[Bill Hanlon]

Dave: When you have some free time you should read the first five pages of this https://www.pontiacsafari.com/Hydram...structions.pdf

It is from a 1956 manual, but your '55 tranny is the same.

I'm glad we figured out your immediate problem, but am too embarrassed to admit it took us this long.

[Safari Larry]

Originally Posted by Bill Hanlon

Dave: When you have some free time you should read the first five pages of this https://www.pontiacsafari.com/Hydram...structions.pdf

It is from a 1956 manual, but your '55 tranny is the same.

Bill, he has a 57, that is link to the 56 slant pan. Good job on helping him out! Here is link to the 57 hydramatic manual.

https://www.pontiacsafari.com/Hydramatic/1957/index.htm

Dave, open section 1 and read that -- when you have some free time and need entertainment.