How to: Rear Wheel Axle Bearings - JeepForum.com
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Unread 03-25-2011, 08:20 PM   #1
NextJeep
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How to: Rear Wheel Axle Bearings

I am looking for a good "how to" for changing out the rear axle bearings. I have looked at the FAQ (it assumes I know more than I do) and all over the net and can't a clear explanation for removal and install. The install should be easy with a Dremel, though I would rather use a slide hammer. But the install is especially illusive--I can't find an explanation for this. If you have one, or can explain to me the process of installing the new bearing without a hydraulic press I would greatly appreciate it. I plan to take pics as I go through this repair and make a good walkthrough unless someone can lead me to one that is already online.
Thanks.

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Unread 03-25-2011, 08:28 PM   #2
Jay12
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http://www.stu-offroad.com/axle/d44/d44-1.htm
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Unread 03-25-2011, 08:42 PM   #3
NextJeep
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Thanks Jay. I appreciate the thread. Cutting and removal is pretty straight forward, but I am wondering if it is possible to do this job without a hydraulic bearing press. the thread you gave uses a hydraulica press to do the reassembly. Is it possible to do this job without a $200+ dollar tool? If so, what is the method?
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Unread 03-25-2011, 08:44 PM   #4
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I've always heard you need to have the bearings pressed on, but maybe someone else knows how to do it differently.
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Unread 03-25-2011, 08:58 PM   #5
tangofox007
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Quote:
Originally Posted by NextJeep View Post
Is it possible to do this job without a $200+ dollar tool? If so, what is the method?
You can drive the bearing itself onto the axle pretty easily. The retaining ring is another story. It's a very tight fit and reasonably requires a press, in my experience.
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Unread 03-25-2011, 09:02 PM   #6
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Originally Posted by Jay12 View Post
The OP has a Dana 35, which is different than doing the bearings in a D44.

On a D44, the bearings are pressed onto the shaft

On a D35, the bearings are not attatched to the shaft and are in the housing end.
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Unread 03-25-2011, 09:19 PM   #7
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So will I need a bearing puller too? I already have a slide hammer. I am going to try and pull it apart in the morning. If I have to I will post pics with questions on here. With the Jeep my goals is to learn as much as possible and do all the work I can myself.
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Unread 03-26-2011, 12:04 AM   #8
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I'm going to give you an industrial mechanic's secret to installing bearings and other press fit parts. It's called heat.....You can heat your bearing up to about 230 degrees without bluing it, and it will slip right on. Go about 300-350 for the retainer ring. I use a propane torch and a lazer heat reading gun, but you could also do it in an oven. Once the item it up to temp, waste no time sliding it in place, because the heat will rapidly be pulled out of if by your axle shaft....This method is widely used in industry, but hasn't seemed to make it to the automotive mechanics. I've installed bearings that cost $5000.00 + using this method, and I've done my axle shafts using this method....
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Unread 03-26-2011, 12:27 AM   #9
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You have D35, it couldn't be easier:

Quote:
Originally Posted by dragginwagon406 View Post
Changed the wheel bearings and axle seals.
Remove the seal in the same manner as the yoke.

The wheel bearing puller from Harbor Freight worked like a champ, a couple of quick hits with a slide hammer and the bearings slide right out.
http://www.harborfreight.com/cpi/cta...emnumber=92884


Although probably not built for installing the new bearings, the washer which supports the bearing when pulling works great for installing the bearings too.
Slide hammer available at Autozone for rent. http://www.autozone.com/in_our_store...ide_hammer.htm

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Unread 03-26-2011, 12:29 AM   #10
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Read between the photos...I used the puller to install the bearings as well. Tap lightly and squarely, the washer is strong enough.
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Unread 03-26-2011, 12:42 AM   #11
steelmillman
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Quote:
Originally Posted by dragginwagon406 View Post
Read between the photos...I used the puller to install the bearings. Tap lightly and squarely, the washer is stronger enough.
Wow, disregard my advice....I have a D44, it's apparently a lot different set up!
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Unread 03-26-2011, 09:11 AM   #12
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Originally Posted by BriansCJ View Post
On a D35, the bearings are not attatched to the shaft and are in the housing end.
While that might be true for the subject vehicle, it is not the case for all models of the Dana 35 axle.
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Unread 03-26-2011, 09:40 AM   #13
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Quote:
Originally Posted by tangofox007 View Post
While that might be true for the subject vehicle, it is not the case for all models of the Dana 35 axle.
Which TJ came with a 35 that doesn't have Torrington bearings identical to the pictures shown?
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Unread 03-26-2011, 09:43 AM   #14
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Quote:
Originally Posted by NextJeep View Post
So will I need a bearing puller too? I already have a slide hammer. I am going to try and pull it apart in the morning. If I have to I will post pics with questions on here. With the Jeep my goals is to learn as much as possible and do all the work I can myself.
I don't own a slide hammer or a bearing puller. When I swap 35 bearings out, I peel the cage out of the bearing, pick out all the rollers which just leaves the race in place.

Then I fire up the welder and run a pass in between the two little flanges on the race about an inch long on opposite sides. When the welds cool, they shrink, and the race falls out.
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Unread 03-26-2011, 09:44 AM   #15
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Quote:
Originally Posted by tangofox007 View Post
While that might be true for the subject vehicle, it is not the case for all models of the Dana 35 axle.
Not all D44 are non c-clip either but this is TJ Tech.
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