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Uno Dei Molti Porschisti
Join Date: Feb 2004
Location: Elfin Forest, CA
Posts: 332
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Three quick axle questions
Greetings all, have scoured all the axle/CVJ threads here, and still have three questions. I am upgrading my 100mm CVJ axles to the later 108mm type (with frictionwelded stub axles) on my early '85 with a 915/68:
1. Is the Porsche/GKN OEM 108mm drive shaft (that has the non-serviceable outer CVJ and the cap on inner CVJ) shipped ready to install, i.e., with both CVJs pre-greased? I have a ticket in with our host on this. Concern is it seems likely they are, but I have read (not in Pelican forums) that it is wise to check (and add to if needed) the grease amount on new GKN factory-pre-greased axles anyway, even though this would involve removing the presumably sealed-on inner cap and outer boot clamp.
2. When a joint (drive/diff) flange is removed, does oil leak out unless one drains (all or some) oil from transmission first?
3. Is it necessary/recommended to replace the joint (drive/diff) flange seals when reinstalling flanges?
Thank you!
Barry
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85 Carrera Coupe, OBD-I 993 3.6 conversion (bottomless list of mods)—425k+ miles. 100k on the 3.6, zero blue smoke, but oh the leaks... two broken 915s  But G50 and all the other bits going in early 2024 
Consolation & stealth vehicle: 05 Mercedes E55 AMG S211 "No one will suspect the Spa... silver station wagon".
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