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 01-13-2011, 09:23 AM
chibianh's Avatar
Premium Member


My Jeep: 2011 5.7L WK2
 
Join Date: Jul 2010
Location: Colorado
Posts: 594
Thanks: 2
Thanked 6 Times in 5 Posts
Rep Power: 96530
chibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond reputechibianh has a reputation beyond repute
Send a message via AIM to chibianh
lifting without disabling air suspension

The manual says to disable the air suspension before jacking. Is there any repercussion if it isn't disabled? I'm sure a lot of people and shops do not know this so I'm guessing jeep has a fail safe for this. Thoughts?
__________________

__________________
2011 WK2 Overland 5.7 w/ Off-road Adventure II and other stuff
Reply With Quote
  #2  
Old 01-13-2011, 09:55 AM
wjs81866's Avatar
Member
My Jeep: 2011 5.7L WK2
 
Join Date: Oct 2010
Location: Round Lake, IL
Posts: 427
Thanks: 0
Thanked 9 Times in 5 Posts
Rep Power: 16378
wjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond reputewjs81866 has a reputation beyond repute
Re: lifting without disabling air suspension

It's my understanding that if you didn't disable it could start trying to correct itself, it would seem this could be an issue if you were trying to change a tire? I'm not sure if it would try to correct itself if the ignition is off or not. Everytime it's been necessary to raise it the QL has been disabled on mine so I'm not sure what it would do if the ignition is off.
__________________

__________________
1) 2011 Grand Cherokee Limited Blackberry
5.7L Quadra Trac 2 - IV Towing package
Lux Group 2
20" tires and rims

2) 2011 Grand Cherokee Laredo X Blackberry
5.7L QD-2 - QL- Off-Road II - IV Towing package - Tekonsha P3® Brake Control
P265/60R18 Michelin LTX M/S 2's :D -Volant 161576 Air Intake, Billet Technology catch can
Reply With Quote
  #3  
Old 01-13-2011, 04:00 PM
WK2OverlandII's Avatar
Quadra-Drive
My Jeep: 2014 3.0L WK2
 
Join Date: Nov 2010
Location: Clinton, Co. PA
Posts: 344
Thanks: 60
Thanked 4 Times in 4 Posts
Rep Power: 1788
WK2OverlandII is on a distinguished road
Re: lifting without disabling air suspension

I was leaving the door open so it wouldn't adjust while changing my tires out. What I will do next time is (read this in one of the TSB's) is to hold down on both of the "up and down" select terrain buttons simultaneously for so many seconds as this will disable the system. Then once the vehicle is driven again over 5MPH it will reset itself and start working again.

Has anyone tried this yet?
__________________
2014 JGC Limited - Granite/Black - 3.0L ECODiesel - LUX II - NAV - Off Road II- Block Heater.
Reply With Quote
  #4  
Old 01-13-2011, 04:43 PM
Premium Member
My Jeep: 2012 6.4L SRT8
 
Join Date: Dec 2010
Location: Ormond Beach FL
Posts: 1,544
Thanks: 0
Thanked 22 Times in 21 Posts
Rep Power: 2976
mjw930 has a reputation beyond reputemjw930 has a reputation beyond repute
Re: lifting without disabling air suspension

Quote:
Originally Posted by WK2OverlandII View Post
I was leaving the door open so it wouldn't adjust while changing my tires out. What I will do next time is (read this in one of the TSB's) is to hold down on both of the "up and down" select terrain buttons simultaneously for so many seconds as this will disable the system. Then once the vehicle is driven again over 5MPH it will reset itself and start working again.

Has anyone tried this yet?
I tried that on a demo and it works and is the correct way to lock the system.

The problem is, if you are raising the vehicle it tries to maintain level so as you lift one side the other will try and level itself. This can make it shift and fall off the jack or lift. It can and will do this even if the vehicle is turned off and you are out of the truck. I was standing 5 feet away from a demo Overland talking to the salesman and for no reason the front end lowered itself to regain level. We were out of the vehicle and it had been turned off but probably only for 30 seconds. My other SUV's with 4 corner air did the same thing. It can also cause a problem by draining the air from all 4 corners when the entire vehicle is raised deflating the air bags and causing the compressor to run until it overheats.

Here's a quote from a Cayenne forum that sums it all up:

Quote:
When I jacked up my truck and removed one of my wheels to detail immediately after purchasing this past spring, the jacked up wheel started to move downwards as the compressor was cycling madly. Not a very safe feeling when your $100K truck is jacked up on one end....
__________________
2012 Grand Cherokee SRT8 Black/Black
Reply With Quote
  #5  
Old 01-13-2011, 06:56 PM
Knightrider03m's Avatar
Everyday I'm shuffling
My Jeep: 2012 3.0L
 
Join Date: May 2009
Location: In the mud now
Posts: 6,128
Thanks: 13
Thanked 18 Times in 18 Posts
Rep Power: 323410
Knightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond reputeKnightrider03m has a reputation beyond repute
Send a message via AIM to Knightrider03m
Re: lifting without disabling air suspension

Almost every car with an air suspension has to be disable before jacking it. Its normal.
__________________
-Marcus-
2012 Ford Escape XLT 3.0L V6 AWD White Suede
Current mods: 6000K HID low/hi beams; Passport 9500ix; Garmin NUVI50 5% Tint; Tinted Tails; Duel Exhaust; Debadge
Future mods: Lowing kit; Engine Tune; Black wheels; Monotone Paint Job
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
Air Suspension, Saddle, Bluetooth....Reservations... patschamps2004 Grand Cherokee - WK2 - 5 01-05-2011 07:24 PM
How about reliability of QL(air suspension) goforjeep Suspension/Driveline/Brakes/Wheels/Tires 53 11-26-2010 11:59 AM
Air suspension reliability mhansen2 Trouble Shooting/Problems/Service 1 11-02-2010 09:14 PM
Air suspension and body roll? phoebe Grand Cherokee - WK2 - 8 08-09-2010 03:41 PM
Air bag suspension!! Help!! mngamer3 Grand Cherokee - WK 2 05-13-2010 08:17 PM

Powered by vBadvanced CMPS v3.2.3

All times are GMT -5. The time now is 06:43 AM.


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

JeepGarage.org is in no way associated with or endorsed by Chrysler Group LLC.