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You're pretty much saying the same thing two ways Jeff.
The "rejuvenating" is essentially solvents/aromatics softening the seals, too much I guess would be considered "puffing it up".
Most all oils & hydraulic fluids are engineered to have specific seal-swell properties, those that are listed as "seal reconditioning" or stop-leak usually just have more swell effect from the additive package.