Thread: 47-55.1 Brake pedal height
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Old 12-04-2023, 05:37 PM   #9
leegreen
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Join Date: Mar 2022
Location: Surrey BC
Posts: 734
Re: Brake pedal height

It is worth checking that you get near full stroke of master before anything else stops the pedal. Functional brakes are more important than comfortable brakes!

Since you have a dual master, what is more important than full stroke is enough stroke.

With carpet and everything else installed, brakes fully bled and adjusted, engine off and pressure/vacuum accumulator empty. Have a helper simulate a brake failure by cracking open a rear bleeder, push the pedal, do you get a firm pedal on the front circuit before hitting floor?

repeat the test with a front bleeder

If the pedal goes all the way to the floor with either brake circuit failure you could make your truck safer by fixing it.

With a single pot master you can't do this test and you have no service brakes with any hydraulic failure
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