It IS possible to replace the "modern" split seal without removing
the engine, uncle jack did it at least once. You do have to remove
the tranny and I'm pretty sure you have to remove the flywheel. If
you remove all of the main caps you can supposedly pry the crankshaft
down far enough to get the old seal off and the new one on.
- Tony Drews
At 12:18 PM 2/23/2011, Frank Fisher wrote:
>it was me who started this thread.
>we have rebuilt a friends motor and used the normal supplier modern rear oil
>seal. machined the crank etc.
>after only a hundred miles we have found an oil leak from the rear
>of the motor.
>dripping from the bottom of the bell-housing.
>we question whether we hammered the rear camshaft seal place in good
>and proper.
>and if we sealed it properly.
>my plan is to pull the transmission and inspect. as best as one can
>because im
>sure its pretty messy back there.
>maybe we can clean up, put the flywheel back on and run the motor
>for a few mins
>and see if oil turns up. yes ill be sure to block and secure the back of the
>motor.
>we have new crank and cam seals ready if needed.
>I'm sure replacing the rear crank oil seal would be a real PIA, but
>my question
>is can it be done. or is it for some reason just impossible?
>we have the pressure relief holes machined properly.
>Frank
>
>
>Don,
>
>It leaked badly, and then we learned that the machine shop neglected to put
>the pressure relief holes in the rear cap. Everything else was re-checked
>and is in perfect spec.
>
>Now is only leaks moderately, I did not give away my bag of oil-dri.
>
>Bill Beecher
>
>
>
>Bill
>Are saying the "modern MOSS oil seal" leaked and had to be replaced?
>Thanks
>Don
>
>
>
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