Topic: Rear Bearings, Seals
in Forum: C3 Driveline Components
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I just purchased a 79- L-82, with 59,446 miles on it. Going thru recipts, I discovered it has only been driven 2100 miles in 4 years. Engine fine, replacing trans rear seal, and rebuilding p s control valve.
Now I have discovered the rignt rear wheel leaking on the inside to the floor, not much. Rear bearings and seals, that I cannot do. Anyone know what a shop will charge to do this, per side?
Now I have discovered the rignt rear wheel leaking on the inside to the floor, not much. Rear bearings and seals, that I cannot do. Anyone know what a shop will charge to do this, per side?

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Take your wheel off and check. You may find out that it is your brake caliper leaking. Mine did that when it sat for awhile. I replaced the old caliper and have not had the problem since.
sstanford
'76 L48
I agree. Sounds like a brake leak.
1975/L48/Coupe/4 Speed(1 of 1057)/Headers/true duals/aluminum intake/holley 750/MSD ignition/roller rockers/
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Sounds like a caliper leaking to me too,and if ones leaking the other one probably isn't far behind.May as well replace them both,plus the rubber brake hoses.you can rebuild them yourself if the piston bores are not badly pitted,I didn't want to fool with mine,I just ran down to my friendly nieghborhood parts store and bought a set of rebuilts ,55 bucks a piece,and 2 hoses 12 bucks a piece,easy job.get the rotors turned and put on new pads while you are at it.while you have the rotors off visually inspect the axle seals for leakage,if they are that job is a lot more involved
you have to separate the axle housing from the trailing arm and then take it too a machine shop to get the spindle pressed out of the carrier ,install new bearings and seals and shims to preload the bearings to the right specs and pressed back together, make some phone calls to local speed shops ,tell them you need press work for VETTE spindles don't let them touch them unless they know how to do them.a spindle costs from 150 to 200 dollars a piece,and I'm sure the bearing housing is that much if not more.try your local Chevy dealer if you belong to a Corvette club,they usually will give you a discount. good luck, if you take your time and dont break anything youll be fine. You'll be doing a lot more work on your Vette as long as you own it,get used to it.If you need help just jump in here whenever you need it one of us has the answer. Ron 78






C3VR Lifetime Member #93
Thanks for the feedback to all. I have owned a few Vettes, but usually bought with all work done. Jumped back in after 5 years, and loyal to the C-3's.
You all were right, it is the caliper leaking.
In the Jan. '04, CORVETTE TRADER, mag, there is a company 45 minutes from me, in Wellington, FL, that is selling ready to ship, re-manufactured, SS sleeved calipers, with the new O-Ring design, for $66.00 each, + core exchange. www.fixvetteparts.com .
Ph: 888-748-0362. They have trailing arms at good prices also. Looks like the way to go, both sides.
You all were right, it is the caliper leaking.
In the Jan. '04, CORVETTE TRADER, mag, there is a company 45 minutes from me, in Wellington, FL, that is selling ready to ship, re-manufactured, SS sleeved calipers, with the new O-Ring design, for $66.00 each, + core exchange. www.fixvetteparts.com .
Ph: 888-748-0362. They have trailing arms at good prices also. Looks like the way to go, both sides.


Kingston, PA - USA
Joined: 11/26/2003
Posts: 636
Vette(s): 1977 L-82 originally white/buckskin interior.
Currently undergoing a frame-off resto. and modifications.YEEHAW!!!
I agree on the rear calipers, they're famous for going bad when a c3 sits for too long. Also, upon final assembly, check the runout of the rotors. If there is too much, the shimmy will be enough to cause the pistons in the calipers to hyperextend, causing a leak.
I believe the acceptable runout is .002 - .008, but I would check a spec. sheet to be sure. Good luck.
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I believe the acceptable runout is .002 - .008, but I would check a spec. sheet to be sure. Good luck.
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in Forum: C3 Driveline Components
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