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Old 10-08-2011, 12:39 AM
Lyoooha Lyoooha is offline
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Question The rear blew right on the highway!!!!! 2005 ram 1500 rear wheel drive

I was driving easy when I felt a jerk from the back and started hearing all sorts of metal grinding noises so I pull over and immediately realize that I have smoke and oil coming out of rear differential. The oil
Has been leaking for 2 years and now its the end because I never filled it up.

I took the cap off and the damage appears to be where the spindle joins or comes into the rear differential. This is the forward/front area of the differential that seemed to be leaking and that is where the revolving shaft comes into the differential. The gear that connects to the shaft seems to by just laying there dangling around from left to right. Looks like to bearing that suppprted it completely fell apart. The gears themselves lool ok since I pulled over quickly and did not drive it as soon as this occured.

Please tell me is there anywhere a write up to fix this or maybe a diagram of diassembly?

Did anyone repair theirs? Repace with a complete unit from a junkyard?

Some one duggested buying gears online some heavy duty ones -something-gears. Cant remember exact name


Any help would be greatly appreciated

Best regards.

Alex
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Old 10-08-2011, 01:37 AM
DuckandDodge05 DuckandDodge05 is offline
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If part of its bad, then more than likely its all bad. No gear oil is harsh on gears. When it gets low, the gears, and the bearing wears out and you'll have metal shaving like things in your diff and thats NO good. I'd just replace it altogether if I were you, you can try and just rebuild it, but I'd get new parts instead of used ones. Not sure of your truck is stock height or has bigger tires, but if you do decide to replace everything, look at Yukon gears. I have yukon 4:56 gears in my truck and they are by far the best mod I've ever done to it. They're heavy duty and are deffinitely worth the money I paid for them! But make sure you fix that leak in your differential as well or you'll be replacing gears frequently. No harm in beefin up your differential though!
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Old 10-08-2011, 11:42 AM
Lyoooha Lyoooha is offline
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I got the videos posted:

From the back:
Side shot (passenger):


I want to replace the gears alltogether, but does the actual differential box may need to be replaced too? I am worried the heat may have destroyed not only the bearing that holds the shaft spider gear, but the entire housing part of the differential box too, where the shaft comes into the box. Could that be true?

I am certainly willing to shop at yukon gears, but do you think all I will be needing is the gear assembly with the front bearing or there is much more to this?

Thank you so much.
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Old 10-08-2011, 12:36 PM
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You will be able to see if your housing is damaged once you disassemble it. I would replace all internal components and bearings and while you're at it why not throw in limited slip.
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Old 10-08-2011, 01:11 PM
DuckandDodge05 DuckandDodge05 is offline
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I would replace everything in your diff, and replace the u joint. The driveshaft shouldnt have that much play in it, you should be able to turn it a little, but not rock it like in the video. If you want to know how to replace it yourself, go to youtube and find Motorztv and type in differential, or gears on f150. Chris duke does an awesome job on showi hownto repkace it. And expkains what everything is.
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Old 10-09-2011, 06:04 PM
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I just have one question. Why on earth did you allow it to leak out for 2 years? You had to of known this would happen at some point.

In the past when I have had rear end issues I have found it much cheaper to look for a truck that is being parted out or hit the wrecking yards and just swap the entire axle.

There's a lot involved in getting the gears set up properly, If you don't get it right then you'll be going through it again.
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Old 10-09-2011, 06:14 PM
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I agree...this requires a complete rebuild with new gears, new bearings, new bearing races, possibly new axles if the splined end was damaged.

Not a job for someone who's never done it before. This requires a qualified shop and mechanic.
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Old 10-09-2011, 07:16 PM
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I blew the rear apart in an old truck of mine. I found the easiest and fastest fix was go by a complete rearend from a junkyard. It only cost a couple hundred bucks and the swap took about two hours.
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Old 10-09-2011, 08:13 PM
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These vids MAY help, personally i would take it to a shop that specializes in rear ends, then i would have a warranty of some sort

Ford rear end R & R, pretty much the same as ours


pinion seal replacement






rear axle fix
part 1
part 2
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Old 10-10-2011, 11:35 AM
Lyoooha Lyoooha is offline
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Gentlemen,

this is all so much useful info, I truly appreciate all of it

my next step is to take apart the front of the diff., where the u joint is, I will disassemble the front and see if the box itself will not leak, then I will be able to make a decision to replace the entire rear or fix the insides.

Ill keep everybody posted with further info and videos,you guys are helping me a great deal.

I appreciate your help very very much

thank you all!
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