From: Jumpmaster (the_real_jumpmaster@yahoo.com)
Date: Sun Apr 04 2004 - 15:35:22 PDT
Howdy...
--- DDoyle9570@aol.com wrote:
> Going further, I had a laboratory anylisis run on
> the the mixture by a bona fide analytical lab. The
> result? The two fluids do NOT mix.....the remain
> two separate liguids in the system, they do NOT
> become a third new liquid.
As a matter of fact, I experienced brake failure on my
M38A1 because of this. Fortunately, no one was hurt
or killed.
When I disassembled the the brake system, I found that
what used to be the wheel cylinder seals had become
sludgy, goopy (is that a word?) black crud. It was a
mess.
Maybe the residual DOT3 that was in my Jeep was more
reactive than current stuff? When I got it, the brake
system appeared to be empty. The old wheel cylinders
were fairly worn and the seals cracked, so I replaced
them with NOS ones (I think they were for the M151 and
the seals were like new...no rot...)
I had taken the previous owner's word for it that it
had DOT 5 in there, so I topped it off with DOT 5
after replacing the wheel cylinders. Later, he
admitted it "could have had DOT 3 in there" after I
told him about the brake failure. Never, never, EVER
assume anything. :-)
Be careful...
T. Bloxom
1952 M38A1 (sold about 3 years ago -- with new brake
system after flushing with denatured alcohol...:-) )
1985 M1009 CUCV
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