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Old 03-25-2016, 09:36 PM
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Removed Differential Gears...Can I just put them back in?

The first thing I did when I bought my new-used Wrangler was change all the fluids. I noticed that the front diff gear fluid was exceptionally dirty (lots of metal shavings - the gear oil glittered!), so I took the gears out to look them over better and clean them.

Once I had it out, I only took apart the things that would come apart without tools. Then I just put everything back together and put it back in...

I've been reading lately about regearing and how involved a process it is, which has me worried that I may not have been able to just slap it back in like I did (I was gentle, but still!).

Was this an OK thing to do since I was just putting the old gears back in? I've driven in 4x4 hi and low since then, and it seemed to work fine. But now I am worried. The only info on this I have been able to find is about regearing, not removing and replacing the original gears. Any help/advice is greatly appreciated.

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Old 03-25-2016, 09:43 PM   #2
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That probably was not a good idea. There is a lot of measuring when putting in diff gears. Most people can not do this themselves. It might run ok, but unless it went in exactly like it was with perfect tolerances then you might me slowly ruining that gear.

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Old 03-25-2016, 10:07 PM   #3
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It'll be fine... Carrier shims are between the bearings and carrier, once it's set it's set. Hopefully you put the bearing caps on the exact way they came off (they should be marked), it's also a good idea to put the bearing race/cups on the same side they came off.
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Old 03-25-2016, 10:11 PM
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Thank you for the responses. I did notice the markings on the bearing caps and put them in the same way. But everything else I just kind of put back together and made sure it spun. lol Reading about regearing and how complex it is sure got me worried!
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Old 03-25-2016, 10:14 PM   #5
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Quote:
Originally Posted by Mobusaki View Post
Thank you for the responses. I did notice the markings on the bearing caps and put them in the same way. But everything else I just kind of put back together and made sure it spun. lol Reading about regearing and how complex it is sure got me worried!
It will be absolutely fine, just removing the carrier changes nothing.
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Old 03-25-2016, 10:29 PM
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I had to look up what a carrier is. I know, I have a lot to learn. I removed everything in the differential housing except the pinion gear, and took everything apart as much as I could by hand (the only thing I used tools for were the bearing caps). I did not mess with all the bolts on the carrier, but I did take it out. So I guess I'm good then. Thank you so much!
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Old 03-26-2016, 08:34 AM   #7
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People pull the carrier to put in a locker and even take the ring gear off and put it back on to get the cross pin out. They mark it (the ring gear) so that it can go back on in the exact same position, torque all of the bolts to spec with a locking compound on the threads and seem good to go. I think you will be ok. Just my $ 0.02.
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Old 03-26-2016, 08:41 AM   #8
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agreed, you sound ok, especially if you already tested it in 4lo.

thats most of the steps to install a lunch box locker
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Old 03-26-2016, 08:44 AM   #9
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as long as you installed the races and caps into the same locations they came from, and re-torqued the bearing caps to spec, you should be ok.

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