Wheel bearing nightmare

Old 05-17-08, 04:21 PM
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Wheel bearing nightmare

Ok, hopefully someone can help with this.

Replacing a real wheel bearing on a Porsche 968. Lots of good info on the net and in the shop manual, easy, right? I get everything apart except the hub and bearing. When I follow the net instructions, half the bearing comes out with the hub (easily removed later).

The problem is, this is a sealed bearing. While following the procedure (heating the trailing arm, using a slide hammer and such), the rest of the bearing insides comes out. A near perfect round (hard to get a grip on with slide hammer) I believe it is called the race, but I will call it the bearing case is inside the trailing arm (this bearing was shot). Any suggestions on how to get it out? I would cut it (would I need a carbide blade? It is a hardened case), but I do not want to damage the trailing arm.

Old 05-17-08, 08:17 PM
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You could cut the race with a carbide type bit. I have had to do this before. What I do is grind or cut it in at least 2 places, very carefully not to cut into whatever it is pressed into. Then take a chisel and give it a few whacks and it should break where you cut it and it will be much easier to remove. If you have already tried to remove it with a slide hammer and some type of remover then it may be too tight to remove this way and cutting it may be your best bet.
Hope this helps ya,

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