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Topic: Unusual Wear on Half Shaft

in Forum: C3 Driveline Components


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Unusual Wear on Half Shaft (7/17)
 7/15/08 10:08pm
cthulhuLifetime Member
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Hot Springs, AR - USA

Vette(s):
69 Conv #'s match 427, TKO-600/.64, 3.36HD-Posi, HT, T/T, PS, PB, PW, SP, Leather, Comp XE264HR & Roller Rockers & Lifters, Air-Gap RPM intake, Holley St Av 770 VS, MSD 6AL+Dist+Blaster SS, K&N, Jet-Hot Hooker Side-Pipes, Steeroids, Al Rad, Spal Fans


Joined: 4/24/2004
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the part of this that I hate in replacing the yokes is the snap ring on the inside of the yoke.
 
i would bet the inner end of the yoke has worn off, causing the snap ring to fall off and then this lets the yoke slide ouf of the diff, which then allows a wierd angle.
 
also... im not sure what you mean about the 90 degrees thing.  they will never stay lined up at 90 degree offset.
 
cthulhu2008-07-15 19:10:56

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Unusual Wear on Half Shaft (8/17)
 7/16/08 12:17am
rraider1
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Woodland, WA - USA

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When the repair is done Is it not better to replace the yokes with hardened ones, I beleive when mine was repaired that is what was done. a good check for this wear is when the car is jacked up you can grab the bottom and top of the wheel and it will rock back and forth as the yoke goeas in and out, which is bad
Unusual Wear on Half Shaft (9/17)
 7/16/08 8:15am
Adams' AppleLifetime Member
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Duncanville, TX - USA

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#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


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[QUOTE=rraider1] When the repair is done Is it not better to replace the yokes with hardened ones,[/QUOTE]

It's always better to go with the best parts, but it really depends on how the car is used. A "driver", or a car that is used often, will benefit from the hardened yokes for sure. If you're working on garage art, or a car that rarely gets any long distance miles, it may not be all that worth-while.
In the long run, however, you really don't want to have to re-do a diff in a Shark more than once in a lifetime, so the better yokes would be money well spent.

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Unusual Wear on Half Shaft (10/17)
 7/16/08 8:38am
KeBo
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Kendall Park, NJ - USA

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I just had my rear rebuilt from lug nut to lug nut. IT WAS EXPENSIVE! If you need to rebuild, I'd do the t-arm assms too.  I didnt when I did mine and Im kicking myself..
Unusual Wear on Half Shaft (11/17)
 7/16/08 6:54pm
sgm2004
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Falls Church, VA - USA

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1975, 4 speed, L48, NOW Silver mist, Oxblood inside 2003 50th Av Torch RED little brother to 75


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[QUOTE=Adams' Apple] [QUOTE=rraider1] When the repair is done Is it not better to replace the yokes with hardened ones,[/QUOTE]

It's always better to go with the best parts, but it really depends on how the car is used. A "driver", or a car that is used often, will benefit from the hardened yokes for sure. If you're working on garage art, or a car that rarely gets any long distance miles, it may not be all that worth-while.
In the long run, however, you really don't want to have to re-do a diff in a Shark more than once in a lifetime, so the better yokes would be money well spent. [/QUOTE]
 
Your exactly right Adam in long run its worth it. Just got the 1ST T/A off going for secound tonight then Diff. Hope to head to Zips Saturday have to see. But I'm replacing with all new lug nut to lug nut. Like one of the members said its a once in a lifetime deal for us. Do it right and will not have to do it again (hopefully). Thanks
 
Guy
Unusual Wear on Half Shaft (12/17)
 7/17/08 10:02am
sgm2004
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Falls Church, VA - USA

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1975, 4 speed, L48, NOW Silver mist, Oxblood inside 2003 50th Av Torch RED little brother to 75


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[QUOTE=jp75vette]Ok, I moved the Corvette into intensive care and am ready to pull the differential and the half shafts and take it to someone who knows how to fix it right.
 
Anyone have instructions on how to pull the differential. I started to work at all the bolts I could see and they are all turning so that's good news.
 
Anyone know of a good Corvette diffential place in Detroit area?
[/QUOTE]
 
Jack, one of the best books I have found and what is helping me now is a soft cover book called "How to Restore and Rebuld Your Covette". I think the authors last name is Newton, cant remember first, book at home. It's very good reading and the author really does a good job of giving information on rebuild and Mods. One or two tips from me before you start are Buy yourself a good pair of mechanics gloves like Craftsman from Sears and if you can afford it or rent it. A 1/2 electric impack drill w/tempered sockets (DEEP WALL) trust me it will help you GET ER DON. Thanks
 
Guy
sgm20042008-07-17 07:03:57
Unusual Wear on Half Shaft (13/17)
 7/19/08 8:50am
jp75vette
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Bloomfield Hills, MI - USA

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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


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I pulled the differential last night and found out that the Yoke retainer clip had come off. I'm not sure how that happened as the clip and the groove in the yoke look OK to me. I see that the splines on the yoke have twisted a little. Is this normal and is the yoke OK?
Unusual Wear on Half Shaft (14/17)
 7/19/08 9:44am
cthulhuLifetime Member
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Hot Springs, AR - USA

Vette(s):
69 Conv #'s match 427, TKO-600/.64, 3.36HD-Posi, HT, T/T, PS, PB, PW, SP, Leather, Comp XE264HR & Roller Rockers & Lifters, Air-Gap RPM intake, Holley St Av 770 VS, MSD 6AL+Dist+Blaster SS, K&N, Jet-Hot Hooker Side-Pipes, Steeroids, Al Rad, Spal Fans


Joined: 4/24/2004
Posts: 3231

if the splines have twisted then the yoke isnt ok...
 
you need to replace it.
 
how about the other side and its yoke and clip?
cthulhu2008-07-19 06:45:04

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Unusual Wear on Half Shaft (15/17)
 7/19/08 2:56pm
jp75vette
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Bloomfield Hills, MI - USA

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


Joined: 6/29/2008
Posts: 199

The other side clip was still on, I removed it and noticed that the was wear on the end of the yoke shaft, so much that there were burrs on the splines. The splines were straight on this side.
Unusual Wear on Half Shaft (16/17)
 7/20/08 12:52am
sgm2004
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Falls Church, VA - USA

Vette(s):
1975, 4 speed, L48, NOW Silver mist, Oxblood inside 2003 50th Av Torch RED little brother to 75


Joined: 3/22/2006
Posts: 232

All, yoke came completly out on mine only thing holding mine together was rear supention. Got it all out took it to Zips today T/As and diff. I'm replacing just about everything from wheel to wheel. keep ya posted. Thanks
 
Guy
Unusual Wear on Half Shaft (17/17)
 7/20/08 6:41am
jp75vette
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Bloomfield Hills, MI - USA

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


Joined: 6/29/2008
Posts: 199

I talked to a Corvette shop that repairs differentials and when I reviewed my situation, over the phone he said it was the springs that caused all these problems.  I believe he is right as my car had extra wide tires (P295 50R 15's), spacers to prevent these wheels from rubbing on the ebrake cable and also was riding high. I will take it to him to rebuild and have him give me advise on a new spring.
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