Got a buddy of mine's 66 Mustang over here to troubleshoot no brakes,
among other problems. Manual drums. Been sitting for several years.
Master cylinder empty, front drivers brakes all dirty and gunked up,
looking oily, so I suspect wheel cylinder slight leak. No other
obvious leak points, though the metal brake line going to the back
looks so heavily rusted I wouldn't trust it, especially with the
single reservoir master cylinder. I put fluid in the old master
cylinder and there's absolutely no pedal firmness, though I haven't
bled any wheel cylinders yet. I did let some fluid out the little
allen plug on the front bottom of the master cylinder. The brand new
fluid immediately turned dirty opaque brown after pumping the brakes.
And to top it all off, the rubber gasket will not fit back inside the
cap now. Do these things grow in size or is there some trick to
installing them (and which way is up)? My inclination at this point
is to buy a new or rebuilt master cylinder and front drivers wheel
cylinder. Any comments?
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