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  #81  
Old 01-25-2014, 07:23 PM
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Looked through the thread since I am about to have to calibrate the height on my wife's 4.8is. I just installed new front CV axles and all four air bags (popped rear when jacking up the front to replace the axles). Got rear bags replaced and the front popped... Has anyone here tried using the Autel MaxiDAS 708? So far I have used it for reading the sensors (front left voltage pegged, new sensor on the way). Works great for reading everything and raising and lowering each bag. Just curious is anyone else has experience with this.
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  #82  
Old 05-01-2014, 12:18 PM
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Any benefits or consensus as to INPA vs. GT1/DIS (I have both from our Romanian friend) for ride height calibration? My pump seems to come on a bit more frequently than I would guess it should.

I'd like to recalibrate prior to doing anything else and see what happens...
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  #83  
Old 05-01-2014, 12:22 PM
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DIS is what I used. It has diagnostic routine as well as re calibration routine.
If your pump is coming on more that usual, you'll want to test for leaks. Have you replaced any of the bags yet?
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  #84  
Old 05-01-2014, 12:50 PM
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The two front bags were replaced by a dealer about 5 years ago. Rears have never been replaced. 79k mile cali truck, 2004.

Pump comes on for about 1 minute in the mornings and sometimes comes at various times throughout the day. Because I've never owned an X with air ride suspension before I just get paranoid about what is normal and what is not when it comes to this system
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  #85  
Old 05-01-2014, 01:35 PM
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Yea definitely check the rear bags for leaks. If you see any wear marks or threads showing, they need to be replaced. You can spay them down with soapy water and check for bubbles.
You don't want the compressor to run too much or it will burn out.

Ride height calibration won't change the amount the compressor runs. The system will just pump up until the programmed ride height is reached regardless of what the value is...
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  #86  
Old 05-10-2014, 03:47 AM
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i have to check my ride height and make sure it is set to OEM specs. i just noticed my rear tires have excessive wear on the inside. i do notice the rear wheels have a little negative camber. i thought that was normal for these vehicles. i just ordered a set of DWS and will getting an alignment after checking the ride height.

Les Shwab a safe bet?
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  #87  
Old 05-10-2014, 09:09 AM
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Excessive wear on the inside of the rear tires usually indicates that the rear ball joints need to be replaced.
You can use a tape measure to verify the ride height. Here are the values in mm:

_______________ 17"____18"____19"____20"___these are wheel sizes
front axle_______685____697____710____722
rear axle________687____699____712____724
sport fr_________670____682____695____707
sport rr_________672____684____697____709

EDIT: forgot to tell you to measure from the bottom lip of the wheel to the bottom of the wheel well opening...
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Last edited by sockethead; 05-10-2014 at 09:32 AM.
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  #88  
Old 05-10-2014, 09:20 AM
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to the guy above socket, the wear on the inside of your tires has nothing to do with your ride height, or camber.

zero out the toe in the rear of the car and make sure you don't have worn wishbone or worn lower ball joints, and get an alignment, camber within spec, toe set to .01, you will save your new set of tires.
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  #89  
Old 05-10-2014, 09:29 AM
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whats the difference between front axle and sport fr values above?
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  #90  
Old 05-10-2014, 09:35 AM
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btw im at 77k miles. i would like to get it at the correct ride height, install the new tires, and get it on the alignment rack to see the specs and / or if there are any suspension issues. my rear might be sitting a little low
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