Do I have an ELC problem? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 07-10-2006, 10:57 AM   #1
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Default Do I have an ELC problem?

After reading in this thread ( http://www.bonnevilleclub.com/forum/...139&highlight= ) I saw a comment that the ELC will run after key on for a short time to pressurize the struts. Mine used to do this, but after I got new rear ELC struts, it does not. I'm pretty sure the ELC still works... it'll come on when I've got three people in the back going to lunch. Paranoia?
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Old 07-10-2006, 11:00 AM   #2
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yes the typical pressurazation time is 3-5 seconds.....maybe because of the new struts you dont have a leakdown....but the pump still should kick on....i believe you have to wait 37-45sec (the numbers may not be 100% accurate) but its close to that time frame...
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Old 07-10-2006, 11:02 AM   #3
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Default Re: Do I have an ELC problem?

Quote:
Originally Posted by J Wikoff
After reading in this thread (http://www.bonnevilleclub.com/forum/...139&highlight=) I saw a comment that the ELC will run after key on for a short time to pressurize the struts. Mine used to do this, but after I got new rear ELC struts, it does not. I'm pretty sure the ELC still works... it'll come on when I've got three people in the back going to lunch. Paranoia?
this is controlled by the elc switch, easy to test. get another switch, plug it in (don't have to mount) then put key to run. should work now. mount new switch.

Not positive if it'* the same for you vintage though. This is how the 96+ are supposed to work.
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Old 07-10-2006, 11:04 AM   #4
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also, this function is overridded by the level switch. It will either go to immediate fill, purge, or the nominal pressurization
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Old 07-10-2006, 11:09 AM   #5
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On the 96+ the FSM says that upon igintion on..the timer delay starts, after 27-35 seconds the system will run for 3-5 seconds to "repressurize".

I notice that my system will purge for a millisecond before repressurizing.

There is a pressure limiting valve or switch as well... I may be close to max pressure.
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Old 07-10-2006, 11:16 AM   #6
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Quote:
Originally Posted by BillBoost37
I notice that my system will purge for a millisecond before repressurizing.
welcome to your own thread

http://www.bonnevilleclub.com/forum/...139&highlight=
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Old 07-10-2006, 11:52 AM   #7
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Quote:
Originally Posted by sonoma_zr2
Quote:
Originally Posted by BillBoost37
I notice that my system will purge for a millisecond before repressurizing.
welcome to your own thread

http://www.bonnevilleclub.com/forum/...139&highlight=
Thanks for the update I hadn't seen yet
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Old 07-10-2006, 12:05 PM   #8
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John, keep in mind that unlike the 95-99 cars, the 92-94 will maintain ride height with the ignition off.
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Old 07-10-2006, 12:28 PM   #9
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So, why did mine like to run after key-on before? If it was leaking, which it was, wouldn't it have likly run before I even got in the car?
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Old 07-10-2006, 12:36 PM   #10
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Quote:
Originally Posted by J Wikoff
So, why did mine like to run after key-on before? If it was leaking, which it was, wouldn't it have likly run before I even got in the car?
you are correct. yours will run whenever it needs to. so in reality, yours should alway "be up", unless it is a really huge leak.
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