vibration at 60 bent axles? - Page 2 - Hot Rod Forum : Hotrodders Bulletin Board
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  #16 (permalink)  
Old 11-19-2013, 08:48 AM
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My suspension is a triangulated 4 link with coil overs.

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Old 11-19-2013, 09:23 AM
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Thanx! I was curious!
I had a cracked leaf once that had a similiar vib as yours.
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  #18 (permalink)  
Old 11-19-2013, 09:25 AM
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You can get a pinion bearing kit from Randy's Ring & Pinion that has Timken bearings, pinion shims, 2 crush spacers, pinion nut and seal for less money that you can buy the parts individually. Be sure that you set the pinion bearing preload correctly. This is very important.
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Old 11-19-2013, 10:03 AM
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Can I just pull the pinion and have the bearings and preload done without pulling the whole thing?
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Old 11-19-2013, 11:12 AM
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You can leave the rear end in the car, but you will have to remove the axles and differential.
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Old 11-20-2013, 10:14 AM
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Quote:
Originally Posted by big gear head View Post
You can leave the rear end in the car, but you will have to remove the axles and differential.
BGH,

Are you saying this because the pattern will need to be rechecked? I'm thinking on a Ford 9", you can just remove the pinion housing and swap bearings while keeping the shim stack intact. Being a "rearend rookie" I'll always defer to your vast knowledge...

Russ
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Old 11-20-2013, 10:40 AM
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I pulled the pinion out and the bearings and races don't show any damage but the races are dull and not shiny. The pilot bearing has some play on the pinion but it seems like a pretty loose fit anyway. When I pulled the yoke support off the outer cage and all the bearings fell out of the back bearing. Not sure what that was about. I will replace all and have a local race car builder set up the pre-load. Bearings have the part numbers and made in china on them.
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  #23 (permalink)  
Old 11-20-2013, 02:01 PM
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I forgot that this was a 9 inch. I was thinking of a GM rear end.

Sometimes the pinion will come out of a 9 inch without having to loosen the backlash and sometimes it won't. Most of the time I have to loosen the backlash before the pinion will come out.
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  #24 (permalink)  
Old 11-20-2013, 02:18 PM
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It came right out without a hitch. I don't see anything that indicated a problem so the .070 lateral runout on the wheel may be the culprit after all. At least the bearings will be new.
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Old 11-20-2013, 02:28 PM
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Just be sure that the bearing preload is set right. I recommend using some red Locktite on the nut.
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Old 11-20-2013, 02:31 PM
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Will do. Local race shop does a ton of them so they assured me it will be fine. Took a floor jack handle on the i/2 drive break over to get it to loosen.
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