1939 Ford Brake Pedal Low

R

Rustynutz52

Member
I noticed the other day my pedal seems to engage the brakes lower then before. Car has no wheel cylinder or master cylinder leaks and has been driven a few thousand miles since I did the brakes. I am guessing I need to adjust the shoes or possibly the master cylinder push rod. How do you insure proper clearance on master cylinder pushrod? Also what is the ideal fluid height in the master cylinder.
Thanks Mike
 
Make sure the pedal has a good return spring that securely positions the pedal, then adjust the push rod for about a 1/16".
 
If the shoes aren't arced to fit the drums, they have to wear themselves in so regular adjustments may be necessary for a while. This is one of the inconveniences of the Lockheed design.
 
If the anchor adjustment is off, they will wear faster and uneven, at either the top (anchor in to far) or the bottom (anchor out to far).

The way to set them up, is to adjust the anchor first, with the top adjustment in, adjust the anchors out, until you feel drag, back off slightly (or ,010 / .030), lock in place and then adjust the upper cam.

Frank
 
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