Rear end oil leak
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Veteran Member
Joined: Jun 2015
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From: Cincinnati
Originally Posted by Arne
Sorry but I do not know. Had my seal replaced with a new one last week. Unfortunately after driving some considerable (and fun) distance over the weekend, there still seems to be a minor leak present.
Car going in tomorrow for further "investigations".
Edit: car is checked for leaks and the diff and pinion seal is 100% sealed and thight. What I thought was still a leak, was most probabely some "leftover oilspill" from the previous leak, that had ended up at places which he (the mechanic) was not able to reach. Some active driving in curvy mountain roads in very warm temperatures made the "leftover oil spill" move from were it was collected.
Car going in tomorrow for further "investigations".
Edit: car is checked for leaks and the diff and pinion seal is 100% sealed and thight. What I thought was still a leak, was most probabely some "leftover oilspill" from the previous leak, that had ended up at places which he (the mechanic) was not able to reach. Some active driving in curvy mountain roads in very warm temperatures made the "leftover oil spill" move from were it was collected.
Veteran Member
Joined: Mar 2015
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From: Oslo, Norway
Thanks for the advice Nati, and I will. However I did drive some 320 rather "enthusiastic" miles after the seal was changed over a 3 day periode up Mountains and through curvy fjords. I did deliberatly park on "easy to spot oil leak" surfaces during the whole trip and it was only during the two first days that I did find some oil drip. For the last part of the trip, and over night after I came home, there was no oil drip to be found. The mechanic also checked the oil level, and the diff was 100% full.
All signs indicates the leak has stopped and was caused by the pinion seal - but I certainly will keep an eye on it.
All signs indicates the leak has stopped and was caused by the pinion seal - but I certainly will keep an eye on it.
Junior Member
Joined: Mar 2016
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From: North West
Mine is in the dealers now having a gasket replaced- didn’t realise it was a known issue
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From: Cincinnati
Originally Posted by jaguny
I'm in the 20k range and probably should be on the lookout?
Senior Member
Joined: Feb 2019
Posts: 280
Likes: 124
From: Texas
Mines leaked, but it was coming from the mount that holds the small actuator motor to the diff. Not a hard job to reseal at all. Just lower the exhaust and lower the rear brace and everything was easily accessible.
Senior Member
Joined: Mar 2021
Posts: 257
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From: Bayern
is there anything to consider when disassembling the servomotor? Can you get it back together, or is there a specific installation method on this motor? My rear differential is also slightly damp, and would like to reseal this. I'm just a little concerned about the servomotor in case I have to disassemble that as well.
Thank you so much for all answers
Andi
Senior Member
Joined: Feb 2019
Posts: 280
Likes: 124
From: Texas
Hi,
is there anything to consider when disassembling the servomotor? Can you get it back together, or is there a specific installation method on this motor? My rear differential is also slightly damp, and would like to reseal this. I'm just a little concerned about the servomotor in case I have to disassemble that as well.
Thank you so much for all answers
Andi
is there anything to consider when disassembling the servomotor? Can you get it back together, or is there a specific installation method on this motor? My rear differential is also slightly damp, and would like to reseal this. I'm just a little concerned about the servomotor in case I have to disassemble that as well.
Thank you so much for all answers
Andi
Senior Member
Joined: Mar 2021
Posts: 257
Likes: 33
From: Bayern
So you can rebuild the actuator Motor in any position? Even if the differential was rotated after removing the actuator Motor? At the moment it is not yet clear where the oil is coming from. Looks more like the case or the transition from the aculator motor to the case.
Senior Member
Joined: Feb 2019
Posts: 280
Likes: 124
From: Texas
So you can rebuild the actuator Motor in any position? Even if the differential was rotated after removing the actuator Motor? At the moment it is not yet clear where the oil is coming from. Looks more like the case or the transition from the aculator motor to the case.
Senior Member
Joined: Mar 2021
Posts: 257
Likes: 33
From: Bayern
Andi
Senior Member
Joined: Mar 2021
Posts: 257
Likes: 33
From: Bayern
What is the case sealed with? Standard sealant or are there original seals for sale?
Thank you
BR
Andi
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