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Old 02-05-2014, 07:43 PM
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Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

As the thread title states, the QL system has now failed for the 3rd time on my wifes Jeep. I'm at my wits end here but not really sure what I can do. Any advice is greatly appreciated!

First here is the info on the Jeep
2011 Jeep Grand Cherokee Overland Summit
32,xxx miles
Bought brand new
My wife's daily driver. She's a stay at home mom, so we're talking grocery store, and dropping our son off at school.

We bought the Jeep brand new going on 3 years ago. We've had no real major issues with it and I would say we've been impressed overall.

Flash forward to this past thanksgiving. 2 days before we are supposed to be driving to visit some family, I notice the air compressor seems to be running excessively then the "service air suspension system immediately" warning light comes on. Shortly after that, the suspension loses all lift and another warning comes on saying the suspension system needs to cool down.

I get it in to the dealer immediately and explain to them we need the car back asap to take out of town on a road trip. After they diagnose the problem as a "bad compressor", they also tell me it's going to take a week to get a new one and they don't offer service loaners. A week comes and goes and I finally get the call that the Jeep is fixed. I ask the service manager what caused the compressor to go bad and he has no answer. So basically they replaced the obvious broken part and sent me on my way rather than trying to diagnose the problem.

About a month goes by and the same symptoms start up all over again. Except this time, the compressor continues running even after the Jeep is shut off. I call the dealership first thing in the morning, explain to them what's happening and the service manager tells me that I can drop it off and they'll get to it when they can. I didn't really care for that answer so I decide to take it to a different Chrysler dealer in our area. They check it out, call me back and tell me the compressor went bad!! I explain to them that I understand the compressor went bad. I want to know what has caused 2 compressors to go bad on my Jeep. No logical answer and my wife needs her car back so we pick it up and hope the band aid works.

Roughly another month goes by and the freaking symptoms are starting all over again. The compressor is running very loud, and the warning lights are coming on again. The suspension hasn't lost lift yet but it's only a matter of time I'm sure.

My wife calls the dealer this time, and they ask her how she drives the vehicle?!? As in the suspension problem is some how her fault. We drop it off, they call back the next day and tell her the suspension code is showing the suspension is being raised and lowered too much?!?

I haven't had a chance to call and have a chat with the service manager yet but it sounds to me like they're not going to do much to fix this other than another band aid. My wife doesn't even use the suspension but even if she did. Isn't that what the freaking thing is designed for??

What's my argument here or my next step? Will it do me any good to contact Chrysler directly? My wife can't continue going without a car and this is getting out of hand.

Sorry for the rant but any advice is appreciated!
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Old 02-05-2014, 08:20 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

Go to a different dealer and see how they respond. You could also consider contacting Jeep directly (Jeep - Contact Us).
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Old 02-05-2014, 08:30 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

Contacting Jeep will give you a better chance of getting the problem resolved than ranting on the internet ... so call them.

Ranting on the internet will make you feel better than calling Jeep ... so feel free to keep ranting.

And, good luck.


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Old 02-05-2014, 09:17 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

Quote:
Originally Posted by ABenson36 View Post
tell her the suspension code is showing the suspension is being raised and lowered too much?!?
Well there is your problem right there. What crazy planet are you from where you think suspension is designed to go up and down?

You think this is a low rider Cady with 50Ē rims. You canít go bouncing down to the school like that.
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Old 02-05-2014, 09:41 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

Quote:
Originally Posted by SNUKE View Post
Well there is your problem right there. What crazy planet are you from where you think suspension is designed to go up and down?

You think this is a low rider Cady with 50Ē rims. You canít go bouncing down to the school like that.
I'm going to ask them to show me the code # for suspension being raised and lowered too much.

I'll probably tell my wife to stop raising and lowering the windows too. The Jeep may just explode if she keeps using it's features the way they were intended.

In all seriousness, I'll try contacting Chrysler tomorrow and see where that gets me.
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Old 02-06-2014, 05:21 PM
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Have they checked for a bad height sensor. If one is sending a bad signal telling the suspension to keep adjusting then I could see that burning out the compressors.
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Old 02-06-2014, 05:32 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

Could also be something as simple as an air leak in the system somewhere, that is intermittent. If it leaks air, the system will tell the compressor to run...until it overheats and burns out.

If there is no physical leak, there could be a bad pressure/height sensor as noted above, making it *think* there's a leak and causing the compressor to run until it overheats and burns out.
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Old 02-06-2014, 06:52 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

My money is on a leak. Possibly a kinked hose that has developed a hairline crack.
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Old 02-06-2014, 07:31 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

Quote:
Originally Posted by ABenson36 View Post
I'm going to ask them to show me the code # for suspension being raised and lowered too much.

I'll probably tell my wife to stop raising and lowering the windows too. The Jeep may just explode if she keeps using it's features the way they were intended.

In all seriousness, I'll try contacting Chrysler tomorrow and see where that gets me.
Its probably a code for the compressor overheating which can be caused by excessive use but in your case its sounds like you have a leak in the system. They probably need to find the leak to fix the issue.
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Old 02-06-2014, 07:49 PM
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Wouldn't a leak that has gone through 2-3 compressors require a refill by now? Are they checking the tank or are you able to raise to ORII after a new compressor?
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Old 02-06-2014, 08:16 PM
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Re: Need advice. Quadra Lift system has failed for the 3rd time in 3 Months.

Quote:
Originally Posted by berk483 View Post
Wouldn't a leak that has gone through 2-3 compressors require a refill by now? Are they checking the tank or are you able to raise to ORII after a new compressor?
Every time they change a compressor they need release the air and then refill when they are done . It probably takes a month to burn out the compressor from the leak he has
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Old 02-06-2014, 08:36 PM
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Good point, I want sure if the compressor change would require a dump of the system. If it does then a leak is probably the culprit.
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