Rear Differential Fluid Change at 65K Miles (Found metal)

[Burnt Money]

I change mine yearly. Not a hard date but sometime in the winter lol. So about every 20k miles. Sometimes might be sooner. I tow a lot and do long trips pulling the boat. As cheap and easy as it is to do I figure why not. Im at 87k miles with no issues.

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[Langwilliams]

I read on the bronco forum that the wranglers have the same basic rear axle. Some jeep guys in there that changed over or have both. They claim Dana recommends 75w140 weight gear oil. Ford and Jeep use the lighter fluid to try to squeeze every last MPG out of them. I might change to 75w110 next time I change.

I'd be digging around inside looking for a gap missing that piece.

 

[xplorre]

My shop used a Yukon rebuild kit and (I believe) 75-140 conventional

 

[carbobaggins]

I recently did a rear diff fluid change on my 2020 Ford Ranger XLT 2WD and found this metal part when I took out the oil.

I was wondering if anyone knew what it was and if it should be something significant I should get looked at.

The shop looked at it and found it was a broken piece of a shim inside. No big deal// No issue or need to replace and all internal parts are great.

 

[got3fords]

The shop looked at it and found it was a broken piece of a shim inside. No big deal// No issue or need to replace and all internal parts are great.

Good thing the magnet caught it before it tore shit up.

 

[Andrew27]

I read on the bronco forum that the wranglers have the same basic rear axle. Some jeep guys in there that changed over or have both. They claim Dana recommends 75w140 weight gear oil. Ford and Jeep use the lighter fluid to try to squeeze every last MPG out of them. I might change to 75w110 next time I change.

I'd be digging around inside looking for a gap missing that piece.

I switched over to 75w140 on my 2023 in the front and the rear and have seen no negatives in doing so. I’m hoping it will provide better protection long term.

 

[Stevedbvik1]

Why? thats bananas! ?

Jeep with Dana 44 spells out 12000 if frequent off road, towing or water crossings. 24000 for all others.

The shop looked at it and found it was a broken piece of a shim inside. No big deal// No issue or need to replace and all internal parts are great.

If it’s whats circled in red then that’s a side gear thrust washer not a shim. And kinda important.

 

[ctechbob]

Here's 53,000k worth of material on a drain plug in my 2WD truck that has 8800 miles of towing the camper.

I was going to do 30k changes and managed to forget, but I think I'll just put it at 50k and be done with it. And this is with 75W90 and mostly in the south where it is usually hot as hell when we're towing.

 

[Stevedbvik1]

Here's 53,000k worth of material on a drain plug in my 2WD truck that has 8800 miles of towing the camper.

I was going to do 30k changes and managed to forget, but I think I'll just put it at 50k and be done with it. And this is with 75W90 and mostly in the south where it is usually hot as hell when we're towing.

Mine has never looked that clean. Was filthy at 4k . Cleaned and replaced fluid. At 20K now and been watching it every 5k. 4wd with a locker, heavy towing, moderate off roading. Pic is from around 16K.

 

[ctechbob]

I did fluid at 1000, and then 12,000. Whether that made a difference or not, who knows. I know I'm happy with where its at though. Not considering a new cover or any kind of different fluid. Going to let it roll another 50k and change it.

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