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Bad Rear Differential

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Old 06-16-2018, 02:40 AM
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Default Bad Rear Differential

Had a noise coming from the truck sounded like it was coming from the rear. I had to change both differential fluids so I figured I'd start there. Did the rear one first and was insurrections everything and I found this




So now I have a few options.
Option 1: Drive it like this and wait for it to explode
Option 2: Replace just the ring gear
Option 3: Regear to 4.10 or 4.56 (Take it to a shop, do it myself (have done one before but it wasn't a Chrysler rear end, or get a junkyard axle which also goes into option 4)
Option 4: A sorta local junkyard for my factory axles, Dana 60/70 for $300.
What do you guys think she isn't too bad so I should get another 100,000 miles out of her I'm just curious as to when made it do that.
 
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Old 06-16-2018, 07:39 AM
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If there's no other damage so just replace the gears. If you change the ratio you will have to do the front axle also or not use the 4WD.
 
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Old 06-16-2018, 09:58 AM
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Ring and pinion are a matched set. If you change just the ring gear, it is going to howl. Maybe you need to come see me, and get your 'new' axles.
 
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Old 06-16-2018, 01:36 PM
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Originally Posted by Moparite
If there's no other damage so just replace the gears. If you change the ratio you will have to do the front axle also or not use the 4WD.
None that I see, damage that is. And I knew I had to do the front.
Originally Posted by HeyYou
Ring and pinion are a matched set. If you change just the ring gear, it is going to howl. Maybe you need to come see me, and get your 'new' axles.
Believe me I'm trying but the universe is fighting back hard lol
 
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Old 06-16-2018, 10:25 PM
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Clean the housing out and run it until you get the other truck from HeyYou
 
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Old 06-17-2018, 01:49 PM
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Just a little update for you guys. That wasn't the noise I was hearing. I have to figure ito what that nnois is.
 
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Old 06-17-2018, 01:54 PM
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That sucks, I hope you find it, and it's nothing serious.
 
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Old 06-17-2018, 09:47 PM
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Originally Posted by 2bit
That sucks, I hope you find it, and it's nothing serious.
Its definitely coming from the front. Sounds almost like a rubber bushing that is dry. I forgot to lube the right caliper so it might be that
 
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Old 06-17-2018, 10:07 PM
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When is it making the noise?
 
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Old 06-18-2018, 01:47 AM
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Originally Posted by racefan41
When is it making the noise?
Anytime you hit the gas from a standstill and only when the vehicle has been driven. I eliminated the diff by 1 doing it for about 65feet (diff would be part the broken tooth) and to by having my Mrs do it and me outside.
 


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