No check valve in a brake system . Pistons move away by elasticity of
the piston seals and this is a set design limit . If the pistons are not
retracting properly I will guarantee the the seals are hard as a wood
peckers lips . Pads move from vibration or bad rotor runout . This is
why the pins must be kept resonablly clean to get the pads off the
rotor, help in cooling, and lower the pad drag on the machine .
Eric H.
----- Original Message -----
From: "TC" <[EMAIL PROTECTED]>
To: "V-MAX TECH LIST" <[EMAIL PROTECTED]>
Sent: Tuesday, October 24, 2000 10:33 AM
Subject: check valve
> Eric,
> Without regard to mechanical alignment .. I am really wondering where
> the "check-valve" functionality went on that system. I have a really
> bad feeling that it is the job of the "little flap". A small amount of
> pressure must be retained in the lines when the lever is released to
> keep the pads from moving away from the rotor. All disc brake systems
> "must" have a fluid check valve and if it is not the "little spring
> steel flap" in the bottom of the master cylinder well then I wonder
> where it could be.
> campbell
>
>
>
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