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  #25  
Old 08-31-2016, 02:56 PM
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Re: Quadra Lift ride Quality

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Originally Posted by bill_de View Post
Did you ever properly set the tire pressure on the two with Quadra Lift?


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I don't really know if the tire pressures were off on them.......hell I didn't know what the tire pressures were supposed to be until I bought mine and got it home and started playing with it.

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  #26  
Old 08-31-2016, 07:14 PM
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Re: Quadra Lift ride Quality

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Originally Posted by ICTsccaSRT View Post
Keep in mind a High Altitude has the sport tuned air suspension vs. all others that have the standard air suspension so the two will ride sightly diffrent

Well...that was SAID to be true when it was coming out. However, every HA I've checked comes up as having the exact same air suspension part numbers (front air shocks/springs and rear shocks/air springs) as a standard Overland, according to the parts catalogs.
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Old 08-31-2016, 08:14 PM
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Re: Quadra Lift ride Quality

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Originally Posted by Peter_K View Post
Well...that was SAID to be true when it was coming out. However, every HA I've checked comes up as having the exact same air suspension part numbers (front air shocks/springs and rear shocks/air springs) as a standard Overland, according to the parts catalogs.
It could be the same parts with different programming ... I'm guessing. Sensors and computers could determine the amount of pressure applied to the system under different conditions and in different settings.

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  #28  
Old 08-31-2016, 08:40 PM
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Re: Quadra Lift ride Quality

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Originally Posted by Peter_K View Post
Well...that was SAID to be true when it was coming out. However, every HA I've checked comes up as having the exact same air suspension part numbers (front air shocks/springs and rear shocks/air springs) as a standard Overland, according to the parts catalogs.
For me, there was a noticeable difference in ride and handling between my 14 Overland and 16 HA. The HA is firmer but not harsh and feels right to me for a vehicle that size rolling on 20's.
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  #29  
Old 08-31-2016, 10:05 PM
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Re: Quadra Lift ride Quality

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Originally Posted by MDBones View Post
For me, there was a noticeable difference in ride and handling between my 14 Overland and 16 HA. The HA is firmer but not harsh and feels right to me for a vehicle that size rolling on 20's.
I still don't know how everyone but me keeps stating that the air ride suspension was "firm". It was anything but firm when I dove 2 different GC's.

I didn't change anything so I assume it was in the normal height position. I drove it on side streets and on the highway.....just didn't do it for me.
But again I did like the idea of aero mode.

On the other hand my wife would probably like the air ride. She's been talking about ditching her Acura RLX and getting a Summit. Just might become a 2 GC family.
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  #30  
Old 08-31-2016, 10:19 PM
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Re: Quadra Lift ride Quality

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Originally Posted by five.7 Hemi View Post
I still don't know how everyone but me keeps stating that the air ride suspension was "firm". It was anything but firm when I dove 2 different GC's.

I didn't change anything so I assume it was in the normal height position. I drove it on side streets and on the highway.....just didn't do it for me.
But again I did like the idea of aero mode.

On the other hand my wife would probably like the air ride. She's been talking about ditching her Acura RLX and getting a Summit. Just might become a 2 GC family.
The Overland with High Altitude package has a sport dampening air suspension which is not as floaty as the Overland air-suspension. You should really try driving a High Altitude.
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  #31  
Old 08-31-2016, 10:29 PM
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Re: Quadra Lift ride Quality

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Originally Posted by jgc4ever View Post
The Overland with High Altitude package has a sport dampening air suspension which is not as floaty as the Overland air-suspension. You should really try driving a High Altitude.
I drove a HA with the Hemi first....that's what I thought I wanted. Then drove a diesel overland, the weight of that engine and the air ride was a no go in my book.
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  #32  
Old 08-31-2016, 10:30 PM
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Re: Quadra Lift ride Quality

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Originally Posted by jgc4ever View Post
The Overland with High Altitude package has a sport dampening air suspension which is not as floaty as the Overland air-suspension. You should really try driving a High Altitude.

Again...it doesn't have a different air suspension from the standard Overland. The part numbers for the suspension components would absolutely have to be different...and they're not. I've verified this on numerous HA vehicles, using both parts lookup via VIN, and visual inspection (for example, the Chrysler part number for the front air spring/shock assemblies are located near the top of the spring "can").

I've also driven several HAs vs Overlands and...no, no difference. I drove them over a large speed hump at the same speed and each one responded the same, compression and rebound wise.

So...there appears to be a lot of "placebo effect" going on. I have no idea why FCA would announce the HA as having a "sportier" suspension but yet equip the actual vehicles with the same suspension components as the straight Overland.

Note: FCA DOES manufacture "sport" (suspension code SDE) versions of the air suspension components. It just appears they don't use them.
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  #33  
Old 09-01-2016, 12:23 AM
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Re: Quadra Lift ride Quality

Quote:
Originally Posted by Peter_K View Post
Again...it doesn't have a different air suspension from the standard Overland. The part numbers for the suspension components would absolutely have to be different...and they're not. I've verified this on numerous HA vehicles, using both parts lookup via VIN, and visual inspection (for example, the Chrysler part number for the front air spring/shock assemblies are located near the top of the spring "can").

I've also driven several HAs vs Overlands and...no, no difference. I drove them over a large speed hump at the same speed and each one responded the same, compression and rebound wise.

So...there appears to be a lot of "placebo effect" going on. I have no idea why FCA would announce the HA as having a "sportier" suspension but yet equip the actual vehicles with the same suspension components as the straight Overland.

Note: FCA DOES manufacture "sport" (suspension code SDE) versions of the air suspension components. It just appears they don't use them.
I believe I read on here JTS checked the part numbers on his High Altitude and found them to be different than those on a Summit. You took a test drive. I drove my 2012 Overland for 4 years. I've been driving my High Altitude for almost a year, and I say the suspension is different and so does Jeep.
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  #34  
Old 09-01-2016, 02:05 AM
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Re: Quadra Lift ride Quality

The air suspension in my Summits ('11 and '14) can be a bit "bouncy" at times.....it does have a bit of side to side roll to it too. Not that that is a bad thing.
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  #35  
Old 09-01-2016, 02:55 AM
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Re: Quadra Lift ride Quality

I posted in another thread. Having driven both the 15 HA and Summit, I can confirm that the Summit was very bouncy.

Test driving the 17 Summit, I was surprised. It did feel firmer. So I tested it:

On a side street with wide speed bumps I drove the vehicles over the bumps at 13mph, this is what I found:

15 HA, 1 bounce.
16 Summit, 3 bounces.
17 Summit, 1.5 bounces

I will finally pick up my 17 Summit Monday night when I get back in town. Will do some more comparisons, including some high speed curves.


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  #36  
Old 09-01-2016, 06:19 AM
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Re: Quadra Lift ride Quality

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Originally Posted by jgc4ever View Post
I believe I read on here JTS checked the part numbers on his High Altitude and found them to be different than those on a Summit. You took a test drive. I drove my 2012 Overland for 4 years. I've been driving my High Altitude for almost a year, and I say the suspension is different and so does Jeep.
Yes I owned both a 2014 Summit V8 and a 2015 HA V6 and part numbers on the suspension components were definitely different. I can also say without a doubt the ride between the two is noticeably different. So much so that after first test drive in the HA I was sold. There is NO QUESTION the suspensions are different, or atleast something is to give them a different ride. That's between a Summit and an HA, so I wouldnt know about the Overland as I never drive one.
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