Thanks Greg.
You're not the first to suggest that Dot 5 may be the problem. I've used it
for years because the car sits-up without running much most of the year. I
will use it one or twice each month. Glycol based fluid (Dot 4) just caused
me so much trouble with eating up Master cylinder, brake cylinder, and slave
unit seals, not to mention the paint surrounding the master cylinders after
it ruins seals when the cars sit for two weeks at a time without running.
If this cause turns out to be the silicone fluid, I would really be
surprised, but as I've said I'm almost ready to try anything. I'll try
another weekend of test and let you know. I do know the PDWA is not in
backwards. Thanks again.
Don W. Carter, AIA
Carter Design Associates
6213 Skyline Dr., Suite 100
Houston, Texas 77057
(713) 529-2288 Telephone
(713) 789-2330 Fax
don@carterdesignassociates.com
-----Original Message-----
From: greenman62@hotmail.com [mailto:greenman62@hotmail.com]
Sent: Wednesday, August 22, 2007 9:38 PM
To: Shane Ingate; don@carterdesignassociates.com
Cc: fot@autox.team.net
Subject: RE: [Fot] Brake PDWA block
> My $0.02. Could the DOT 5 fluid be the cause, I mean, if there
> is air/water in the RF caliper could this cause the LF to lock earlier?
Ermm... Isn't Dot 5 silicone?
If so it's not hydrophyllic. Dot 4 and the other glycol-based brake fluids
are Hydrophyllic and will absorb water.
You may want to check if the PDWA valve is installed in the correct
direction. If it's in backwards it could be causing your symptoms (don't ask
me how I know)
Greg Petrolati Champaign, Illinois
That's not a leak... My car's just marking its territory...
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