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Wobbly rear end (lateral suspension issue)

31K views 62 replies 16 participants last post by  RxRay  
#1 ·
Moving this discussion to it's own thread.

Who is experiencing this? So far I have (other than myself):

RaVoIVoR
F-Pace S
jinjin
MBadger77
Pos.k
jonty1265

For those who've not followed other discussions in various posts the problem is best described and a significant lateral (side to side) movement of the rear end of the car. The front feels tight and stable, and the rear feels suitably firm in a vertical (up and down) direction, but unstable in a lateral direction. A succession of asymmetric movements of the rear wheels sets it off, such as speed humps at an angle, or a series of undulations. It's worse at slowish speeds (5-20mph) and the movement is quite pronounced.

I suspect it's only those of us who live in very urban situations that notice it. For example there isn't a street within 5 miles of my dealer in Coulsdon that sets it off, however there are 10-15 streets around where I live in Wimbledon that do. I've even changed my normal route to bypass such streets.

I was in Brighton at the weekend, and found a few streets there too. If I didn't live in a very urban environment and only encountered it occasionally I would easily shrug it off. It feels very 'out of character' for the car that most of the time has a very firm feel. Engaging Dynamic suspensions helps quite a bit (but doesn't eliminate it) but the whole point of a "normal" suspension setting is to improve comfort in more urban surroundings.

My dealer is shrugging their shoulders, but trying to help. They are organising a technical to home to my home for further investigation. I am convinced it did not occur on the first two hours I had in the original demonstrators, but they have since lent me their new demonstrator and that's identical, so I don't believe I have a fault as such, but I do think something has changed in the way the suspension is set up.

If you are experiencing this, could you PM me, as my dealer has told me the best approach is to get enough people to ask their service department raise a "quality report" with JLR.

Thanks all

JLR#5
 
#27 ·
JLRnumber5 said:
This may well turn out to be a 'characteristic' of the car .. in which case I bought the wrong car. As I said in a previous post if I lived in a non-urban area I'd probably never experience it.
I'm actually prepared to agree with that, once I have excluded any possible mechanical fault then fine, I'll live with it. Every car I've had as some sort of quirk, if this one is a "wobble/bounce/vagueness" fine that's fine I can cope. Just eliminate the possibility of fault (that could become dangerous) first and I'll get over it!
 
#28 ·
RaVolVoR said:
JLRnumber5 said:
This may well turn out to be a 'characteristic' of the car .. in which case I bought the wrong car. As I said in a previous post if I lived in a non-urban area I'd probably never experience it.
I'm actually prepared to agree with that, once I have excluded any possible mechanical fault then fine, I'll live with it. Every car I've had as some sort of quirk, if this one is a "wobble/bounce/vagueness" fine that's fine I can cope. Just eliminate the possibility of fault (that could become dangerous) first and I'll get over it!
What I'm thinking is its not a fault but a issue with the maths and calculations that run the suspension. If perhaps we can highlight this as a potential issue in terms of it not performing as they had ideally intended then it can be updated and adjusted in the future.

If nobody knows about it from Jag nothing will happen. If after enough people complain and they see it and say thats absolutely how it should be then fine we have a car that perhaps isn't ideal and we can live with it or sell it.
I just want to determine what the status really is and should be.
 
#31 ·
No one? Oh well phoned the dealer to say that after all the work they have done, my car is still not riding particularly well, I can cope with windscreen washer issues (they will get fixed but they need new washer jets that point the right way!!!!) and funnily enough the ICTPro issues, but not this really uncomfortable ride! Four up over the weekend with luggage and it still manages to throw passengers left/right, its very strange, most cars behave better when loaded!
 
#32 ·
^ Hi Rav

I found a few road tests and reviews now that mention this .. coupled with similar complaints on the US forum and the 8 or 9 of us on here makes me think it's a 'characteristic' of the car. Now that I am aware of it, I try to 'drive around' it, mainly by anticipating the type of surface likely to throw it off and either avoiding it (as the case with speed humps in roads near where I live) or using dynamic mode (which reduces the problem) .. occasionally (as happened this weekend) you'll find a road surface that looks smooth but really sets the wobble off. What is very strange is that I can travel the same stretch of road and 9/10 it happens, but then on the odd occasion it doesn't. Which makes me think it's software/adaptive suspension related.

In any case I've decided to live with it. If I look at the 2700 miles I have covered I reckon 2650 of them have been awe inspiring and 50 down right dreadful. I can live with the 2% to have the 98%.
 
