Go Back   Jeep Garage - Jeep Forum > Jeep Platform Discussion > Grand Cherokee - WK2 - > Suspension/Driveline/Brakes/Wheels/Tires

Join Jeep Garage Today
Reply
 
Thread Tools Display Modes
 
  #1  
Old 07-19-2011, 11:13 AM
ajs800's Avatar
Member
My Jeep: 2011 3.6L WK2
 
Join Date: Jun 2011
Location: Michigan
Posts: 736
Thanks: 0
Thanked 3 Times in 3 Posts
Rep Power: 31976
ajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond repute
looking to purchase -- overland air question

Hi all...I am looking at picking up a 2011 and have a question regarding the overland air suspension. I thought the overland 4x4 came standard with the air suspension, but when looking at some demo/used overlands, i am finding some that do not have this option. I can't imagine, but is it possible that jeep is removing this system from some vehicles that were "buy backs" or had constant issues?

I am leaning towards an "X" pkg over the limited/overland due to the darker wood trim in combo w/blk interior, but I am very curious why I am seeing some without the air susp option.
__________________

__________________
Reply With Quote
  #2  
Old 07-19-2011, 11:17 AM
Premium Member
 
Join Date: Jun 2010
Posts: 132
Thanks: 0
Thanked 8 Times in 7 Posts
Rep Power: 2333
voyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond reputevoyagerx has a reputation beyond repute
The Quadra-Lift was a late availability item. The initial Overlands did not have the system.
__________________

__________________
Reply With Quote
  #3  
Old 07-19-2011, 11:34 AM
ajs800's Avatar
Member
My Jeep: 2011 3.6L WK2
 
Join Date: Jun 2011
Location: Michigan
Posts: 736
Thanks: 0
Thanked 3 Times in 3 Posts
Rep Power: 31976
ajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond reputeajs800 has a reputation beyond repute
Re: looking to purchase -- overland air question

okay. I was not aware that it was a later production item. That may be a good thing (not having it) given everything I'm reading here.
__________________
Reply With Quote
  #4  
Old 07-19-2011, 11:42 AM
Technosavant's Avatar
Premium Member
My Jeep: 2011 3.6L WK2
 
Join Date: Jul 2010
Location: STL, MO area
Posts: 1,282
Thanks: 0
Thanked 4 Times in 2 Posts
Rep Power: 2830
Technosavant has a reputation beyond reputeTechnosavant has a reputation beyond reputeTechnosavant has a reputation beyond reputeTechnosavant has a reputation beyond repute
Re: looking to purchase -- overland air question

Production of Quadra-Lift equpped WK2s began in mid August, 2010 (IIRC, it was the 11th or thereabouts). There had not been too many Overlands made before that point; it seems like they weren't making them in July, but some had been produced without QL.
__________________
Reply With Quote
  #5  
Old 07-20-2011, 09:53 AM
Premium Member
My Jeep: 2000 4.0L WJ
 
Join Date: Nov 2010
Location: New jersey
Posts: 184
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 1545
Redcivic47 is on a distinguished road
Re: looking to purchase -- overland air question

I haven't read that many problems on here and I think we owners are the pickest of all people. My quadra lift works fine and rides smooth. I was also hesitant at first but I'm glad I went with the air ride. If youre going to be towing it's nice to have the instant height adjustment when under a load. The self adjusting shocks take a little while to get the ride height but the quadra lift shoots the ass right up.
__________________
Ordered on 09/17/10 2011 WK2
Mineral Gray Overland Hemi Black Interior tech pac
Delivery date 12/09/10 Picked up 12-13-10
Reply With Quote
  #6  
Old 07-20-2011, 10:13 AM
Premium Member
My Jeep: 2011 3.6L WK2
 
Join Date: Sep 2010
Location: Indianapolis
Posts: 275
Thanks: 0
Thanked 7 Times in 4 Posts
Rep Power: 1688
IndyBob has a spectacular aura about
Re: looking to purchase -- overland air question

Quote:
Originally Posted by ajs800 View Post
okay. I was not aware that it was a later production item. That may be a good thing (not having it) given everything I'm reading here.
There have been a few problems reported here but for me mine works great. I took it out west to Utah for 10 days and did some moderate to hard off roading in the rocks and trails.

