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Old 09-24-2010, 04:41 PM   #1
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Dodge Rear-end Question

My 06 Dodge Cummings 2WD is in the shop for the following problem. The ring and pinon gear bearings have gone out. Have been noticing a whine for some time but did not know where it was coming from in the vehicle. I have 91,000 miles and due to my over sight, the rear-end had never been serviced. The Dodge is 6000 miles over the extended warranty.

I do an average of 10,000 miles towing each year. I have had other trucks which I have driven over 180,000 without servicing the rear-end and never experienced a failure.

Due to my dumb mistake I'm having to pay several thousand dollars for the repair. I have talked with a couple of Dodge mechanic's who told me that servicing the rear-end had no bearing on the failure. They had seen similar failures at 40,000 miles.

I am surprised by the failure since I had never a similar one before. Crysler was really looking for a loop hole on this one and found it. Wondering if anyone else has had the same?
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Old 09-24-2010, 05:08 PM   #2
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Setting up a rear end is no shade tree mechanic job. Precision matters greatly (to the point I'd rather have a HIGHLY recommended shop do the work; or, a junkyard axle, my default choice for DIY).

And, so long as there have been axles of this sort, there have been premature failures. I wholly agree that the AAM Axle in your truck should have lasted the life of the truck (with the possible exception of the anti-slip).

Discuss with them the possible causes as a mis-mounted axle (spring attachment welds) or "bent" driveshaft, etc, all need to be inspected as major/minor contributing causes. Right down to motor/transmission mounts and u-joints, all should be inspected for increased wear as well. (While not likely, it's good time -- up on the rack -- to have a long look).

I would post this question on one of the CTD boards for more insight.

2WD & 6-speed: Universal Joints, Driveshaft, Vibrations - Dodge Diesel - Diesel Truck Resource Forums

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Old 09-24-2010, 05:33 PM   #3
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Whats the diff service interval in your owners manual?
It isnt 100k
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Old 09-24-2010, 05:40 PM   #4
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Don't beat yourself up to bad. My 07 F-150's rear end dumped at 68000 miles and had not pulled anything except a 4500 lb SOB for less than 1000 miles when it had only 34,000 miles. It is a fleet vehicle that is serviced according to the book. Some of us just have bad luck I guess.
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Old 09-24-2010, 05:55 PM   #5
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Bearings are bearings.

Hi, it's not your fault or Chrysler's fault. A bearing is a bearing; It could have been a wheel bearing, an axle bearing, a gear box bearing, or any other bearing on that truck or your trailer for that fact. The warranty has nothing to do with it. Pieces fail, and that's just the facts of life. Consider yourself way ahead of the game because your other vehicles escaped this failure.


An other way to look at it is, that maybe a friend or neighbor had to have a hip or knee replacement and you didn't. In that case I would gladly accept a bearing failure instead.
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Old 09-24-2010, 06:40 PM   #6
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Or it could be poorly made parts or poor design or poor installation. I now have 160,000 miles on my '02 Toyota Tundra and about 90,000 of those miles pulling my '97 Excella 25. You know what I'm gonna' say next......not a single rear end problem or failure. Add to that, I've been over many many mountain passes higher than 8500'. Yep, I've been over the million dollar highway between Ouray and Silverton. What is it, something like 11,300 feet high. Yep, I've been over WOLF Creek Pass, etc. etc.. The most difficult was that one high pass between Rock Springs and Grand Junction. Even my avitar pic was taken this spring at Yellowstone via Jackson. Not a single rearend problem. It would appear that the bottom 10% of the class had to find jobs somewhere and it turned out to be Dodge and Ford.
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Old 09-24-2010, 07:21 PM   #7
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Bob,

I follow one of the major Dodge forums and I don't remember seeing a bunch of posts on axel issues, but as with any machine of this nature issues can develop.

But didn't Toyota have a small problem with gas pedals recently?

I'd prefer to hear reports on the findings of the tear down and if there are any factors that as were earlier pointed out contributed to the problem on this truck.

Several aftermarket companies offer oversize diff covers that claim a reduction in temps and an increase in lube volume to help with tow rigs. Some even come with drain plugs and dipsticks to allow for easy checking and changes.

