10 bolt with bolt in axles

Old May 8th, 2019, 02:37 PM
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10 bolt with bolt in axles

Does anyone know how much end play there should be in a axle after new bearing installed and axle is bolted into the rear end housing. Just had a new A9 bearing pressed on and after I put it back together I've got a good 1/8 inch movement in and out.
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Old May 8th, 2019, 03:51 PM
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Do you know which axle seal was used? Monzaz has posted that the 712146 seal is the proper thickness but sometimes the wrong seal that is too thin is used and can cause too much end play.

https://classicoldsmobile.com/forums...vement-116532/

Originally Posted by monzaz View Post
Not so much the bearing as it is the seal deal.
Set9
712146 seal <<<<<
Both Timkin

Seal must be at least .490 (almost 1/2" thick)
If the seal is .460 thick that is where your problem is going to be.

If the seal is black and gold it will probably be the WRONG seal. it is most likely a 2146 in a 712146 box.

Jim
J D Race

Last edited by Fun71; May 8th, 2019 at 03:53 PM.
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Old May 9th, 2019, 06:55 AM
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Thanks for the info Fun71 I'll check my receipt or with the parts store the shop didn't save the boxes. I drove it about 10 or 15 miles and the brake drum was so hot I couldn't touch it so I'll have to pull it all back apart. Pulled the brake drum off yesterday and it came off with out any dragging and showed no signs of dragging.
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Old May 10th, 2019, 10:42 AM
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2146 vs 712146

2146 seal .460
712146 seal is .490
Always buy TIMKIN in this axle bearing set-up./

Jim
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Old May 11th, 2019, 09:48 AM
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Found my receipts and went back and talked with parts store/shop that installed new bearing and seal. Originally took axle up WITH part numbers for Timken parts for them to install and it turns out they substituted non Timken parts. Used a different brand A9 bearing and a 2146 seal. Don't know what their problem is but after a long discussion the said they couldn't get them?
Jim can you get me a set together and I'll buy them from you? That should insure that when I put it back together I'll be stating with the right parts.
Thanks Earl
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Old May 11th, 2019, 02:25 PM
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Dunno why your shop couldn't locate them I searched and found them easily: $7.09 each at Rock Auto.

https://www.rockauto.com/en/parts/ti...heel+seal,1860
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Old May 11th, 2019, 08:34 PM
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I don't understand it either. I wrote down what type and year of the car, the type of rear end and the part numbers. Spoke with the counter guy and explained all to him. My guess is they used the first stuff the could get and rushed it through. It was my first (and last) time using them. They probably had to rush it through to get back to working on all the tractors and other stuff the local farmers are waiting on for planting season. Thanks for the rock auto info.
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