[Mgs] Clutch Master Cylinder Barfing

The Roxter rocknatural at gmail.com
Thu Feb 25 19:38:28 MST 2010


Mike Eldred wrote:
> This is in my new-to-me '73 Midget.  At some point over the colder months, the
> clutch master cylinder leaked, spilling onto the driver's side footwell.  When
> I bought the car, DPO told me this had happened to him last winter, too, so I
> was kind of expecting it.  Any ideas as to what's going on?  I'm already
> planning to install a new MC and slave anyway, but I can't figure out what it
> is about cold weather (I mean cold like ~zero degrees f.) that would make it
> leak and pour out.
>   
Old rubber (seals) get hard when it's cold and they start leaking.
> A second, perhaps related, clutch problem I'd appreciate any insight on: when
> you put any presssure on the clutch, engine running, you get a whining
> squealing sound - release the clutch and it's gone.  Doesn't matter if it's in
> gear or neutral.  My diagnosis is that the throwout bearing is shot, and I
> plan to replace the bearing, pressure plate and clutch disc this spring.  Any
> other thoughts?
Yup. Replace them.

-Rocky Frisco
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