The Jeep as a whole performed great. I used the Q-lift a lot.

I have 13,000 miles on it now.
__________________
Reply With Quote
  #7  
Old 07-20-2011, 11:06 AM
Member
 
Join Date: Feb 2010
Location: CT
Posts: 946
Thanks: 1
Thanked 6 Times in 5 Posts
Rep Power: 21904
jeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond reputejeepster23 has a reputation beyond repute
Re: looking to purchase -- overland air question

Quote:
Originally Posted by Redcivic47 View Post
I haven't read that many problems on here and I think we owners are the pickest of all people. My quadra lift works fine and rides smooth. I was also hesitant at first but I'm glad I went with the air ride. If youre going to be towing it's nice to have the instant height adjustment when under a load. The self adjusting shocks take a little while to get the ride height but the quadra lift shoots the ass right up.
You do not need the Quadra lift suspension for the load leveling shocks. The load leveling shocks are available on any model with the addition of the Tow Group not just the overland.
__________________
Reply With Quote
  #8  
Old 07-22-2011, 03:36 PM
Premium Member
My Jeep: 2000 4.0L WJ
 
Join Date: Nov 2010
Location: New jersey
Posts: 184
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 1545
Redcivic47 is on a distinguished road
Re: looking to purchase -- overland air question

But my understanding is that load leveling occurs after driving over bumps and then the shocks level themselves against the weight. QL adjusts parked as soon as the weight is applied.
__________________
Ordered on 09/17/10 2011 WK2
Mineral Gray Overland Hemi Black Interior tech pac
Delivery date 12/09/10 Picked up 12-13-10
Reply With Quote
  #9  
Old 07-24-2011, 03:13 PM
Premium Member
My Jeep: 2012 6.4L SRT8
 
Join Date: Dec 2010
Location: Ormond Beach FL
Posts: 1,544
Thanks: 0
Thanked 21 Times in 20 Posts
Rep Power: 2885
mjw930 has a reputation beyond reputemjw930 has a reputation beyond repute
Quote:
Originally Posted by Redcivic47 View Post
But my understanding is that load leveling occurs after driving over bumps and then the shocks level themselves against the weight. QL adjusts parked as soon as the weight is applied.
No, they both work the same way for basic leveling. They level the vehicle whenever the sensors see the same reading for a programmed amount of time but do nothing when the suspension is in motion such as going over bumps. (see below for the way QL handles height changes under motion)

For example, when you load the rear while sitting still it will raise the vehicle to the proper height. It will also level when you stop at a light or stop sign if you are stationary for a long enough time. It will lower under the same conditions.

The biggest difference is with the QL where it can change height while in motion. It does that by averaging the readings of the sensors which is why some hear the nitrogen tank "ping" while underway, usually when the system is switching between auto and aero height.

Also note that the load leveling is an open system, meaning it pumps and vents to atmosphere where the QL is closed and recirculates 99% pure nitrogen.
__________________
2012 Grand Cherokee SRT8 Black/Black
Reply With Quote
  #10  
Old 07-27-2011, 10:36 AM
crtc_01's Avatar
Member
My Jeep: 2011 3.6L WK2
 
Join Date: Jul 2011
Posts: 36
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 1151
crtc_01 is on a distinguished road
Re: looking to purchase -- overland air question

I currently have 3200mi with only a few problems in the QL. At 1000 and 1200 it flashed service AIR, restarted the car and everything worked fine.
__________________

__________________
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Issue with air suspension on new GC Overland rfarb Suspension/Driveline/Brakes/Wheels/Tires 10 02-19-2012 07:56 PM
one other air suspension question jp467 Suspension/Driveline/Brakes/Wheels/Tires 1 07-19-2011 03:59 PM
Air dam question... JeepCoop Visual Modifications 28 05-10-2011 11:37 AM
Front Air dam on 2006 GJ overland mueller5150 Grand Cherokee - WK 8 03-07-2011 01:34 AM

Powered by vBadvanced CMPS v3.2.3

All times are GMT -5. The time now is 10:56 PM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Copyright 2012 - JeepGarage.Org
The Jeep Grand Cherokee Owners Community