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Topic: Rear wheel making Noise.

in Forum: C3 Engines, Driveline and Handling


Rear wheel making Noise.

Posted: 9/26/09 1:39pm Message 1 of 7
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edgwood, MD - USA
Joined: 11/1/2007
Posts: 736
Vette(s): 1975 convertible,with the hard top and power streering.it a 350 L48 with auto trans. the color is light blue.
My right rear wheel is making a clicking/grinding noise.I think that it's my wheel bearings.I checked the drive shafts and they are not loose. Dose anyone have a break down drawing of the rear wheel bearings.Or do I have to replace the whole trailing arm or can I just change the wheel bearings.
                                                           Thanks RickWits End



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Rear wheel making Noise.

Posted: 9/27/09 8:37am Message 2 of 7
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Woodland, WA - USA
Joined: 10/14/2003
Posts: 1171
Vette(s): 1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion



Rear wheel making Noise.

Posted: 9/27/09 8:42am Message 3 of 7
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Woodland, WA - USA
Joined: 10/14/2003
Posts: 1171
Vette(s): 1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion
you might want to make sure it is not the brakes (disk or the emergency ) making the noise. You get more info to follow but I beleive you need special tools to set up the bearings. you might want to get a rebuilt trailing arm then replace it. you need to start soaking the bolt where the trailing arm is attached to the frame, that can be a bear to get undone.


Rear wheel making Noise.

Posted: 9/27/09 1:53pm Message 4 of 7
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Manteca, CA - USA
Joined: 11/20/2005
Posts: 3623
Vette(s): 1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed
You can even check for bearing play just as you would the front wheel. Hold each side of the tire and wiggle. And grab from the bottom and top and do the same. maybe even lift a little from the bottom to feel for play. A small amount of play is acceptable.


Rear wheel making Noise.

Posted: 9/28/09 8:05am Message 5 of 7
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Bloomfield Hills, MI - USA
Joined: 6/29/2008
Posts: 199
Vette(s): 1975 Corvette coupe, 4 speed manual, 383 ci 9.5:1,Edelbrock dual plane Air Gap intake, Alum Heads,Comp Cam, roller Rockers, PS,PB,Tilt
If you need to remove trailing arm, best bet is a saws all. Quick and easy.
 
I hear the rear bearing set up is very tricky.



Rear wheel making Noise.

Posted: 9/29/09 9:00am Message 6 of 7
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Mounds View, MN - USA
Joined: 5/24/2007
Posts: 1031
Vette(s): 70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe
Acceptable end play in the rear bearing is 0.001 to 0.002", which is too small to feel by just wiggling.  If you feel any in and out movement, it is time to rebuild before you start damaging pieces.  Setting up the bearings involves a special tool that lets you measure the end play and try different shims until you get it exactly right. 

There are a lot of companies offering "rebuilt" assemblies.  Their definition of rebuilt varies, so make sure you get one with new bearings and seals, and rotors.  We use a local service, and have never had one fail in 30 years.  We send you a rebuilt assembly, and when we get yours back we send it in to check the cores.

Larry



Rear wheel making Noise.

Posted: 9/29/09 9:09am Message 7 of 7
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Leavenworth, KS - USA
Joined: 1/24/2007
Posts: 426
Vette(s): MM Red 1971 T-top,LS5,4-speed, black leather C5 seats, Hooker sidepipes. Previous: 64 Coupe, 65 Roadster L76 / N14
Welcome to the world of swapping out trailing arms.  Wits End It is apparently a rite of passage for the C3.  Best to do it in pairs and probably not try to do just the bearings yourself. 
 
Plenty of good vendors out there who either rebuild yours or swap them.  The way to go IMHO.  Have fun regardless!



in Forum: C3 Engines, Driveline and Handling


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