I've experienced the problem of brake fluid not returning to the master when
using silicon brake fluid on street cars. Apparently the silicon brake
fluid caused the master seals to swell enough to block the fluid return
hole.
Good Luck
Roger Karnopp
Titan MK-6 FF
> ----------
> From: Bakeryoung@aol.com[SMTP:Bakeryoung@aol.com]
> Reply To: Bakeryoung@aol.com
> Sent: Monday, June 18, 2001 8:28 AM
> To: vintage-race@autox.team.net
> Subject: Datsun 510
>
> As an owner of a Datsun 510, an early 1967, I've developed a problem with
> the
> brakes. The fluid is not returning to the reservoir therby the front
> discs
> lockup.
> I've checked the stroke on the master cylinder and it is fine. The brake
> propootioning valve was checked and the operation of it seems fine. Under
> a
> lockup condition I crack a connection to the master cylinder and the front
>
> brakes release. I replaced the master cylinder with a rebuilt unit and
> The
> same problem exists. Any ideas out there?
>
> Zappa
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