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  #1  
Old 08-29-2015, 05:40 PM
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Air Suspension failure 2011 WK2

2011 WK2 Overland, 111,000k miles.
I did a search and found nothing like my issue today. I made a right turn and hear this sound thats similar to an air compressor.
"Hmm... thats loud and it shouldn't be that loud". Great, Im thinking maybe the compressor is loose and Ill look it up when I get home.
A couple miles later I hear this pop like I got a flat but its not driving odd and just as I finished that thought the ride got a little bouncy. I make my left turn and it felt like I was driving in a low rider. Pull over and sure enough, my WK2 decided it wanted to go loooow.
Luckily I was only a couple miles from the dealer so I drove, errr, bounced it in and am once again without my WK2. BTW... no error code came up during ANY of this.

So... I had the "service sir suspension" message show up a couple years ago and yes it got stuck a coupe ties but they never figured anything out. Now out of nowhere, no code, nothing, this happens.

Anyone ever had this happen?

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  #2  
Old 08-29-2015, 10:27 PM
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Re: Air Suspension failure 2011 WK2

The air tank sits behind the rear seat and is basically held in by the carpeting. Maybe an airbag in one of your wheel wells was punctured? Sorry for your misfortune.
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  #3  
Old 08-29-2015, 11:18 PM
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Re: Air Suspension failure 2011 WK2

My understanding is that once the system cools down it should have another go at reaching correct ride height. If you move around the vehicle reasonably quickly, you might be able to pinpoint the leak?

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  #4  
Old 09-07-2015, 10:51 AM
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UPDATE: Air Suspension failure 2011 WK2

Quote:
Originally Posted by zmilin View Post
2011 WK2 Overland, 111,000k miles.
I did a search and found nothing like my issue today. I made a right turn and hear this sound thats similar to an air compressor.
"Hmm... thats loud and it shouldn't be that loud". Great, Im thinking maybe the compressor is loose and Ill look it up when I get home.
A couple miles later I hear this pop like I got a flat but its not driving odd and just as I finished that thought the ride got a little bouncy. I make my left turn and it felt like I was driving in a low rider. Pull over and sure enough, my WK2 decided it wanted to go loooow.
Luckily I was only a couple miles from the dealer so I drove, errr, bounced it in and am once again without my WK2. BTW... no error code came up during ANY of this.

So... I had the "service sir suspension" message show up a couple years ago and yes it got stuck a coupe ties but they never figured anything out. Now out of nowhere, no code, nothing, this happens.

Anyone ever had this happen?
I got it back on Friday and wanted to give you all an update on what the issue was. Turns out it was the air compressor that failed. Had I not had the Maxcare it would have cost me $1600 for the pump alone. Luckily all I had to pay for was the deductible. Whew!

I wish they would have had the old part so I could actually see it but I didn't ask for it so its gone. Cest la vie!
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Old 10-19-2015, 01:29 PM
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Re: Air Suspension failure 2011 WK2

Just another update... a few days after I got it back the "service air suspension" error was showing up again. Turns out that was a blown fuse. Easy fix but still annoying.

FFWD to today... I was driving to work this morning and guess what... suspension issue. Started feeling bouncy and then the "service air suspension" error made an appearance. Luckily I felt it and knew what it was before I hit a slick spot (it was raining).
Pulled off and this time it seems the front end went up and stayed up while the back went down or maybe it seems that way because the front was so high.

I really hate this damn thing. There have been other issues that were not posted but I have never in my life had issues with a vehicle like I have with this one.
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  #6  
Old 11-01-2015, 01:19 PM
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Re: Air Suspension failure 2011 WK2

Update - they drained, refilled and calibrated the air suspension... again. Well see how this plays out.
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  #7  
Old 11-02-2015, 11:33 AM
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Re: Air Suspension failure 2011 WK2

2011 are the guine pig.

