low brake pedal

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low brake pedal

Postby robwalk45 » Thu Nov 13, 2014 8:13 pm

My 66 beetle has a low brake pedal, by that I mean when I apply the brakes the pedal goes with in about 1.5 in of the floor. The pedal is firm and does not pump up or get higher with repeated pumping. All wheel cylinders have been replaced along with all of the rubber hoses and some of the metal brake lines. new front drums and shoes, rear drums and shoes appear to be ok. I believe that I have the brakes adjusted correctly and the car stops ok. I just don't like so much movement on the pedal. I have not replaced the master cylinder. no leaks and the fluid reservoir is full. Any ideals? maybe this normal for a bug.
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Re: low brake pedal

Postby vdubjim » Fri Nov 14, 2014 6:00 pm

make sure your pedal rod is adjusted correctly, along with the pedal return stop.
Try pulling ebrake and then pushing the pedal, is it higher?
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Re: low brake pedal

Postby robwalk45 » Fri Nov 14, 2014 10:15 pm

The emergency brake has no effect. They were working good then the car sat for about 2 weeks when I started driving it again the pedal was low. I drove it today and they got worse. I think the master cylinder is going. When I replaced the wheel cylinders I had a hell of a time getting them bled. I am not looking forward to doing it again.
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Re: low brake pedal

Postby derbug » Sun Nov 16, 2014 12:29 pm

robwalk45 wrote:The emergency brake has no effect. They were working good then the car sat for about 2 weeks when I started driving it again the pedal was low. I drove it today and they got worse. I think the master cylinder is going. When I replaced the wheel cylinders I had a hell of a time getting them bled. I am not looking forward to doing it again.


With Jim's good suggestions for checking and if your brakes are adjusted properly, your speculation of the master cylinder will
probably cure your problem.....
the only question is how did bleed your brake system? by your self with a one man bleeder or with two people? I find, and have tried
various one man bleeding systems.... and still get better results with the two man buddy system
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Re: low brake pedal

Postby robwalk45 » Mon Nov 17, 2014 9:08 am

I used both 2 man pump and hold and pressure tank, I got the best results with pressure tank. Many, many years ago I was a brake mechanic and we used pressure bleeder with great results flush and bleed at the same time.
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