Posted by pburchett on June 26, 2019 at 18:16:09 from (12.182.196.81):
After rebuilding my 640 Ford with the help of people on this board and parts from YT I had a rear main leak. I installed another Fel-Pro crank shaft seal kit from beneath the engine with the 2 piece rubber seal (which I staggered like the instructions said) and the rubber packing material with drive in pins. I siliconed the rubber side packing sections in and added silicone the best I could from beneath the tractor to the seating section of the 2 piece rubber seal where the original rope seal would have been seated in the block and cap.
I applied air pressure and soap solution to the engine as instructed by HOBO and still had a rear main seal leak. Not as bad as before but nothing I was comfortable with. That was the beginning of May. I had to stop all work for hernia surgery repair. Man that sucked as I had 4 hernias and I am now just supposed to lift 20 pounds. I hate being down to doing nothing.
Yesterday my son tore the engine apart while I supervised and found that the 2 piece rubber crank seal portion that was in the block did not get enough silicone on it to seal it completely. The bearing cap portion and side packing was completely sealed as I could easily access it. I guess that is what I get for not having enough time to do it right. I ordered and received a Victor 2 piece rubber crank shaft seal kit and will try it again. This time I am going to be able to completely silicone the rubber crank shaft seal into the block. Hopefully this will stop the leak. If not Im going with a rope seal.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I�m handing him tools and he says, "give me that..." and I�ve already got it in his hand or "hand me that....."and I�ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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