The system is a closed system, and nitrogen is used

Good link

Jeep Grand Cherokee WK2 - Quadra-Lift Air Suspension system


Pic of the compressor, v block and lines
Attached Images
File Type: jpg IMG_1209.jpg (125.0 KB, 45 views)
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  #8  
Old 12-10-2015, 06:50 PM
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Re: Air Suspension failure 2011 WK2

...and it decided to lock itself up again, while driving at why speed. This time on the wa to the dealer it decided to level out just before getting there.
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  #9  
Old 12-26-2015, 06:23 PM
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Re: Air Suspension failure 2011 WK2

My son has a 2011 WK2 Overland & had the compressor fail a month or so ago. The dealer replaced the compressor and a relay for around $2K. Perhaps your vehicle has some sensor / control issues in addition to the compressor.
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Old 02-01-2017, 03:49 PM
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Lightbulb UPDATE: Air Suspension failure 2011 WK2

Hate to be that guy that's always bitching about his Jeep but I feel an update is in order.

Some months after the pump replacement and last trip to the dealer for this issue in Dec 2015 the air suspension gremlin reared its ugly head again.

- The EVIC error showed up a few more times and as expected the dealer never found anything and just cleared the code and gave it back.

- About Aug/Sept of 2016 the air pump failed yet again and was replaced under warranty. Not my extended warranty, Jeep actually covered the part.

- Nov 2016 (week of Thanksgiving) I was driving back from Eastern WA to Seattle and, you guessed it, EVIC code screaming at me "service air suspension soon" then a few miles later it changed to "please wait, air suspension cooling". It rotated between those messages on and off for a good 50 miles. There was no way in hell I was going to pull over and get stranded in BFE so I just moved into the slow lane and continued.
Getting off the fwy I could not feel the air pump working and damn she was loud.
A few miles later I pull into my parking spot at home and start walking away. I sat for a few minutes to see if the pump would slow down but it didn't. OK... I say to myself "I need to unload and then Ill pull the fuse so it'll stop". It wans t low and it wasn't locked like other times and it certainly wasn't gaining elevation. As I was walking my last load of stuff back to the garage I hear a bang. Not a bang like a balloon popping but something similar to a shotgun blast. I quickly turn to face the Jeep to see a cloud of white smoke coming from under the pass side fender and hear that air pump working like it was right next to my ear (it was not).
Pop the hood, pull the fuse and I notice all these white beads all over the ground, inside engine bay and inside fender well.
Long story short the pump literally blew itself apart. The dealer swaps it under warranty and all seems good.... for a few weeks.
BTW... that repair took almost two weeks due to the Holiday, weather delays to shipments and how damn busy these Jeep service depts. seem to be.

- Dec 2016 (week or so before Christmas) - I go to work, come out about an hour later and the Jeep looks lower than I thought it was. I verified that by cracking my forehead against the tail gate
Drive over to the dealer. Ride is squishy but not hard and a slight bouncy. Suspension is dropping, pump is working (quietly) and no response from the controls. Shell go down but not up. I couldn't leave it due to all the tools in the back so I had to go home then bring it back that night to drop it off.

- Feb 2017 - I still don't have my Jeep back. They have supposedly gone through everything twice and followed all directions/troubleshooting (they say over 40 pages) Chrysler has given them form Corp and they have no idea.
Next step is to wait for the guru tech to show up from atop the Chrysler mountaintop to perform an animal sacrifice and chant some ancient spells over my Jeep.

- I called a Lemon Law attorney, I have no case based on time elapsed between my purchase date and this issue.
- Every day that goes by I lose value on this pile of garbage so by the time I get it back I may just drive it into the dessert and use it for target practice.
- The Chrysler Lifetime Max Care doesn't come into play here and even if it did the loaner/rental allowance runs out at 100k miles. I'm at about 140k.
- The battery died at the dealer so I will have to pay for a $300+ battery when/if I ever pick it up.

