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play in side yokes

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Old Dec 8, 2011 | 08:51 PM
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Default play in side yokes

When I took the rear differential out I noticed the side yokes move about 1/16". Is this OK? I am going to change the rear seals but didn't want to put the rear end back in without doing the yokes if the 1/16' is too much.

Thanks Rodney
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Old Dec 8, 2011 | 09:04 PM
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rodney mine move around the same but don't pull out so the retaining clips are still in place.i have no issues whatsoever but i do not race the car so it may depend on how you drive it.you will hear all kinds of opinions on this topic and sometimes it will get ugly. good luck.
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Old Dec 8, 2011 | 10:24 PM
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I'd replace them. They are surfaced hardened and once the hardened part is worn off they go pretty quick.
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Old Dec 9, 2011 | 03:36 PM
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Old Dec 9, 2011 | 03:55 PM
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You wont know if the yokes are worn until you can look at the tips.
A worn out posi clutch pack will allow excessive end play also.
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Old Dec 9, 2011 | 04:23 PM
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Default Yokes

I thought my 70 was moving in and out in excess of 1/8". I picked up a dial indicator and found they were only moving .019 which is within spec. I thought the worst until I looked a bot closer.

Keep in mind that somewhere around 1974 the yokes were not properly hardened on the ends so they will wear out much faster. I remember reading another post that indicated there was a recall back in the day.

Don't guess and try to make as scientific evaluation as you can.

You can pick up a cheap dial indicator and magnetic base from harbor freight that will do the job.

Bill
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Old Dec 9, 2011 | 05:54 PM
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Originally Posted by 1974ta
I thought my 70 was moving in and out in excess of 1/8". I picked up a dial indicator and found they were only moving .019 which is within spec. I thought the worst until I looked a bot closer.

Keep in mind that somewhere around 1974 the yokes were not properly hardened on the ends so they will wear out much faster. I remember reading another post that indicated there was a recall back in the day.

Don't guess and try to make as scientific evaluation as you can.

You can pick up a cheap dial indicator and magnetic base from harbor freight that will do the job.

Bill

I don't know about any recalls, but my wife owned a '79 (bought it new), and the yokes on her car wore at the inside of the diff....
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Old Dec 9, 2011 | 08:00 PM
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Thanks everyone for the input.
Rodney
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