[Healeys] 6-cylinder Rear Crankshaft Oil Seal Conversion Kit

[David Nock]

These seals on the 6 cylinder cars are acutally a secondary rear main seal. The original scroll seal is still there. Usually if there is a leak after installing the aftermarket rubber seal it is not the main seal. It is usually something else.  

To leak 2.5 quarts of oil  in 100 miles is major. I would be looking at other places first. Get some UV oil dye from the local parts store and put in the oil. Then look to see where it is actually coming from.

Oil flex hose to gauge, rear of valve cover, etc.  Also have seen them leak along the side of the rear main cap to the block, if they are not sealed up correctly.

If it is the rear main leaking that much oil the seal will never stop it. You probably had to little clearance on the rear scroll and the seal surface is damaged.


David Nock
healeydoc at sbcglobal.net
209 948 8767
www.britishcarspecialists.com

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From: Bob Begani via Healeys 
Sent: Friday, March 26, 2021 2:40 PM
To: Austin Healey list 
Subject: [Healeys] 6-cylinder Rear Crankshaft Oil Seal Conversion Kit

When we rebuilt my BJ8 Engine I bought the Oil Seal from Moss and my machinist friend installed it. I am confident he did a good job drilling and tapping holes etc.  I had hoped that I would not have rear crankshaft oil leaks.  In the past year I have driven the car a little over 1,000 miles 25 miles at I time and recently noticed those infamous oil spots on the driveway.  Today I visited my British Car friends at Tech Central in Bonita Springs a 100-mile round trip on I-75 nonstop at 65-75 mph.  Fortunately, I carried 2.5 quarts of oil because I had to use it to fill the crankcase when I got there and had to add 2.5 quarts when I got home.  In addition, I notice the clutch slipping in 4th gear in overdrive if I accelerated.  No doubt caused by oil on surface of the friction plate.

 

When I got home the weep hole in the transmission bell housing was producing one oil drop every three seconds and when running the engine at fast idle one drop of oil every second.

 

Has anyone had a failure using this seal conversion kit?

 

Bob Begani

 

 



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