Hi Team,

Just bought my 2011 L322 Supercharged. I noticed today that when I went outside the left side looked lower in the front. Well, after measuring I confirm that it is indeed two inches lower 33.5 on the driver side and 31.5 on the passenger (US). It had been sitting overnight. before I checked it.
When running, however, there is only a half inch difference. I was wondering if you guys think I have an air leak, a faulty ride height sensor, or possibly something else.

I read some of the other posts about this issue, but they all seem to be on the earlier models.

Best Regards,
Doug

 

Are you getting any faults?

If not I would suspect its a calibration issue

 

Hi ArmyRover,

No, I have zero faults on startup or forced self-test. When you say a calibration issue do you mean a blend door calibration issue or a compressor calibration issue?

Unfortunately, I live in BFE and the nearest Rover Dealership is 3 hours away.

Is there a way to recalibrate the system on my own or will I need to travel to Dallas, TX

 

Like the height sensors need to be reset for the truck to be level.

Unless you have a bag leak on that side that is not bad enough to set a fault but that seems unlikely.

A good independent Rover shop should have the capability or if you are an adventurous soul and have a GAP IID Tool you can do it yourself.

 

Hi again ArmyRover,

Are there any guides on this forum that explain how to do that recal?

 

https://www.gap-diagnostic.com/suppo...ments/iidtool/

For the GAP IID tool, the user manual describes the process, it is fairly simple math, essentially you use the tool to lift or lower each car by a set of values (in mm) and a measuring tape to measure center of wheel to the bottom of the wheel arch, and can fine tune until it is level.

Judging by your first post I would say you have
1) a slight calibration issue
2) a leak somewhere, either at a strut or a valve block
3) a computer issue where it will adjust these values when it is sitting overnight.

You can remove engine compartment fuse F26E (master fuse for suspension) and leave it overnight, if this solves the different height issue then great, if it still sits crooked by the amount you say then I would say there is a leak.

Your vehicle will not register a fault code for small leaks until they get much worse.

 

Hi guys,

Just wanted to provide an update here. I was doing the brakes on the truck and heard the suspension adjust twice on the left side. So, I am pretty sure that it is a calibration issue.