[JAGNUTS] Brake Issue

[Ron McLean]

Have you checked the clearence between the push rod comming out of the booster
and going into the back piston of the master cyl. Some times rebuilt master
cyl. may have a new piston that is not exatly like the original. This might
make the foot pedal travel to far and possibly beyond the boosters usable
range.            Ron

> Date: Fri, 4 Jun 2010 09:41:39 -0600
> From: rje.bob at sasktel.net
> To: jagnuts at autox.team.net
> Subject: [JAGNUTS] Brake Issue
>
> I have a bit of a problem and I'm hoping some brake expert (like Mike!) out
> there might be able to help.
>
> Over the winter the master cylinder on the XJ6 decided to spring a leak.
> Bought a new master, replaced old with new, and bled brakes.
>
> Now, the pedal travel is now quite long before braking starts, and requires
> more pressure to brake (like I am getting no boost). Brakes don't seem
> spongy.
>
> Last night I pulled the master away from the booster without disconnecting
> brake lines, and new master does not seem to have an external leak. Pulled
> the vacuum line off the booster (with car shut off) and vacuum was being
> held, as there was a definite rush of air when the vacuum pipe was pulled.
> No leaks at any brake lines or joints that I can see. Flex brake lines are
> likely original, but no signs of swelling.
>
> Rear brake pads likely will need to be replaced in the not too distant
> future, but are OK.
>
> Any thoughts?
>
> Bob
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