Q70 Active Suspension?

Forum for Infiniti M37, M56 M35h Hybrid and Q70 owners.
11esprit
Posts: 5
Joined: Fri May 26, 2017 5:28 am
Car: Q70 2.1 Diesel

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I have a 2015 Q70 2.2 diesel in the UK and I noticed that when vehicle starts it raises quickly by a few cm and when engine turns off it again lowers and does this every time it starts of turns off. As it has auto start stop I noticed this quite a lot and was wondering why it does that as I do not recall the Q70 having any type of adaptive suspension. I cannot find anything online related to this and I am not even sure if it is suspension related or something else but was hoping someone on the forum would know.


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Ilya
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Joined: Fri Apr 23, 2010 11:20 pm
Car: 2011 M56x but I spend a lot of time on my 2015 Kawasaki Vulcan S. Former owner of a 2007 M35x. Also take care of my wife's 2016 QX60.
Location: Charlotte, NC
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Hmm, I don't recall ever hearing about this either. Can anyone of the newer Q70 owners in the US report back?

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LeRoy712
Posts: 50
Joined: Mon May 23, 2016 2:16 pm
Car: 2015 Infiniti Q70s
2012 GMC Yukon SLT
2008 Nissan Altima 3.5 SE
2007 Infiniti G37 coupe (Sold)
Location: Arizona

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I have a 2015 q70s and have noticed something similar as well. However it seems my rear raises slightly when put into reverse and then lowers when put into drive. Haven't put much thought into it though.

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Debonair
Posts: 1109
Joined: Tue Sep 09, 2014 12:58 pm
Car: 2011 Infiniti M56
Location: 408 NOR CAL

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11esprit wrote:
Tue Jul 25, 2017 6:51 am
I have a 2015 Q70 2.2 diesel in the UK and I noticed that when vehicle starts it raises quickly by a few cm and when engine turns off it again lowers and does this every time it starts of turns off. As it has auto start stop I noticed this quite a lot and was wondering why it does that as I do not recall the Q70 having any type of adaptive suspension. I cannot find anything online related to this and I am not even sure if it is suspension related or something else but was hoping someone on the forum would know.
.
My best guess would be when the engine is started its rotational force causes the engine to apply more force/weight to the left or right allowing the opposite side to raise slightly. But this is a complete guess.

I would love to see a video of a yardstick ('murca! :mike), or meterstick next to the front wheel wells when the car starts and shuts off.

LeRoy712 wrote:
Thu Jul 27, 2017 4:21 pm
I have a 2015 q70s and have noticed something similar as well. However it seems my rear raises slightly when put into reverse and then lowers when put into drive. Haven't put much thought into it though.
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Normal RWD behavior. Car squats in Drive as load is applied to the drivetrain. Once released (Park, Neutral), or reversed, the load is removed and the rear raises back up. At a full stop, move the shifter back and forth between Drive and Neutral to see how extreme it is.

Aminalmo
Posts: 3
Joined: Wed Jul 26, 2017 8:42 pm
Car: M56s

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Like Debonair said is true i asked the dealer like 20min ago and he says q70 or m56 that i have they dont come with active suspension but the movement it always happen in my m56s like im stopped on the traffic light put the gear in p for a second and put it back in drive and look in the mirror. He told me about somthing i cant remember the name of it but when the car goes in high rpm the suspension get stiffer and i just tried it its real lol


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