wheel bearing replacement, related info

If your rear wheel bearing or parking brakes making noise,its best to not drive on it untill you know the cause and extent of any problem or damage, it might be in need of a simple adjustment or need to be dissassembled lubed and re-assembled, the damage done , driving it to a local shop,,depending of course on the current bearing and race condition , lube and the distance to the repair shop should be minimal, if its only begining too make noise but why not put it up on decent jack stands and remove the whole components, inspect and replace the defective components yourself OR and drive those parts in the trunk of your car or truck to the local machineshop to be reconditioned so theres no need to drive on them.
obviously a great time to get a SHOP MANUAL and a 12 ton PRESS .. a FLOOR JACK, and (4)12 ton JACK STANDS if you don,t currently have those tools in your garage
Hi Grumpy is correct.........this from our web site but listen closely as you turn the wheel it may also be just a simple parking brake issue.

"To Determine the Condition of 1963-82 Rear Wheel Bearings"

1) Raise your Corvette and place 4 jack stands under the frame rails.

2) Disconnect the half shafts and raise the rear wheels to allow the tires to turn freely.

3) Block up the trailing arms to support the rear wheels and spin the rear wheels, while carefully listening for any squeaking or sounds that indicate roughness or binding in the rear wheel bearing assemblies.

4) Remove the rear wheels from the Corvette and position the dial indicator so that the point is perpendicular to the outer wheel rotor surface. If the rivets have been removed be sure to bolt the rotor on with the lug nuts.

5) Measure the movement by carefully prying the rotor (Remove the drum 63 & 64 cars and pry directly on the spindle) outwards with a large flat bladed screwdriver, then by prying inward with the screwdriver placed between the spindle flange and the inside of the trailing arm.

6) If the measurement is less than .008 inch, and the rotation of the wheel is very smooth, with no noise or binding, the bearings should be okay. But if your car has over 70,000 miles on it, it is probally time to rebuild the bearings any way.

Gary @ http://www.vtechcorvette.com
 
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