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Old 05-08-2004, 10:34 PM
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Air Ride Suspension question....????

If a car has air ride suspension in the front. How do you maintain the correct alignment if the you are able to ajdust the ride height?

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Old 05-09-2004, 05:29 AM
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The alignment will naturally change if the ride height is changed.
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Old 05-09-2004, 01:14 PM
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No one else has answered this, so let me offer a theory since I have no immediate experience with this new fangled air ride systems you youngsters are so wild about...

I would imagine that the suspension is designed to operate mainly at one trim height. So there would be your proper settings. If the system is designed to vary trim height as it is driven, I would assume the settings change and the driver should be aware of this. If it is designed to slam when you shut it off (park it) and then raise when ready to drive off, there would be no damage done.

The MARK VIII's used a system where the trim height was lowered as the car accelerated. There had to be a medium designed into the front and rear suspension (IRS) to allow for the height changes.

This is conjecture only mind you and your mileage may vary...
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Old 05-10-2004, 02:22 PM
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KULTULZ hit it on the head. All you do is set the car/truck at the ride height you want, then remember the pressure it is at so you can get it there all the time, then take it to get alligned. The fact of it going up and down is of no concern since every car does it all day long on the road, you just have to make sure you get it back to the same height for the correct allignment.
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Old 05-10-2004, 02:58 PM
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Just to add a bit to the good answers above...air ride systems, for the most part, all have control panels/gauges which show the air pressure in the front and rear bags along with switches which allow you to fill or empty the bags. As noted above, you set the car at the ride height (front and rear air pressures) you intend for general driving and then take it to the alignment shop. From that point on, you simply reset the the pressure in the bags to match the originals every time you go out on the road. Actually, I have varied my settings by up to 5 lbs of pressure on either side of the original without any noticeable change in steering, ride, etc.
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