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914World.com _ 914World Garage _ transmission output shafts

Posted by: JFG Jun 21 2017, 01:06 PM

I'm onto the gearbox now that the engine is back together.

I have new output shaft seals but i thought there were holes to put a bar through in order to lock it while i undo the bolt. I was wrong they are just indentations.

Is there any way i can lock these off or will i need to take the box to a garahe for them to blast the bolts with an air gun?

Posted by: SirAndy Jun 21 2017, 01:28 PM

Put two bolts in the flange and use a bar to hold the flange while you're turning the center bolt.

Posted by: mark04usa Jun 21 2017, 01:32 PM

IIRC the torque on the bolts is about 31 ft lbs, so should come off easily (I was lucky and mine were easily R&R'd). Be sure not to set the seals too deeply or they will fail and leak quickly as mine did...I had to do this job twice!

Posted by: JFG Jun 21 2017, 01:46 PM

Thanks for the info. i wasn't sure about the torque figures so got a bit worried. Nice tip about seal seating, i definitely don't want to do it twice!

Posted by: Justinp71 Jun 22 2017, 12:07 PM

I need to redo mine. I plan to knock the seal flush with a piece of wood. Then take a piece of 2" PVC pipe to knock the seal flush with the case.

I had the issue with the seal tearing on install last time, any reason why I can lube up the back of the seal with some trans fluid to help prevent tearing?