#33 ·
given I cant pin it down to happening in a certain scenario, I'm putting it down to a 'characteristic' of the car too.. if it really annoys me I'll bring it up with the dealer again but comfortable they did a thorough inspection when it was in for its 2.5 upgrade.
 
#35 ·
was there on Sunday for the Wimbledon Winter Wonderland! I do need an excuse to visit my favourite Italian (la Nonna) again though!
 
#36 ·
Well Tuesday morning the dealers "main man" from service and I are going to try to do a back to back two cars same road.. I will accept it as a characteristic, I just want to be sure that is nothing else first! I'll let you guys know the outcome!
 
#37 ·
interested in the outcome, if any of the service folk at your dealers have a view I'd be interested to know the outcome!
 
#40 ·
not been in a few years since I moved away but its been great everytime I went before then. With two young kids in a packed town centre, I just wanted to get the hell out of there!
 
#41 ·
Just in case anyone reads this thread in future, for completeness, I now have my replacement vehicle and it does not display the same lateral suspension issue as the former car. So all of you with this problem I would get back on the case with Jaguar.
 
#42 ·
Hoping for back to back test Friday morning... I do hope the issue is fixable, if I reject now its going to be tough nearly 8 months even though I logged the issue on 1 Sept! Plus if I have to, it will be so long Jaguar, not going to chance it, but fact is I don't really want to swap the car but would like it to ride less like a rodeo horse!
 
#46 ·
corriescar66 said:
JLRnumber5 said:
^ I'm very happy for you to quote me as an ex-cowboy if it helps. Feel free to PM me if I can help at all on this subject I know how frustrating it has been.
Did anyone from dealer recognise this as an adaptive suspension fault at any time?
Not sure they even recognise it as a fault and nobody has done anything with mine. They seem to feel that's how it should be. I raised the issue with somebody more senior from Jag but not sure how deep or serious the case has been taken.

The more people who raise a TA then the more likely it will get properly noticed. My jag guy said we've had no reports I know of for any such issue. Mind you he also didn't think the 3G was much of an issue either though did recognise it that others had TAs open for it.

I think I'm going to replace the springs anyway so may mean if it doesn't help I'll be stuck as they won't be able to work on a non standard suspension car.

I may well just have to put up with it. JLR it may be fascinating to see one day what a non wobbly Jag is as I've driven 3 and all were the same (4th was similar but we didn't find suitable road)
 
#47 ·
Back to back tests today and either both cars had same issue or I am just going to accept the fact that the ride on 19inch wheels isn't great. Yes there have been odd occurences, but they don't happen all the time. Indeed it took me three months to start thinking there might be an issue. So decided to close the chapter on this and continue to enjoy the car.

It must have known because today the street view feature worked when arriving at a destination....

So just one issue left after 7.5 months... Windscreen washer too low at speed on drivers side...

Woo Hoo go FPace!
 
#48 ·
LOL. I saw street view today for the first time in months too!!

Also when I called into Dulux Trade depot to collect some paint there was a bit of activity in reception and then two guys came out to tell me it's the best car they've seen and they'd have it over a Bentley or Porsche any day.

So that's nice :lol:
 
#50 ·
JLRnumber5 said:
LOL. I saw street view today for the first time in months too!!

Also when I called into Dulux Trade depot to collect some paint there was a bit of activity in reception and then two guys came out to tell me it's the best car they've seen and they'd have it over a Bentley or Porsche any day.

So that's nice :lol:
I've literally had people stop and engage me in conversation about it. Slightly unnerves me !!
Not used to attention like it.
 
#51 ·
Mig said:
Got my car back last Wednesday after 7.5 weeks at the dealership.
Suspension is better but it's still wobbly and hard in some cases.
Would love to try another F-Pace with Adaptive Dynamics without this issue to get it fixed...
After being in the dealer for 3 days, it came back with mine fixed.. I don't know what was done there was an update applied, but allegedly for only general ICTP screen freeze issues - unless they are covertly releasing possible patches to try out software before general release.

It seems slightly 'wobbly' in Normal mode as I believe it's permanently been stuck in dynamic mode since new (November) and having got used to it's manners, it is very noticeable how compliant the ride now is at low speeds - no violent thumps over speed bumps and no wobble if you cross one on a diagonal. Eco seems a better compromise. Is this how it is supposed to work? At the moment I don't really care as it may stop me needing to see a chiropractor!

Anyway, there obviously has been an issue with this system, despite the denials, but it's a relief to find there is a solution.

When/if my dealer returns calls/emails I will try and find out the code for the update applied.