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Old 07-17-2008, 18:25   #1 (permalink)
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'01 Explorer Rear Diff Rebuild

Explorer's got 98,000 miles on it and rear axle is making noise. Last night I did the easy stuff and changed out the axle bearings - no change in noise. Today I removed the front drive shaft, jacked up the rear and ran the truck at ~40mph. I went under with a mechanic's stethascope & it sounds like the front pinion bearing is noisy.
I have experience with class 8 truck repairs (trans & rears), but I've never rebuilt a small vehicle differential. Has anyone rebuilt one of these rears & are there any pitfalls to look out for? It's not a posi rear and it looks very simple, but I've eaten those words before!
Any insight into this job would be welcome.
Thanks,
Corky
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Old 07-19-2008, 07:49   #2 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

Well, I guess I'll dive into this project. I ordered a bearing & seal kit (<$100). I plan on reusing all gears & simply replace bearings. If I screw it up, I only got $100 bucks invested & a lot of my time. I'll take some pictures along the way if anyone is interested in tackling the project on their own. If the site let's me upload pix (so far no success in uplaoding Pix).
Corky
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Old 07-19-2008, 13:32   #3 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

I would be interested in seeing pic's of the rebuild.

You can go to Image hosting, free photo sharing & video sharing at Photobucket and create a free account, upload your photos and include them in your post here by entering the direct link in the "insert image" option.
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Old 07-19-2008, 17:39   #4 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

Thanks for the info. I put a few pictures of the wheel bearing change on Photo Bucket with the link below. Let me know if it works - first time trying this.

BCork - Photobucket - Video and Image Hosting

Thanks,
Corky
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Old 07-19-2008, 19:20   #5 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

The link you posted works fine & is probably best doing it that way when posting mutiple photos.

Here's how to post a photo to your message.

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Old 07-19-2008, 19:34   #6 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

Thanks for the lesson - now I understand.
I appreciate you taking the time to show me that!

Corky
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Old 07-22-2008, 07:22   #7 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

I got the parts & I plan on pulling the truck out of service the middle of August. I will take beaucoup pictures and post a link when I'm done. I will also follow up to let you guys know whether the job was a success or whether I will be junkyard diving for a donor rear.
Thanks,
Corky
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Old 12-09-2008, 18:46   #8 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

Hey jwko,
Time sure flies. I thought I would be rebuilding this differential in August, but I am just getting to it. If you are still interested in a few pictures of the rebuild let me know. I found the inner pinion bearing's inner race suffering from a severe case of metal fatigue. I got a new bearing pressed on today & will reinstall the whole mess this weekend. It's hard to believe that one bearing can make such a racket going down the road.
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Old 12-09-2008, 19:47   #9 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

Quote:
Originally Posted by Corky View Post
Hey jwko,
Time sure flies. I thought I would be rebuilding this differential in August, but I am just getting to it. If you are still interested in a few pictures of the rebuild let me know. I found the inner pinion bearing's inner race suffering from a severe case of metal fatigue. I got a new bearing pressed on today & will reinstall the whole mess this weekend. It's hard to believe that one bearing can make such a racket going down the road.
Corky
I'd love to see the pics.
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Old 12-10-2008, 19:09   #10 (permalink)
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Re: '01 Explorer Rear Diff Rebuild

Here are a bunch of pix on where the job stands - there is no order to the pix. The bearing race with metal fatigue is a little fuzzy - but, look closely at it. Also, the front pinion bearing race has some rust on it - water got in there at some point.

BCork - Photobucket - Video and Image Hosting

Hope this works!
Corky
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