I noticed I had an axle shaft seal leaking when I replaced all my wheel cylinders a few weeks ago. I ordered a new seal from Kanter for $22 and replaced the leaky seal. Kanter was the only place I found that had this seal.

Here are the pictures of the 1949-1952 Pontiac’s as seen in the Pontiac Shop Manual.

Here are a bunch of stills taken from an old dealer promotional film. The pictures aren’t the best, but still interesting to look at.

Here is the 1956 Edition of the Pontiac Master Parts Catalog.

Here is the Pontiac Interchangeable Parts manual. This is for Pontiac’s from 1935-1952.

The crankcase ventilating system is used to remove water vapor, fuel vapor and combustion gases (from blow-by past the piston rings) from the crankcase thereby preventing undesirable combinations of these compounds with the engine oil.
Air is driven into the opening of the oil filler pipe cap by the fan draft and, after being cleaned by [...]

Here are the tune up specifications for the 1941-1953 Pontiac 6 and 8 cylinder engines.

Accessory list for 1949-1952 Pontiacs.

What you need to know about the Flathead engine oiling system.

How to decode your Serial Number