Rear end noise - JeepForum.com
 
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post #1 of 9 Old 11-16-2013, 02:43 PM Thread Starter
Cuzzzz
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Rear end noise

I have a 1994 wrangler with 33x12.50's and on my way out to work the other morning I was shifting gears and POW!! The rear end sounded like a gun went off and a bad vibration started. I was lucky enough to get it back home and I just pulled the rear cover and found what looks to be a 3/8 bolt head from the ring gear laying in the bottom of the housing. My question is would this be a easy fix or should I try to find a junked out jeep or purchase a new one?? Thanks.

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post #2 of 9 Old 11-16-2013, 03:01 PM
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Avidazen to another D35...

Most will recommend a ford 8.8 swap, as it would cost about the same or less to regear your current axle (parts + labor) to only end up with the same thing happening in a few years.

Find a used D35 or a ford explorer 8.8... IMO this is your best bet. Getting back on the road wont be as simple as replacing that ring bolt, as something caused it to blow in the first place.

A buddy of mine had this happen, he pulled out the loose metal and drove the d35 a few more months before it finally tanked out all the way. Your on borrowed time at this point.
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post #3 of 9 Old 11-16-2013, 03:17 PM Thread Starter
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Is that a direct bolt on axel or is there several modifications ?
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post #4 of 9 Old 11-16-2013, 03:33 PM
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Your driveshaft will bolt up, your tires will bolt up.

Modifications include welding on new spring perches and shock mounts. If you do not own a welder, perhaps you know someone w/a welder... If not, after gathering all required parts, you can have a local mechanic install the axle for you.

It may sound overwhelming, but honestly if you can't find a bolt on used dana 35, installing the 8.8 will still probably be cheaper than regearing your existing axle... Another downside to regearing your existing axle is the fact that it will eventually fail again (maybe a few months, maybe 20+ years, its a gamble).

Google "ford 8.8 swap into YJ" and you will find TONS of info on this swap.
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post #5 of 9 Old 11-16-2013, 03:45 PM Thread Starter
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Mine has 4:10 gears currently is the 8.9 the same ?
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post #6 of 9 Old 11-16-2013, 03:52 PM
Steve707
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You can get an 8.8 with open 4.10s or limited slip 4.10.
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post #7 of 9 Old 11-16-2013, 04:16 PM Thread Starter
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Thanks for the advice. I will start hunting online now.
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post #8 of 9 Old 11-16-2013, 04:50 PM
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Quote:
Originally Posted by Cuzzzz View Post
Thanks for the advice. I will start hunting online now.
You can determine if an 8.8 axle in the junkyard has 4.10 gears by the axle code. The axle code is located inside the driver's side door pannel on a sticker.

Code 42 is an open 4.10 as you see below. D2 has the limited slip.

Code Capacity Ratio
43 Open 3200 3.08
41 Open 3200 3.27
42 Open 4.10
46 Open 3.73
45 Open 3200 3.55
D4 Limited Slip 3200 3.73
D2 Limited Slip 4.10
L73 Limited Slip 3.73
L - Limited Slip Differential
C - Conventional Differential
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post #9 of 9 Old 11-16-2013, 09:57 PM
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8.8s with 4.10 gears are a little rare. You may want to do a wide area search. Most 8.8s I've found most come with 3.73s. If you have trouble finding the 8.8 with 4.10s and you're using the jeep as a daily driver I suggest putting in another D35. The exchange can be done in a few hours and a D35 shouldn't be more than $100. Good luck I blew my up my rear end and went to an 8.8.
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