Re: {Chrysler 300} 1964 Power Braking

On Sun, Sep 14, 2025, 2:34 PM David Dumais <ddume300@xxxxxxxxx> wrote:

Hey Guys,
I have bled the all new brakes on the 300, many times over.

1: push pedal slowly, hold it open bleeder thru clear hose into jar.
Stiff pedal, but can be pushed to the floor after bleeding.

2: used the pistol grip vacuum hoses and cup, minute pinpoint bubbles observed.

3: wide open bleeder on a slow pedal, holding, squirt and tighten bleeder. Let pedal rise.

After all that, the pedal is firm and can be slowly pushed to the floor.
Start motor and pedal easily pushed to floor.
All the Booster Exchange guys say it's not the booster, but air still in system.

Does the Master Cylinder push rod affect this pedal down to the floor?

Still need to bleed out air?
No visible leaks on cylinders or connections.

Any clues accepted.

Dave

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