So yeah, you could say things are getting serious.

Oh... I also never posted about the wiper motor just dying in the middle of what seemed like a monsoon back in late 2015/early 2016. That was fun too.
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  #11  
Old 02-01-2017, 05:54 PM
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Re: UPDATE: Air Suspension failure 2011 WK2

Quote:
Originally Posted by zmilin View Post
Hate to be that guy that's always bitching about his Jeep but I feel an update is in order.

Some months after the pump replacement and last trip to the dealer for this issue in Dec 2015 the air suspension gremlin reared its ugly head again.

- The EVIC error showed up a few more times and as expected the dealer never found anything and just cleared the code and gave it back.

- About Aug/Sept of 2016 the air pump failed yet again and was replaced under warranty. Not my extended warranty, Jeep actually covered the part.

- Nov 2016 (week of Thanksgiving) I was driving back from Eastern WA to Seattle and, you guessed it, EVIC code screaming at me "service air suspension soon" then a few miles later it changed to "please wait, air suspension cooling". It rotated between those messages on and off for a good 50 miles. There was no way in hell I was going to pull over and get stranded in BFE so I just moved into the slow lane and continued.
Getting off the fwy I could not feel the air pump working and damn she was loud.
A few miles later I pull into my parking spot at home and start walking away. I sat for a few minutes to see if the pump would slow down but it didn't. OK... I say to myself "I need to unload and then Ill pull the fuse so it'll stop". It wans t low and it wasn't locked like other times and it certainly wasn't gaining elevation. As I was walking my last load of stuff back to the garage I hear a bang. Not a bang like a balloon popping but something similar to a shotgun blast. I quickly turn to face the Jeep to see a cloud of white smoke coming from under the pass side fender and hear that air pump working like it was right next to my ear (it was not).
Pop the hood, pull the fuse and I notice all these white beads all over the ground, inside engine bay and inside fender well.
Long story short the pump literally blew itself apart. The dealer swaps it under warranty and all seems good.... for a few weeks.
BTW... that repair took almost two weeks due to the Holiday, weather delays to shipments and how damn busy these Jeep service depts. seem to be.

- Dec 2016 (week or so before Christmas) - I go to work, come out about an hour later and the Jeep looks lower than I thought it was. I verified that by cracking my forehead against the tail gate
Drive over to the dealer. Ride is squishy but not hard and a slight bouncy. Suspension is dropping, pump is working (quietly) and no response from the controls. Shell go down but not up. I couldn't leave it due to all the tools in the back so I had to go home then bring it back that night to drop it off.

- Feb 2017 - I still don't have my Jeep back. They have supposedly gone through everything twice and followed all directions/troubleshooting (they say over 40 pages) Chrysler has given them form Corp and they have no idea.
Next step is to wait for the guru tech to show up from atop the Chrysler mountaintop to perform an animal sacrifice and chant some ancient spells over my Jeep.

- I called a Lemon Law attorney, I have no case based on time elapsed between my purchase date and this issue.
- Every day that goes by I lose value on this pile of garbage so by the time I get it back I may just drive it into the dessert and use it for target practice.
- The Chrysler Lifetime Max Care doesn't come into play here and even if it did the loaner/rental allowance runs out at 100k miles. I'm at about 140k.
- The battery died at the dealer so I will have to pay for a $300+ battery when/if I ever pick it up.

So yeah, you could say things are getting serious.

Oh... I also never posted about the wiper motor just dying in the middle of what seemed like a monsoon back in late 2015/early 2016. That was fun too.
Hi zmilin,

I'm sorry about the ongoing experience you'd had with your Jeep. It sounds like the next step I would have suggested, involving a technical advisor, is being done now. If you need me to do any follow up, please let me know.

Kori
Jeep Social Care Specialist
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  #12  
Old 02-01-2017, 11:52 PM
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Re: Air Suspension failure 2011 WK2

Thanks!
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