Re: [TR] tr4 brake riddle

[John Young <jeyoung_2@yahoo.com>]

In addition to lost motion in the linkage, check the end play in the
crankshaft. (thrust washers).
The clutch has to push the crank forward to the
limit before it can begin to realease the clutch.
Easy measurement to make
with a dial gauge on a magnetic holder.

John Young NASS# 528
Indiana
'78
Spitfire
'66 Spitfire
'59 TR3A (being repaired after 37 yrs ownership)

From:
Chris Simo <ccsimonsen@gmail.com>
To: list Triumph <triumphs@autox.team.net>
Sent: Wednesday, April 18, 2012 2:28 PM
Subject: [TR] tr4 brake riddle

Just
started digging into a brake issue. I thought I'd share the symptom
and see
who comes up with the winning diagnosis.

Thought it was a broken spring in
the master cylinder and it's not.

Brake pedal would go halfway to the floor
before engaging. Rear brakes are
adjusted correctly and it takes 2 clicks on
the brake handle to get the car
to hold firm.

opened up the master cylinder
and the spring is intact and I dont see any
scoring on the bore. Since it's
out I'll rebuild it -  but I don't see that
it really needs it.

What else
could it be?

Thanks

Chris

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