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Young Padawan With The DeLorean
Transaxle Lip Seals - Replaced But Leaking Again After About 2k Miles
Hello all,
Just like the title says, I replaced both without any issues about 2k miles ago and now I'm leaking again. Even more significantly through the split pin hole on the driver's side. When I took off the flange on the driver's side, everything seemed to be reinforced with a ton of RTV so maybe that's an issue on my driver's side.
I seemed to do everything as instructed. Had the seals out by just a tad and not flush. Reinstalled split pin with the split facing towards the outside. Loaded the inside of the new seal with grease. Installed Rob Grady's reconditioned and sleeved flanges. Seals seemed to go in fine. Not really sure but welcome any other tips.
Thanks
Alex Abdalla
6575
Late 1981, Grey 5-speed, 75k miles. Built 11/11/81
A stock-look with modern, reliable technology.
A full restoration with step-by-step "what I did" is in progress at
www.delorean6575revisited.blogspot.com
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If it is leaking again there are a couple of possibilities;
The "O" rings need to be replaced
The bearing adjustment is off allowing the shaft to move too much damaging the seals.
Try moving the half shaft up and down. If you can move it noticeably you have too much play and the bearing adjustment is not correct.
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Young Padawan With The DeLorean
Originally Posted by
David T
If it is leaking again there are a couple of possibilities;
The "O" rings need to be replaced
The bearing adjustment is off allowing the shaft to move too much damaging the seals.
Try moving the half shaft up and down. If you can move it noticeably you have too much play and the bearing adjustment is not correct.
Thanks David. I did replace the O-ring that had to be removed with a pick but not the one that's further in that everyone says not to mess with.
If the half shaft is moving, what's the process to adjust the bearing?
Alex Abdalla
6575
Late 1981, Grey 5-speed, 75k miles. Built 11/11/81
A stock-look with modern, reliable technology.
A full restoration with step-by-step "what I did" is in progress at
www.delorean6575revisited.blogspot.com
-
I forgot to include overfilling the trasnaxle with fluid as a cause for leaks. If you have too much play the bad news is the only good way to properly set the bearings is to remove the transaxle and follow the procedure in the Workshop Manual. If you really know what you are doing you can guess at the adjustment without removing the transaxle by tightening the adjuster till you *just* remove all of the play but that is not the "right" way to do it. This is why you are not supposed to touch that adjuster nut to remove the seal.
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Administrator
$.02
It should not matter which way you turn the split pin -- If fluid is getting to the pin, it would weep out no matter which way it was turned...
IF it's leaking at the roll pin hole only, I would suspect the o-ring that the flange butts against, or, the flange pin hole is
off. I've seen both.
FWIW- You should have to press the flange inward slightly, compressing the o-ring, to get the roll pin hole to align.
If all else fails, swap the flanges....
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DMC Midwest - 815.459.6439
Originally Posted by
Ron
$.02
It should not matter which way you turn the split pin -- If fluid is getting to the pin, it would weep out no matter which way it was turned...
IF it's leaking at the roll pin hole only, I would suspect the o-ring that the flange butts against, or, the flange pin hole is
off. I've seen both.
FWIW- You should have to press the flange inward slightly, compressing the o-ring, to get the roll pin hole to align.
If all else fails, swap the flanges....
Yes. If oil is coming out of the roll pin, you need to replace the o-ring that's further in. The one you remove with a pick tool. Don't mess with the bearing adjustments, the only time that is needed is if someone else screwed with it.
Dave S
DMC Midwest - retired but helping
Greenville SC
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Young Padawan With The DeLorean
Originally Posted by
Ron
$.02
It should not matter which way you turn the split pin -- If fluid is getting to the pin, it would weep out no matter which way it was turned...
IF it's leaking at the roll pin hole only, I would suspect the o-ring that the flange butts against, or, the flange pin hole is
off. I've seen both.
FWIW- You should have to press the flange inward slightly, compressing the o-ring, to get the roll pin hole to align.
If all else fails, swap the flanges....
Originally Posted by
DMCMW Dave
Yes. If oil is coming out of the roll pin, you need to replace the o-ring that's further in. The one you remove with a pick tool. Don't mess with the bearing adjustments, the only time that is needed is if someone else screwed with it.
