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horse86



Member Since: 09 Dec 2014
Location: PA
Posts: 860

United States 2014 Range Rover Autobiography 5.0 SC V8 Causeway Grey
Strange wobble/rocking side to side when driving

2014 autobio with 31k on it.

So I’ve noticed something when driving I get a wobble side to side while driving on even a relatively smooth and flat road. You feel your body moving side to side rocking sensation/movement in the seat almost like One side of the car is lifted slightly then let down. Anyone have idea on how to fix this? Is this sway bar, sway bar bushings, the active control bar system, something with the suspension unit? I noticed the dynamic response fluid Rez is slightly lower than MIN so I bought more to top it off....couldn’t imagine that causing it though.

also I get a subtle clunk (seems like from the front) when go over the curb of my driveway. Turning left to pull into driveway and going over the curb I hear 2 clunks as each tire goes over the curb and the chassis twist/flexes a bit.

also is the dynamic fluid Rez the same that also feeds the power steering? I know they Both take the same fluid (I really need to get an owners manual). 2014 FF Autobiography 5.0 SC
2008 FFRR (sold)
2008 BMW M5

Post #544967 24th Feb 2020 6:07am
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Boatmechanic



Member Since: 11 Dec 2019
Location: West coast
Posts: 76

Sweden 
ARC Valve Block

Google for L405 valve block or read this thread:

https://www.fullfatrr.com/forum/topic20857.html

Post #545025 24th Feb 2020 3:26pm
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horse86



Member Since: 09 Dec 2014
Location: PA
Posts: 860

United States 2014 Range Rover Autobiography 5.0 SC V8 Causeway Grey

That thread talks about the ARC or replacing the Active Sway bar it seems....but didn't really get a feel from it that it fixed the issue. The clunk is only heard when i go up my driveway curb apron...so that's the least of the issue. The wobble side to side in my seat is the issue I'd like to get sorted. If they both get sorted at he same time even better. 2014 FF Autobiography 5.0 SC
2008 FFRR (sold)
2008 BMW M5

Post #545035 24th Feb 2020 4:43pm
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Boatmechanic



Member Since: 11 Dec 2019
Location: West coast
Posts: 76

Sweden 

Then Google the term I suggested.

There is plenty of information on this forum and in other places about the suspension problems on early L405s.

I am surprised that you did not do your homework before buying a vehicle.

Post #545045 24th Feb 2020 5:35pm
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horse86



Member Since: 09 Dec 2014
Location: PA
Posts: 860

United States 2014 Range Rover Autobiography 5.0 SC V8 Causeway Grey

its a 2014 so its not first year. That talk suggests all 2014's are junk which is dumb. Regardless, suspension part updates isn't a reason to not buy a car. Your google suggestion search found 1 decent result. I'm looking for specific part to replace not just throwing parts at the problem. I'll wait for more senior members to chime in 2014 FF Autobiography 5.0 SC
2008 FFRR (sold)
2008 BMW M5

Post #545050 24th Feb 2020 6:29pm
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Felstmiester



Member Since: 06 Apr 2019
Location: Hertfordshire
Posts: 262

England 2015 Range Rover Vogue TDV6 Santorini Black

Before anything else I wouldn’t rule out a bump on a tyre.

Post #545061 24th Feb 2020 7:53pm
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Ash59



Member Since: 17 Feb 2020
Location: West yorks
Posts: 2

United Kingdom 2014 Range Rover Vogue SE SDV8 Corris Grey

Have you had your dynamic suspension fluid and filter changed,this should be done at 5yrs old according to my jlr dealer,not saying that the problem

Post #545066 24th Feb 2020 8:16pm
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horse86



Member Since: 09 Dec 2014
Location: PA
Posts: 860

United States 2014 Range Rover Autobiography 5.0 SC V8 Causeway Grey

I requested brand new tires when I purchased it so I have nothing to compare it to they have less that 1k miles on them. The wobble is often but it's not consistent like every 2 seconds....Almost feels like one side of the car the air struts has slightly less air pressure and dips and rebounds back.

I have not changed the filter or flushed the system. I've recently picked up the car 6 years old @31k miles....so the age might dictate a flush isn't a bad idea. I think these needs dealer or Indy to do from what I can tell (software and modeules involved). The dynamic fluid rez is slightly below min so I've purchased some more to top it off. But I woudln't think that would be the root cause. 2014 FF Autobiography 5.0 SC
2008 FFRR (sold)
2008 BMW M5

Post #545069 24th Feb 2020 8:45pm
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