Drive shaft diff bearing!
- Thread starter Brawkzlit
- Start date
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But I am assuming that you are talking about the pinion bearing on the rear diff ???
Correct ?
How do you know it is " trashed " ??
What is it doing exactly?
But I am assuming that you are talking about the pinion bearing on the rear diff ???
Correct ?
How do you know it is " trashed " ??
What is it doing exactly?
I can see the bearing is damaged badly, and I found a leak in on one of the pinion seals and when I drained the diff it barley had any fluid in it and I think that was the problem, I have the diff carrier out to get to it. Now I’m wondering if I have to measure backlash because I took it out if that’s the case imma need to find someone who know there stuff lol.
I have the bearing out
sleazy rider
Retired moto tech and gearhead
Yeah, you’ll need to at least check the backlash before putting it all together.
If its been leaking, running low on fluid I would go all out and replace all bearings / seals etc in the whole diff and then when putting back together check all gears real close for unusual wear
I have to agree with tommudd. at the VERY LEAST, very closely inspect every single bearing in the differential, including the outboard wheel bearings. if its been running long without lube, those bearings have had no lube for a LONG TIME. honestly, you will most likely have to replace all of the bearings. the one single bearing that gets the most lube is the front pinion bearing. so unless you snagged something that ripped out the seal, the rest have gotten starved for oil. the real question here, is for how long.
all The bearings look good from what I can see, spin good like I cleaned everything up nice. I have a couple more questions too do you guys know the pinion bearing pre load, and the other question would be if I didn’t disassemble the carrier but just took it out, will I have to set the backlash or should it already be set? Being that I didn’t disassemble it or anything
sleazy rider
Retired moto tech and gearhead
the above link IS your life line! the answer is on page 145. but before you go there, there is one CRITACLE question, did you replace the collapsible spacer (sometimes called a crush sleeve) between the two bearings on the pinion gear? it is IMPARATIVE that you do! / as far as adjusting backlash, every bevel gear set i have worked on requires it. its not a big deal to do. the only "special tool" you will need is a magnetic base and dial indicator. its simply a matter of moving the ring gear closer or further away to get the backlash correct. i have not done anything to my rear axle, so i don't know for certain if they use shims to adjust the lash, or if it has threaded adjusters. every Mopar rear axle that i HAVE worked on, has had the treaded adjusters.
sleazy rider
Retired moto tech and gearhead
Yup, I don't have the tools or training in my experience to work on ring/pinion setup, so I pay an expert. It's strictly peace of mind and a good night's sleep.
JeepJeepster
Full Access Member
What diff are you working on?
He's working on a 8.25 rear
Yes he is working on a 2006 corporate 8.25 & only use Dino (not synthetic gear lube) Lucas heavy duty 85w-140 is great stuff.
I inspect for leaks & remove my fill plug every 6 months, to make sure it's topped up.
I inspect for leaks & remove my fill plug every 6 months, to make sure it's topped up.
Big Al
Let's get Cracken
Also, Is it a trac loc limited slip differentials
Trac-Loc was an available option up to 2005 I believe.
Owners can go online to view options (trac-loc) from a free online build sheet: https://fcacommunity.force.com/RAM/s/equipment-listing
Trac-loc does require a 4 oz bottle of Mopar Limited slip additive...add it to Dino gear lube.
Owners can go online to view options (trac-loc) from a free online build sheet: https://fcacommunity.force.com/RAM/s/equipment-listing
Trac-loc does require a 4 oz bottle of Mopar Limited slip additive...add it to Dino gear lube.
well, isn't he lucky!
Big Al
Let's get Cracken
Whale oil to Dino oil, friend at work said that is what the additive is.
Want to know what actually the composition of Mopar Limited slip additive is ?? Current part # from my bottle is 04318060AD
http://www.weirparts.com/msds/Chrysler2015/MoparLimitedSlipAdditive.pdf
http://www.weirparts.com/msds/Chrysler2015/MoparLimitedSlipAdditive.pdf
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