Thanks guys. Sorry for the late reply. Ron, you mentioned that the flange pin hole might be off. Can you elaborate on that? In my mind, if it's off, I wouldn't be able to put the split pin back in which I didn't have trouble with. Or are you saying that it just wasn't compressed correctly, resulting in the split pin kind of having to be forced back into place since the alignment would be a bit off?
Also: can you locate a part number for the O-ring? I can't find it in the manuals and I've also been told that the original size was strange, in between a standard and metric size, and wasn't able to be 100% replaced with OEM. Just wondering what our options are with that. The kit I bought came with replacements but I bought that kit awhile ago, so......?
Thanks again.
Alex Abdalla
6575
Late 1981, Grey 5-speed, 75k miles. Built 11/11/81
A stock-look with modern, reliable technology.
A full restoration with step-by-step "what I did" is in progress at
www.delorean6575revisited.blogspot.com
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Administrator
Originally Posted by
kings1527
Thanks guys. Sorry for the late reply. Ron, you mentioned that the flange pin hole might be off. Can you elaborate on that? In my mind, if it's off, I wouldn't be able to put the split pin back in which I didn't have trouble with. Or are you saying that it just wasn't compressed correctly, resulting in the split pin kind of having to be forced back into place since the alignment would be a bit off?
Also: can you locate a part number for the O-ring? I can't find it in the manuals and I've also been told that the original size was strange, in between a standard and metric size, and wasn't able to be 100% replaced with OEM. Just wondering what our options are with that. The kit I bought came with replacements but I bought that kit awhile ago, so......?
Thanks again.
Sean and I were pulling hair on a D with all new seals and flanges leaking, I noticed that I had to push inward harder on the left flange to get the pin holes aligned than on the right. I swapped the flanges and the leak moved to the other side. Measuring it and one of the owner's old ones confirmed the pin hole was too far from the o-ring surface. I put one of the the original OEM types on and it's still dry today...
Not compressed 'enough'.
IIRC, the o-ring is 103691.
Dave (DMCMW) hooked me up with the correct ones.
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Young Padawan With The DeLorean
Originally Posted by
Ron
Sean and I were pulling hair on a D with all new seals and flanges leaking, I noticed that I had to push inward harder on the left flange to get the pin holes aligned than on the right. I swapped the flanges and the leak moved to the other side. Measuring it and one of the owner's old ones confirmed the pin hole was too far from the o-ring surface. I put one of the the original OEM types on and it's still dry today...
Not compressed 'enough'.
IIRC, the o-ring is 103691.
Dave (DMCMW) hooked me up with the correct ones.
Wow. That's the first I've heard of this and my leak is on the left side, too. Interesting. Great info. Thanks, Ron! I'll give it a shot.
Alex Abdalla
6575
Late 1981, Grey 5-speed, 75k miles. Built 11/11/81
A stock-look with modern, reliable technology.
A full restoration with step-by-step "what I did" is in progress at
www.delorean6575revisited.blogspot.com
-
Young Padawan With The DeLorean
Originally Posted by
Ron
Sean and I were pulling hair on a D with all new seals and flanges leaking, I noticed that I had to push inward harder on the left flange to get the pin holes aligned than on the right. I swapped the flanges and the leak moved to the other side. Measuring it and one of the owner's old ones confirmed the pin hole was too far from the o-ring surface. I put one of the the original OEM types on and it's still dry today...
Not compressed 'enough'.
IIRC, the o-ring is 103691.
Dave (DMCMW) hooked me up with the correct ones.
Finally getting around to starting this project (again) but had a thought: is there anything that would keep me from putting two O-rings on the stub axle in order to provide enough "squish" and have it seat properly? Not sure if this is feasible but thought I'd ask. Not sure if chafing of the O-rings would be an issue. No one likes chafing.
Alex Abdalla
6575
Late 1981, Grey 5-speed, 75k miles. Built 11/11/81
A stock-look with modern, reliable technology.
A full restoration with step-by-step "what I did" is in progress at
www.delorean6575revisited.blogspot.com
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