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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-11-2009, 04:48 PM   #11
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MY 1996 pontiac bonneville elc is not working properly both touring and performance rides are light up. also just purchased brand new compressor but there is no air going to rear shocks? bad elc loose connection what could it be. also disconnected the air cable going to rear strut while compressor was running no air what could the problem be? Inflator timer relay? ELC position E? Elc height sensor?
You know what I'm having the same problem in my 1993 SSEI bonne. I checked my pump - works - I checked all hoses and airlines - (works - no leaks) - fuses - (all good) my compressor won't turn on. What I figured it might be this lil black box next to the right rear shock with a level thats hooked up to the suspension and its ran electronically to the air compressor (I believe) and what I suspect is this lil box has gone bad. - does anyone know what that lil black box is called - I cant seem to find one and if anybody knows where to get one I would be more than happy to order one.
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Old 03-13-2009, 07:11 PM   #12
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thats too low isnt it? the elc
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Old 03-13-2009, 07:22 PM   #13
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does anyone know what that lil black box is called - I cant seem to find one and if anybody knows where to get one I would be more than happy to order one.
This is called the Suspension Position Sensor. You can look on eBay or try the dealer or a local salvage yard.
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Old 03-16-2009, 01:49 PM   #14
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im noticing that im missing the small valve "pressure limiter valve? how inportant is this to the suspension?
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Old 03-18-2009, 07:34 PM   #15
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GOT the pressure limiter valve today. got it off an 1997 ponti. SSE. installed it. I turned the ignition in run mode waited a couple sec. compressor turned on for about 6 sec. (i heard it) then shut off. i ran my own test on it today, what i did was i added about 200 Lbs. of weight. waited for the compressor to turrn on after the weight was added to the trunk. HENCE it never came on it just seems to come on once. after ive turned the ignition over? My question is, are the struts noticible when air is in them how much will they raise how much height gain am i looking for? the rear still to me looks too low. Maybe a bad height sensor?
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Old 03-18-2009, 07:34 PM   #16
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A spray bottle with soapy water will find a leak real fast.
GOT the pressure limiter valve today. got it off an 1997 ponti. SSE. installed it. I turned the ignition in run mode waited a couple sec. compressor turned on for about 6 sec. (i heard it) then shut off. i ran my own test on it today, what i did was i added about 200 Lbs. of weight. waited for the compressor to turrn on after the weight was added to the trunk. HENCE it never came on it just seems to come on once. after ive turned the ignition over? My question is, are the struts noticible when air is in them how much will they raise how much height gain am i looking for? the rear still to me looks too low. Maybe a bad height sensor?
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Old 03-18-2009, 07:45 PM   #17
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HENCE it never came on it just seems to come on once. after ive turned the ignition over? My question is, are the struts noticible when air is in them how much will they raise how much height gain am i looking for? the rear still to me looks too low. Maybe a bad height sensor?
The ELC is not intended to add height per se, it does adjust height based off of weight, and it does have its limitations. You can easily test the ECL by raising the vehicle, removing the drivers side rear tire, disconnect the pivot arm and then manualy move the switch leveler with the ignition on.
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