Changing Rear Differential Fluid?

[TK666]

Good morning.

im planning on changing the fluid in the rear differential.

I have all the Amsoil fluids to do the replacement.

I’ve watched a few videos on YouTube and talked with a few others and figured I’d ask here as well.

When I have the rear open and do a visual inspection, I’ll wipe all the oil out that is sitting and wipe off parts when inspecting them.

I’ve seen where they sprayed the inside with brake cleaner on 1 or 2 videos, and one guy said he did that.

Others never said they did. I didn’t bring it up; I was curious about what they did.

Any thoughts?

Overkill?

I’m also changing the cover to one with a drain plug to make it easier for future changes, which I guess I’d remove at 2 or 3 change intervals for visual inspection.

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[Channelbouy]

This is also on my “To do soon” list.

I have heard/read the same thing about spraying with brake Kleen and draining the fluid.

The only thing I am unsure about is if that stuff is good for any seals it might come in contact with.

I don’t have any experience with changing the fluid so hopefully someone with more knowledge will comment.

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[watersupply189]

I personally drain, wipe out what I can, and visually inspect, then refill.

Brake cleaner won’t hurt a thing besides seals so use caution if you go that route.

Are you planning to do the front differential also?

Every RAM truck I’ve owned has water inside, and I never even drive in deep water.


2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

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[TK666]

Yes, I’ll be doing the front as well.

I will skip the brake cleaner.

I didn’t think it necessary, but getting other opinions never hurts.

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[AK Bob]

I agree; a quick wipe-down with a lint-free rag should suffice for your visual inspection.

If you need brake cleaner, use sparingly to avoid the seals.

Once you install the cover with a drain plug, I will open it up and inspect every other fluid change.

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