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

[Trevor Frank]

No offence to Huw but that is a pretty silly statement.

"I've always heard that things should be lubricated with what they seal"

Examples,
I am a plumber so I always use *&#@ on toilet gasket seals, if I am out,
a bit of %^&* works well to.

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.

Dow Corning and Parker both have good lubes for o-rings, one of my
favorites is DOW CORNING(r) 111 VALVE LUBRICANT & SEALANT.  Good for
those cam cover seals also.

-----Original Message-----
From: Huw Powell [mailto:audi at humanspeakers.com]
Sent: Thursday, December 18, 2003 12:08 PM
To: Dave C.
Cc: s-car-list at audifans.com; quattro at audifans.com
Subject: [s-cars] Re: Injector O-ring replacement - lubricant?



> What type of lubricant should I use on the injector O-rings?

I've always heard that things should be lubricated with what they seal.
  In this case, a touch of gasoline, although I would settle for engine
oil if I was nervous about that.

> Also, re: a piece of a plastic shroud that fell into the head ... I
heard
> one vote to just leave it there.  Anyone else care to comment on
whether it
> will cause damage?

No, I wouldn't care to stick my neck out on this one!

--
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/

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