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Been considering both routes, but I am leaning towards having mine shipped to the shop and having it installed there. They quoted 4 hours for the job, said they could do bushings and other items as well if needed.
There are plenty of DIYs out there, but I would rather not leave something so integral to the actual movement of my car up to "figuring it out as I go along."
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Dropping the complete diff assembly is not that difficult. Biggest PITA is removing the 1 piece exhaust including the nuts that hold it at the front to the headers. Those nuts get rusted and usually snap which requires drilling out the pressed in studs. Then the actual remove of the driveshaft assembly and the diff is straightforward.
I would though replace the center carrier bushing on the drive-shaft and guibo as well as the 3 diff bushings that hold the assembly to the diff. That will require a special tool though since the bushings are pressed into the subframe.
If you are just going to drop the diff then you don't have to drop the exhaust... Just have to unscrew the bolts close to the rear end muffler to get a slight ply on the exhaust, which should be enough to remove the sway bar... At least that is what I did... But to change the flex disc definitely have to drop the exhaust...
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When I purchased my LSD from Rob (Sockethead), he did the install for me and from my perspective.... Rob made it look very easy and he knew the torque specs of every bolt when he did this job. Of course Rob has done this several times so by the time he swapped my diff out it looked like a very easy job. It didn't take Rob 3-6 hours to do the swap either. He would have to chime in as to how difficult this is to DIY :thumbsup
Yeah that is another option. However if you are dropping the diff, "might as well why you are in there" replace the diff bushings. Those take a beating and usually crack and create clunking noises.
But it is not a difficult DIY especially if you have a lift. No need to over-complicate things IMO
Dropping/installing the diff is really easy. Just a little heavy obviously so a second jack/friend helps. I say tackle it yourself.
also, make sure you've got air tools (sounds like you do already), and the required socket for the driveshaft and axle bolts (i believe it's an E12 torx?).
i also agree about going slow and taking your time - i definitely don't feel young enough to be pulling an all-nighter on these types of projects anymore, so i'm actually going to rent some hoist time at a local garage to do it, and take a day off work (i also have a bunch of other "while i'm in there" things to do).
peter
Completely agree... They will have to be changed eventually and changing the bushings doesn't take more than 10-15 min once the diff is out... And although the diy is not too difficult, it's something that you don't wanna do more than once especially if you do not have a lift...
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