Got a new transfer case, but it's still shaky.

[michael_colemans]

Greetings, all;

I am receiving conflicting information from both my shop and the warranty provider, so I am hoping to hear some seasoned opinions on the matter.


The 2018 Range Rover with 65K miles is a supercharged V8 LWB.
First printing:

Turning with moderate acceleration causes a noticeable judder or shudder, particularly when starting from a stop or at low speeds.
Rare instances of popping or clicking
I thought the problem was with the drivetrain and not the engine.
Problematic consistency and lack of repeatability.

Progress made thus far:

The problem was identified by Land Rover as the transfer case.
Under the warranty, a rebuilt TS was used to replace the transfer case.
The problem persists even after the replacement.

Therefore, now either:

Something else in the drivetrain is producing the same behavior as the transfer case, or it wasn't the fundamental reason.


Here are my inquiries for the team:

Is this the first time someone has experienced popping or juddering that wasn't related to the transfer case?
Is it possible that this is closer to:
Mounts and bushings for the rear differential?
vehicle axles (particularly when laden)?
Is drivetrain misalignment caused by control arms or suspension?
The engine mounts and all of the bushings are worn out, and the car has 60,000 miles on it.

My current line of inquiry is:

So I don't waste time going after the wrong part, where should the store look next?

I would be very grateful for any advice, particularly from anyone who have dealt with driveline problems like this before.

I would be more than happy to supply any facts, images, or videos to assist narrow it down.

[luna_hugheso]

Changing the fluid in the rear differential is an easy and inexpensive option to consider.

A typical remedy that came up when I was looking into my symptoms was the limited slip clutches, which made me tremble. I had the same problem and solved it by changing the fluids in the front, back, and transmission.

[michael_colemans]

The fact that it was rectified is great. We have spent months trying to find a solution, but nobody has been able to do so with any certainty. With the glittering fluid in the transfer case, they were quite suspicious.

I should mention that I had the fluids in the rear differential updated. They didn't specify what kind of oil to use, but I'm still thinking about doing a double flush. Even after draining and refilling once, the loudness persisted.

[leo.berglf]

It seems to be more connected to the axle and CV joint. If the CV joint pops and clicks when you turn, it's probably about to give out and bind. This has happened to other vehicles, but not my Rover. An object of interest. Hope everything works out!

[leo.berglf]

I nearly forgot to mention that my Rover was bought from a good friend of mine. Just before he gave it to me, he had it checked out at the dealer for what turned out to be vibrations caused by improper engine and gearbox mounts. The vehicle had around 50,000 miles when they were changed. I keep thinking the CV joints are the culprits.

[michael_colemans]

For those who are still following: What I've gathered is that rear e-diff clutch chatter is a typical cause of this judder (pulling away and turning), and that changing the clutch fluid and readjusting the calibration usually takes care of it. As a preliminary step in diagnosing the problem, temporarily disconnecting the diff connector was recommended.

The judder seems to have disappeared after I tried that. After a few more drives to confirm, I will proceed with a software update and rear diff double flush if it holds. Some others have commented that this is an issue for them as well, and that flushing helps, but it doesn't fix it entirely.