LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Another air suspension problem

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Old 08-28-10, 12:09 PM
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deanshark
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Default Another air suspension problem

Before anyone goes crazy, I did search and couldn't find what I need to know. I'm wondering if it's an easy fix that I can't seem to figure out.
I jacked the front of the car up and put on stands. I forgot to turn off the auto adjust in the trunk. After about an hour I noticed the back was way low, when I was done I lowered the front and now it's sitting way too low. The drivers side is even lower then the passenger side. My question is, is there a way to get this thing back up or did I blow something out? Before this the air was working perfect. It's a 93 with 123k miles. If this has been answered before I'm sorry but I didn't see it. Thanks for any help.
Old 08-29-10, 08:36 AM
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deanshark
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It's back to normal now, I hope. For some reason, no idea why, the compressor wasn't filling the shocks back up. No codes came up on it. After checking so many things (theres gotta be a thousand plugs) I just flipped the height adjust switch to high and after about 3 minutes it started to raise. (It's supposed to be 40 seconds complete.) Put the switch back to normal and it dropped to the right height. This didn't work last night when I tried it. As soon as I can afford it, this stuppid air suspension is coming off.
Old 08-29-10, 12:30 PM
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Asia-H.T.
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just a thought; a height sensor. normally the arms allways remain at driving height. maybe it isn't functioning properly when it's fully extended by jacking up. Had a similar problem on a LS430 sometime ago. Allthough your problem may be different..
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