Baby Alex Posted December 21, 2006 Share Posted December 21, 2006 Hi, I have a 93LS400 with air suspension. It has two settings, one to ride high or one to ride low. When I set it to high it works properly. When I set it to low the rear end sinks to the ground a few hours after I shut the car off. I believe three of the air shocks have been replaced. One of the rears is original I believe so maybe it just needs to be replaced but I am wondering if there is some sensor of some sort that could be malfuctioning instead of just the shock. I say that because all four shocks work perfectly when set to high but malfunction in the rear (while car is off) when set to low. Any ideas? By the way, it actually did sink in the rear once when the car was on and driving (this was while set to "low" setting) but I pulled over, set it on high and it's been fine ever since. Thank you Quote Link to comment Share on other sites More sharing options...
tdkarson Posted February 27, 2007 Share Posted February 27, 2007 I've got the same... how did you resolve the problem? Thanks, Tom Hi, I have a 93LS400 with air suspension. It has two settings, one to ride high or one to ride low. When I set it to high it works properly. When I set it to low the rear end sinks to the ground a few hours after I shut the car off. I believe three of the air shocks have been replaced. One of the rears is original I believe so maybe it just needs to be replaced but I am wondering if there is some sensor of some sort that could be malfuctioning instead of just the shock. I say that because all four shocks work perfectly when set to high but malfunction in the rear (while car is off) when set to low. Any ideas? By the way, it actually did sink in the rear once when the car was on and driving (this was while set to "low" setting) but I pulled over, set it on high and it's been fine ever since. Thank you Quote Link to comment Share on other sites More sharing options...
SKperformance Posted February 27, 2007 Share Posted February 27, 2007 try adding some green slime to the line and it should find the leak. it worked for another member. Quote Link to comment Share on other sites More sharing options...
wwest Posted February 27, 2007 Share Posted February 27, 2007 The rear inflate/deflate solenoids are in the trunk under the mat, check those first. Quote Link to comment Share on other sites More sharing options...
Baby Alex Posted February 14, 2008 Author Share Posted February 14, 2008 The rear inflate/deflate solenoids are in the trunk under the mat, check those first. How do you check those? Quote Link to comment Share on other sites More sharing options...
VRicherson Posted July 8, 2008 Share Posted July 8, 2008 Bumping old topic. Dealer tells me I have a sensor issue on the right rear and wants to replace for $400 parts and $150 labor. They aired up the suspension manually using a computer but it drops and stays low always otherwise. Any advice? Quote Link to comment Share on other sites More sharing options...
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