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Old 05-13-2024, 07:26 AM
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N62 Alternator Bracket Gasket

Hi - for those whoíve replaced it - did you also need to replace all the diff seals when you moved the diff and pulled out the driveshafts? Iíve read a few guides and some suggest this is necessary? Not sure how easy it will be to do the diff seals if itís not being removed out of the car? Will it leakÖ.?

Grateful for advice on this - looks like just need the alternator bracket seal and orings for the oil feeds.
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Old 05-13-2024, 04:38 PM
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I've swapped a few CV axles never changed the seals no leaks up to 205,000 miles.
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Old 05-13-2024, 08:14 PM
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Quote:
Originally Posted by andrewwynn View Post
I've swapped a few CV axles never changed the seals no leaks up to 205,000 miles.
Same. Just did a boot on the left axle and didnít change the seal. No leaks (yet). Just be careful on the reinstall of the axle and you should be fine.
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Old 05-14-2024, 02:24 AM
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Thanks for the above - that’s good to know on the cv axle seals - what about the seal between the diff and the oil pan…?
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Old 05-14-2024, 02:24 AM
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Thanks for the above - thatís good to know on the cv axle seals - what about the seal between the diff and the oil panÖ?
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Old 05-14-2024, 08:12 AM
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Not sure about these v8s and alternator brackets, but, when I first picked up my x, it was leaking profusely from the oil pan and both of those little o-rings. It was hard to tell for certain if it was the o-rings or just the pan. The gear oil and engine oil were all mixed together.

I did the axles back in January. I had a fit getting the passenger one in, and messed up the seal. The axle seals weren't leaking but because I'm an idiot now the one was. So I ran the front diff leaking for about a month, it got low and fluid and started getting noisy. So now I've addressed that but I'm probably going to have to rebuild the diff.

Crack the fill plug of your diff. And if nothing comes out you probably want to replace those things soon. If you keep running it with a leak what's going to happen...

When you put the axles in you cannot touch the seal at all. If you put the opening in the c-clip at 12:00 it will push right in first try, very satisfying.
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Old 05-14-2024, 12:17 PM
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Thanks for the above!
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Old 05-14-2024, 11:19 PM
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Originally Posted by svvg View Post
Thanks for the above - thatís good to know on the cv axle seals - what about the seal between the diff and the oil panÖ?
Iíd put a new seal in there for sure. Cheap insurance. I know very little about the n62, but on the m62 itís super easy to replace this seal. Itís extremely difficult though to pull the diff though if you donít do it and it leaks.
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Old 05-15-2024, 01:34 AM
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I just got done with this job on my 4.8IS. Replace the front diff seals for sure! You have to remove the drive shafts so why not? Cheap insurance if you are already that deep into a repair. I also replaced the o ring between the diff and the oil pan. Make sure to replace all the little o rings on the oil cooler lines as well.
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Old 05-15-2024, 02:33 AM
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Originally Posted by SocalD View Post
I just got done with this job on my 4.8IS. Replace the front diff seals for sure! You have to remove the drive shafts so why not? Cheap insurance if you are already that deep into a repair. I also replaced the o ring between the diff and the oil pan. Make sure to replace all the little o rings on the oil cooler lines as well.
Thanks for this (and to all whoíve posted above) - so is there enough wiggle room to get to the seal between the diff and oil pan? Or did you have to take the diff out entirely?
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