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There's a good sized torx socket that you need to remove the bolts that come from the inside. I can't remember what # it is. Otherwise its pretty straight forward. Two recomendations, replace the shim that goes behind the bearing and use a quality bearing like AC Delco.
Let me "Ditto" on the U-joints. As long as you're back there, it's easier to get the three T55 bolts out with the half-shafts out. And if you have enough mileage on your car to be replacing the hubs, the U-joints are surely not far behind. But to answer your question, it's not very difficult at all. Just replace the teflon-coated washers that go between the spindles and hubs or you might have noise later. I paid $7.21 each for the washers at the Chev. parts counter.
From: No more yankee my wankee, the Donger is tired!
Originally Posted by any4xx
Let me "Ditto" on the U-joints. As long as you're back there, it's easier to get the three T55 bolts out with the half-shafts out. And if you have enough mileage on your car to be replacing the hubs, the U-joints are surely not far behind. But to answer your question, it's not very difficult at all. Just replace the teflon-coated washers that go between the spindles and hubs or you might have noise later. I paid $7.21 each for the washers at the Chev. parts counter.
If you are replacing hubs, you need to do u-joints. And also take a heavy look at the condition of your bushings.