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General Category => General Discussion => Topic started by: mcdammitt on September 26, 2018, 10:48:16 AM

Title: rear end '83 Cali
Post by: mcdammitt on September 26, 2018, 10:48:16 AM
I just received another used rear end for the Cali ll. Bolted it up after changing the inner spacer, added oil and took it out for a 8 mile run. Got back and it is also pushing oil out the rubber boot, same as the last 2 rear ends. It hasn't been the tranny because I installed a breather on previous rear ends, and fluid came out the breather and not the boot. I checked the carrier bearing for heat, it was cold. I know the rear end on my EV is a non-leaker.................. :sad:
Title: Re: rear end '83 Cali
Post by: Groover on September 27, 2018, 08:18:14 AM
Those rear ends are quirky for sure. I think synthetic oil could be a culprit if that is what you are using, or maybe it's just a tiny bit overfilled. I wish they had designed those to have proper seals all around like a transmission or engine. That would be nice.

Maybe you need to burp it - Charlie is the one whom mentioned that in one of my posts in this regards. I think that does help (fill it, then ride it, then open the filler cap, close it again)
Title: Re: rear end '83 Cali
Post by: bigbikerrick on September 27, 2018, 01:49:52 PM
Do you have shorter rear shocks on the bike to lower the rear end?  On my Cal II that contributed to gear lube migrating up the driveshaft.
Rick.
Title: Re: rear end '83 Cali
Post by: Kiwi_Roy on September 27, 2018, 02:58:48 PM
I had something similar happen on an Eldorado, replacement drive from E-bay
I found the rear wheel was rubbing on the housing causing it to overheat, too hot to touch, this caused a pressure build up which blew the oil out of the box and up the drive shaft, as it cooled down it would go back the other way.

The solution was an extra packing washer 1/8" between the wheel bearing and the drive housing to provide some clearance.
I re-visited this wheel a few weeks back, sure enough without the washer the two make contact all around the rim of the box I concluded there was a change in dimensions over the years.

Does your rear end get hot?
Title: Re: rear end '83 Cali
Post by: mcdammitt on September 28, 2018, 08:01:02 PM
Yes,
 The rear end heats up. I have checked the spacer. Some are 72 and some are 68mm I believe. I changed the spacer to the shorter one when I got the rear end, it did not engage the splines far enough. Once installed and tightened, it would spin freely and still have a small gap, say 2mm between the wheel and the drive.