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Old 09-27-2015, 02:06 PM   #8
Tom Endy
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Join Date: May 2010
Location: Southern California
Posts: 3,168
Default Re: Still dripping oil from flywheel housing cotter pin

Quote:
Originally Posted by Bob Bidonde View Post
The leakage out of the flywheel housing can be motor oil and transmission oil. Make certain that the engine's breather pipe and the transmissions vent hole in the gearshift tower are not obstructed.

There are some breather caps that obstruct when pushed firmly down on the engine's breather. Check your cap. It should have tabs that stop it from closing-off the breather.
Also check that some well intentioned person did not stuff a Brillo pad in the breather cap to filter the air. If the cap is restricted it will force oil out past the rear labyrinth engine seal.

A fellow Model A'er went to a local hot rod shop and purchased a highly polished chrome breather cap for his Model A. Unfortunately it was not a breather cap, but a solid cap.

He came driving over to my house with oil poring out the cotter pin hole in the clutch housing. It looked like a spigot had been turned on. When we removed the cap the leak stopped. Fortunately he had just that morning installed the cap and had not driven far when he noticed the leak, otherwise he would have trashed the engine.

Tom Endy
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