I believe that little spring/compensator was my issue. When I disassembled it, that little valve,spring, whatever, was sticking up in the reservoir at an angle.

I've rebuild quite a few Master cyls, wheel cyls on other cars, but this is is very peculiar in its operation. Of course, this is the oldest car I have ever had, too!

Maybe someone can explain - how the hydraulic pressure develops with a Seal that is not stationary on the shaft.

To 39super8

I'm about 55-60 miles south of you. Just south of Casa Grande in Arizona City.


Thanks to everyone that responded concerning the T/V, and the info. As I have the wheel cylinders to do next, and a few other things, I will most likely be here daily. :)

Thank you for that reply.
I was hoping someone out there had good success. Having just purchased the vehicle I have no experience with them. My plans are to purchase the Rebuild Kit from Kanter or Merritt.

Are there any other sources?

Thanks! Got it.

Totally dis-assembled now.

Has anyone done a conversion on these things? In my searches I've read that these are failure prone, and will leave you without any brakes at all.

Anyone have a excellent history with these?

Hi all,

I'm a new owner of a 52 Packard 300 Sedan. In pretty nice shape I might add. I have obtained a manual and have removed my Power Brake unit. Wheel Cyls are next.

I have removed the large Nut/valve in the reservoir and the circlip retaining the pushrod. According to the manual the rod should slide out. It doesn't and I don't want to apply too much force to do it. Feels like something still needs to be removed somewhere for it to come out.

Any help appreciated.

Also, are there any other forums/discussion groups on Packards?

I'm in Arizona.

Chuck

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