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  #1  
Old 06-02-1999, 08:06 PM
SYDDONNA
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When starting-- the suspension system pumps the car up from nose down--how long on average after switching off engine should it talk for system to reach nose down again--mine seems to be about 48hrs and I'm trying to find out if that is about right or whether I have a problem

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syd 81.300SD
72.300SEL 4.5
  #2  
Old 06-02-1999, 08:46 PM
M.B.DOC
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According to M.B. the suspension should stay up for 30 days if the system doesn't leak!!
The most common leak is at the leveling valves. The car has three valves & a master control valve that can leak.
  #3  
Old 06-02-1999, 10:25 PM
SYDDONNA
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must have leak ---can you tell me where valves and master are located---my solution would be to fully charge the system then check all pipes and joints with a soapy solution and watch for bubbles--do you think this is feasible---syd

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syd 81.300SD
72.300SEL 4.5

[This message has been edited by SYDDONNA (edited 06-02-99).]
  #4  
Old 06-02-1999, 10:48 PM
Benzmac
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This is a very good way to check it, just do as you say. Crank the car and pressurize it and then turn engine off. Use a non-flammable solution to spray on and watch for the bubbles!! Good luck.

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM


  #5  
Old 06-03-1999, 12:21 PM
SYDDONNA
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I followed cable back from lift control knob to a unit which I assume is the main control valve---this has a selector unit on it with three positions--two dimples and a slot--with a ball locator-- noticed the ball was only half in slot---repositioned and recharged system marked tires with chalk as reference--the above unit is fed by a hose from a unit in front---which has fluid in it ---QUESTION--what is this fluid and how high in the resevoir should it be ---it appears to be down the bottom and fairly empty

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syd 81.300SD
72.300SEL 4.5
  #6  
Old 06-03-1999, 09:48 PM
M.B.DOC
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The fluid reservoir uses alcohol to keep water that has been condensed from the air compressor from freezing & damaging the suspension system. There is a drain at the bottom of the air reservoir, just push it to let the water out. Don't get wet!!
  #7  
Old 06-03-1999, 10:17 PM
SYDDONNA
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MB DOC and BENZMAC thanks for all your help---- looking good --I think I have a working system ---it will be interesting to see how long it stays up ----the engine runs and the suspension works-everything else needs fixing ---IT only cost $250-onto the brakes next---thanks again

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syd 81.300SD
72.300SEL 4.5

[This message has been edited by SYDDONNA (edited 06-03-99).]
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