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-   -   1972 1/2 ton 10 bolt rear axle clips (https://67-72chevytrucks.com/vboard/showthread.php?t=798028)

vics stuff 12-13-2019 04:03 AM

1972 1/2 ton 10 bolt rear axle clips
 
What I have is a original 117,000 mile unmolested 1/2 ton 2 wheel drive truck. The other day i noticed that my real axle had a weird clunking sound. I got home and looked at it. I found out that i had somewhere along the way developed a right rear axle seal leak. I also noticed that when i rock the truck from side to side i hear and see that i have about a 1/4" side play in the axle .
My question is there a shim kit available to shim the rear axle side play . Getting ready to do a complete brake rebuild but now I have rear differential issues.
Any help is appreciated

notsolo 12-13-2019 07:10 AM

Re: 1972 1/2 ton 10 bolt rear axle clips
 
Not the expert!... Not something you want to shim, the spider gears have shims to center them that's it. There are 2 "C" clips that hold the axles in. That much play could lead to a clip falling out and the axle after it. You need to pull the cover and check whats going on.

vics stuff 12-13-2019 11:29 AM

Re: 1972 1/2 ton 10 bolt rear axle clips
 
notsolo ! That is what I recall messing with one about 20 years ago but was not sure. My truck is kept 3k miles away from me at another place that I have. I use my truck as transportation when I am down there visiting , this time while down there I had noticed these symptoms. My next trip down , I am going to tear into this and see what is going on. Just wanted to try and get things in place so when I do get there I can fix the problem and be able to enjoy my truck.
Vic

BROWN 70 12-13-2019 03:58 PM

Re: 1972 1/2 ton 10 bolt rear axle clips
 
panhard bar bushings? I had to replace mine and it had side to side movement. BROWN 70

randy500 12-14-2019 01:30 AM

Re: 1972 1/2 ton 10 bolt rear axle clips
 
If its posi you can add shims in the clutch pack which brings the gears towards the center tightening up the axles, the c clips get worn and so does the center pin, changing those can help, lots of times the axle end is worn or mushroomed, cant fix that.

vics stuff 12-15-2019 01:54 AM

Re: 1972 1/2 ton 10 bolt rear axle clips
 
Randy500. Your ideas are exactly what I think is going on with this. I inadvertently did not keep a eye on the diff lube and it was way low. I think the axle clips and the groove are worn from lack of lube. I do have a 12 bolt 72 truck posi that I thought I would install one day. Maybe this is the time.
Will go thru it and replace the axle and pinion seals and do a brake job on this.
Vic


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