Air Suspension Calibration

[Partridge]

I have a hard time understanding the Air Suspension Calibration function. None of the stated values are even close to the real life measurements on my car. While the scan states that all 4 wheels are at 380mm +/- 2mm, when I measure, like the info box tells me, the front is 430mm and rear is 480mm. Is the reading wrong, am I measuring incorrectly? Like the box says, I measure from the center point of the wheel, straight up until I hit the black plastic on the fender around the wheel house. Volvo V90 CC MY18

V90 CC, looked it up, one oem size is 235/50R19. That works out to a diameter of 718mm, or a radius of 359mm. So if you’re measuring 430-480 that means you should have a fender gap about 7cm front and 12cm rear. Does that seem right? I haven’t seen a CC in a while but it seems a little high to me.

In any case, air suspension calibration may be of minimal use to you as I believe they only have air in the rear with conventional front suspension.


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