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Discussion Starter #1
Hi All

Am a newbie here and was hoping someone could help me with something for my Match 2015, RR Vogue SE Diesel. The car just under 30k miles on it and is used in London with its stop start traffic and very occasionally on the motorway. All services since brand new are main dealer.

I have two issues and am not sure if they are related to reach other or not:-

1) This is a long standing problem which the main dealer in London I told about last service but they could never resolve the issue or even replicate it so now I find myself almost 10 months later and out of warranty even though I reported it when the car was in warranty at my last service in March last year 2018.
So whenever I turn left (not a sharp left but a wide sweeping left) from a standing start I hear a rapid knocking noise/juddering (say 2-3 taps taps a second) from what appears to come from the back passenger side (more left I think) for about 1-2 seconds max whilst turning left. This doesn't happen often when turning left while still moving but still occasionally I do hear it. Ive taken it into kwik fit too once the main dealer couldn't help me and they also couldn't find anything wrong with the wheel.

2) I have noticed a vibration coming from the floor and into the seat of the Range Rover driver side when driving above 45 mph but no vibration on steering wheel and no matter if I brake or not its there at any speed above 45mph and gets progressively worse the faster I go.

I took the car into a local garage for it MOT today (albeit these guys are not experts in RR) and told them about problem 1 and 2 above. They drove the car as a test drive and noticed the left turn issue and also the vibration issue above 45 mph. They then put it on a ramp and looked underneath it at the two arms connected to each front wheel and also looked for any obvious signs of something loose or worn or damager but could not find anything. He said it MIGHT be bushes but also said he cannot tell for sure.

Any ideas on 1 and 2 and if they are related and also costs to fix the issues?

Thanks
 

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#1 sounds similar to a known TSB, when your transfer case fluid needs to be replaced. Please tell your dealer to look up LTB00906NAS5 as a reference (since it's a bulletin for North America). If this is indeed the issue, I'd argue hard for a warranty job since you've been complaining about it for a while.

Not sure if as time goes, your #2 develops itself as a result of #1, I wouldn't be surprised - but I don't think it came up here so not sure about that one.

Here's a thread from the L494 forum (this is 100% identical across the sport and the full size) that might help you further elaborate the symptoms:
https://www.rangerovers.net/forum/43-range-rover-sport-ii-l494/327156-differential-chatter-when-turning-accelerating.html
 

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Discussion Starter #3
Thanks for the reply. So just for my knowledge why would this fluid cause this issue? One point to note is that the turning left issue was there for a long time so the new vibration issue how would that be related to the vibration from the floor?
 

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it's just an assumption: one issue, especially when it's a long-standing one, might contribute to the development of further problems. if the assumption is correct, your dealer can sure explain what was going on exactly.
 

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This issue sounds like a limited slip or locking diff issue. make sure that the fluid, if changed, uses the correct amount of the correct additive. Easy to overlook during a service. Ray
 

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seeing that it happens when only turning left and is now causing a bad vibration it sounds more like a left front axle CV joint. noise begins to happen when grease leaks out and dirt gets in and the bearing begin to fail. The vibrations that you are feeling could be the bearing really getting loose.

Just an idea take a look at the axles try moving them with your hand to see if there is any play.
 
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