[s-cars] Re: Injector O-ring replacement - lubricant?

[Bob Rossato]

> So, it is often the case that o-rings are use to seal things that
> actually swell them, solvents do a good job of swelling o-rings, like
> gasoline.  Silicon, petroleum o-ring lubricants made for high temp would
> be my first choice, engine oil second.  A flammable liquid that you
> really shouldn't be touching and that swells the o-ring would be my
> last, just after putting them in without anything on them.

With regard to fuel injector seals, VW/Audi have always specified to soak
the o-seals in gasoline for a few minutes prior to installing, and to only
use gasoline for lubrication during installation.  At least with the old CIS
systems.

Bob