9 replies to this topic

[mini670]

I have changed the servo to a standard yellow tag master and changed the brake pedal to suit the new master.
It looks to be stitting too high in my opinion, about 1.5 inches above the clutch. The linkage seems to be just resting on the bulk head cross member.
I have read a few threads here, but there doesnt seem to be a definative answer.
Would it be possible to cut the push rod and weld? doing this would make the piston inside the cylinder sit a little higher when the pedal is not pressed, is this ok?

I have included a bit of video to try to show how it sits.

http://s98.beta.phot...A5D52B.mp4.html

Cheers

the video goes on a bit, but a good image of the pedal heights is near the end.

Edited by mini670, 26 January 2013 - 09:48 AM.

[Guess-Works.com]

Visually the brake pedal is higher than the clutch... this is normal.

[mini670]

cheers,
but i cant keep my heel on floor to use brake, literally have to pull my foot up and move over. seems like it is doing to be a chuff to get used to.

[mini670]

would any one be kind enough to measure theirs please. not doubting you guessworks, but i have read that there is two variations of the non servo pedal.

Edited by mini670, 26 January 2013 - 07:23 PM.

[tiger99]

Under no circumstances should you cut and weld the pushrod. It is a very safety-critical component, probably third in importance after steering column splines and balljoints in its potential to cause a very serious accident if it fails suddenly.

If there was something wrong with your pedal position due to having changed the master cylinder, you would not be able to bleed the brakes because the pedal would not be returning fully, so the pistons would not uncover the reservoir ports.

That is not to say that the pedal itself is correct, it could be misshapen, but the relationship between pedal, master cylinder and return stop must be about right if you managed to bleed the brakes.

I see that the Somerford Mini web site shows six different pedals and I strongly suspect that you have the wrong one fitted.

http://www.somerford...page=page&id=57

[Dan]

It should sit high as said, but it shouldn't hit the inside of the crossmember. Until 1980 a pedal stop was fitted to stop that, what age parts are you using and what bits from what systems? Also looks like it's too close to the column to me, you may have LHD pedals.

[mini670]

Thanks for the info.
The master and brake pedal are from unknown car.
I'm using the pedal in the servo pedal box.
It is a bit frustrating as I'm waiting to get the brakes bled out to check for leaks before putting the engine in.
Going to have to look a lot further into this I think.

[tiger99]

A servo pedal box is completely different from the non-servo box, and the parts are not interchangeable. It is unsafe to mix them. Get a correct set of parts and all will be well with the pedal height.

[100ev8]

is the pushrod fixed to the pedal or clevis pin ?

[mini670]

A servo pedal box is completely different from the non-servo box, and the parts are not interchangeable. It is unsafe to mix them. Get a correct set of parts and all will be well with the pedal height.

Thanks Tiger,
Bugger! Im sure i read here that servo and non servo are the same except for the pedal and linkage. Well now im thinking that could well be the problem.
Am i right in presuming the lever set up for the clutch will differ too, to compensate?
To summarise i have a servo pedal box with a servo pedal box clutch and an unknown brake pedal.

is the pushrod fixed to the pedal or clevis pin ?

the pushrod is fixed to the master, which connects to this brake pedal with a clevis and split pin.
The servo pedal i removed has the pushrod connected to the pedal with rivet. It wont come off without the use of an angle grinder.