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What damage without it? Personally, I wouldn't want to find out. I bought a new one to replace the one on the left rear of mine, it was messed up. The one in the picture is an extra... I usually buy 2 (specially if they're not expensive) just to have an extra.
That is what it looks like. I went ahead and disassembled the left side to install it. I had not done the right side yet, so I did not screw up the right. Finished about midnight last night. Now both sides are done.
Related question.
My half shafts appear to be alluminum. Aren't most of them fiberglass or something other than alluminum?
.. oh and how hard to do the rear bearings? special tools?[/QUOTE]
You need a 36mm socket for the spindle nut and a 55 torx for the 3 bolts on the backside of the bearing. Shoot plenty of penatrating oil on the bolts well before the job to let them soak. Once you get them loose, it's a piece of cake.
My half shafts appear to be alluminum. Aren't most of them fiberglass or something other than alluminum?
The only C4 that ever was supposed to come from the factory with something other than aluminum were a few of the early 1990 ZR1s. They had steel halfshafts. Everyone else got aluminum. You can buy steel and carbon fiber ones as upgrades.
Do a search for rear bearings on the forum. Make sure you search on archives. Ther a couple really good posts. It is not hard. Use a mirror and flashlight and rotate your hub so you can see the T-55 bold real well. Then slip the T-55 tool into the bolt. I used a series of 3/8 inch drive extensions and placed a deep socket with an extension over the ratchet handel as a cheater bar. Those three bolts are the most difficult part.
Once you have one side off, the other side will go consideribly faster due to your knowing how to do it.
If you do not know how to disengage the parking brake, let me know and I will help you with that.
I replaced my rear bearing and hub assembly. There was a disk behind the old bearing that looked like an oil slinger. Does this have to go back in?
What is it for?
What damage if I don't put it back in?
Thanks
Ron
Ron, I believe that the piece you're talking about is a shield that's supposed to help keep dust and dirt away from the seal to make it's job easier. I would put it back on.