Chris, there is a lot of lost motion in the linkage. The clevis pins can wear
as well as the holes they go thru on the pedal box as well as the Master
Cylinder itself. By the time that lost motion gets to your foot on the pedal it
can be significant. Some folks have welded up the holes and re-drilled them. So
check the pins for wear.
JVV
---- Chris Simo <ccsimonsen at gmail.com> wrote:
> 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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