Bud :
The internal spring should be strong enough to return the piston. It's
known to break on the earlier cars, I guess TR6's are getting old enough
to start suffering the same problem. Mine came out in 4 separate pieces
last year. In addition to returning the piston, the spring is also what
closes the valve back to the reservoir, so it's essential that it be in
good condition. Moss has the spring by itself, it's only a few dollars.
(Undoubtedly, so do the other usual suspects.) If you are confident of
the seals' condition, you can replace just the spring. OTOH, a set of
new seals is cheap insurance against finding brake fluid all over your
firewall. Personally, if I already had the MC out of the car, I'd
replace the seals "just because", even if I wasn't having trouble.
Randall
levilevi@home.com wrote:
>
> List,
>
> What pushes the inside (the plunger) of the clutch master cylinder back
> towards the pedal once you've pushed it forward. Is it the inner spring
> in the master cylinder or back pressure from the fluid in the slave
> cylinder?
> I've got the clutch master cylinder off the car and I pushed the rod in
> to get old fluid out but it didn't rebound. Now the rod is loose.
> Meaning it's free to move back and forth a few inches with no pressure
> from the plunger pushing back on it. Just wondering if that's normal or
> if that means there's a problem. Seems to me that it should rebound.
> Will it work properly when I put fluid back in and pump the pedal. I'd
> like to avoid a redo.
>
> Thanks in advance.
> Bud
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