I own 3 Dodge P/U's right now and I would not look at another brand if I needed to replace MY rig.

gaylejoe, good luck with your truck.
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Old 09-24-2010, 10:56 PM   #8
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Quote:
Originally Posted by Bob Thompson View Post
Or it could be poorly made parts or poor design or poor installation. I now have 160,000 miles on my '02 Toyota Tundra and about 90,000 of those miles pulling my '97 Excella 25. You know what I'm gonna' say next......not a single rear end problem or failure. Add to that, I've been over many many mountain passes higher than 8500'. Yep, I've been over the million dollar highway between Ouray and Silverton. What is it, something like 11,300 feet high. Yep, I've been over WOLF Creek Pass, etc. etc.. The most difficult was that one high pass between Rock Springs and Grand Junction. Even my avitar pic was taken this spring at Yellowstone via Jackson. Not a single rearend problem. It would appear that the bottom 10% of the class had to find jobs somewhere and it turned out to be Dodge and Ford.
At the Ford Arizona Proving ground in Yucca, Az we had a Toyota pickemup shuck the ring and pinion whilst on trailer tow duty. Was about the 30K mile mark.This was a 2005 model pickemup truck.
Adios,John
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Old 09-24-2010, 11:10 PM   #9
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Hey, Be nice here. Every truck will have problems. maybe some more than others maybe not. But all have a few lemons. We don't need to start a bashing session here. It's been done before.

As the saying goes SH*T happens. Now matter what you do.
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Old 09-24-2010, 11:28 PM   #10
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Quote:
Originally Posted by Bob Thompson View Post
Or it could be poorly made parts or poor design or poor installation. I now have 160,000 miles on my '02 Toyota Tundra and about 90,000 of those miles pulling my '97 Excella 25. You know what I'm gonna' say next......not a single rear end problem or failure. Add to that, I've been over many many mountain passes higher than 8500'. Yep, I've been over the million dollar highway between Ouray and Silverton. What is it, something like 11,300 feet high. Yep, I've been over WOLF Creek Pass, etc. etc.. The most difficult was that one high pass between Rock Springs and Grand Junction. Even my avitar pic was taken this spring at Yellowstone via Jackson. Not a single rearend problem. It would appear that the bottom 10% of the class had to find jobs somewhere and it turned out to be Dodge and Ford.
Quote:
Originally Posted by purman View Post
Hey, Be nice here. Every truck will have problems. maybe some more than others maybe not. But all have a few lemons. We don't need to start a bashing session here. It's been done before.

As the saying goes SH*T happens. Now matter what you do.
Hi, I think the bashing or bragging started here. [post # 6]
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Old 09-24-2010, 11:34 PM   #11
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Is it possible to tear out a ring and pinion at full power tests pulling heavy loads, etc. Sure! You can do it with any brand. However, the OP did not suggest he was driving in any abnormal style. His post suggests he was driving in normal every day mode, well within normal use. For his Dodge to develop problems in this mode has prompted the OP's concern. Can Dodge do a better job building their Rams.....Sure! If they don't, Dodge's sales and the jobs behind them will go to people who can get the job done. It would be a shame because they have such a fine diesel in the Cummins.
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Old 09-24-2010, 11:38 PM   #12
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Is it possible to tear out a ring and pinion at full power tests pulling heavy loads, etc. Sure! You can do it with any brand. However, the OP did not suggest he was driving in any abnormal style. His post suggests he was driving in normal every day mode, well within normal use. For his Dodge to develop problems in this mode has prompted the OP's concern. Can Dodge do a better job building their Rams.....Sure! If they don't, Dodge's sales and the jobs behind them will go to people who can get the job done. It would be a shame because they have such a fine diesel in the Cummins.
Agreed.......But the Ford diffs didn't fail in the same exact test! Only the Toyota! Adios,John
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Old 09-24-2010, 11:48 PM   #13
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I'd bet Toyota is busting their hump trying to figure out what happened and how to fix it, just like the effort to find out why the gas pedals stuck, etc. How many recent news flashes have you seen about Toyota vehicles having rapid accelerations? So....what do you think, is Dodge busting their hump trying to figure out why this guy's rear end went south?

I should add, some of my friends drive Dodges, one of which has spent more time in the shop than on the road. He just can't seem to find value in his choice.
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Old 09-25-2010, 07:28 AM   #14
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I think that the driveshaft is the fuse, it will twist in half before the rearend grenades.
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