Helpfull Tip For Pinion Gear Set Up in Differential

Setting up a rear differential pinion gear can be a big challenge sometimes. I use this tip and technique to save some time and trouble when setting pinion depth so the shims can be changed much easier.
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Automotive technician

[@richardtaylor3499]

You are close, but missed it slightly. Simply hone the old bearing to the point that it slips easily onto the pinion shaft shoulder. Install using the doctored bearing and shims and take your measurements. Once you are satisfied with the depth/shims, take it apart and reinstall using a new unaltered bearing. Keep that old reamed bearing in your tool box...you will use it again and again.

[@ProjectXJ]

Just make a set of set-up bearings and slide on and off. Measure the difference between the set-up bearing and the actual bearing you are going to use and shim the difference. Its a cheap and fast way to set up gears. No need to hone the actual bearings you use. You want them to be tight so you don't spin the bearing.

[@somanynamesilltrythis0180]

I asked this question on a previous video made by someone else, so I'm glad this is doable. Thank you for taking the time to explain this in detail.

[@privatedata665]

Welp I'm swapping gears on my Elco next week and I'm going to make set up bearings just as you described .... I subscribed . Thanks Dude !

[@Nova-1977]

I’ve been setting d and shorting rears for over 30 years I have a box full of honed bearings for all types of rears including carrier brgs. for the Dana type . Good info you sharing ! Bravo for you .

[@348loadedlever3]

Finally a guy that gets it. Been doing this trick for years on taper bearings and sometimes I use an electric pencil if I really need more press at final assembly. You probably would do more damage taking it apart to redo it anyway

[@phildolce6163]

I am a retired GM master tech and very good-accurate information in this video.

[@dcmtrader]

NEVER spin the bearing with air. The cage is designed to retain the rollers and space them WHEN IT'S IN THE RACE. Auto techs have done this for years with wheel bearings and it makes a cool sound but I have seen them explode and cause serious injuries. If you spin the bearing dry past a slight rotating speed the bearing will be damaged.

[@macg5607]

Great video man, very helpful, thanks!

[@chuckgilly]

Thanks for the lesson on things not to do.

[@user-hw1gi1pr7u]

Three minutes and 46 seconds for you to finally get to the point. Might I add the point that most people already knew

[@JC-gw3yo]

great tip...thank you

[@justacoupleofkids320]

Agree with Richard Taylor 100%, but you also need to make sure the bearing that you are going to hone out has the same bearing inner race height as the new bearing you are installing or else the whole process is a total waste of time, just went through this and then discovered that the honed bearing wasn’t the same as the new bearing. Had to purchase another new bearing with the same inner race height.

[@colliswilliams8992]

I'm using this method to set up my diff now. Taking a break. My arms hurt just thinking about lifting my carrier again.

[@scothlausep9222]

Thanks for your wonderful help, for updating new technology support to help mi

[@metalbill]

5:49

[@georgiesonymusic675]

cool tip with care.

[@dickmick5517]

This procedure bypassed the tightly designed tolerances that have been built in by the manufactures. I do not recommend it. I have pulled too many apart where the bearing is still good but the interference fit has been lost. I like to use an new bearing that has had the clearance removed just for set up, just like one of the commenters suggested.

[@AwesomeFinish]

This guy has never had a roller bearing explode from spinning with air and it shows! lol.

[@JA-xv8qk]

I've got a 2008 chevorlet silverado 4x4 3.73 gear and I had all of the bearings replaced in the rear differential but there is a lot of play in the gears I'm sure some of the play is coming from the slip yoke but is there a way to adjust the ring gear so there isn't so much play or would it just make noise if I did? The guy that did it for me just put everything back with original shims.