Air Suspension question - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 01-20-2007, 05:43 AM Thread Starter
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Date registered: Jan 2007
Vehicle: 1970 European 300SEL
Location: Central Virginia
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Air Suspension question

!970 300SEL contiues to settle on the suspension after all four airbags replaced.
No leaks are noted vehicle will settle down between 30 minutes and sometimes a
few hours. Anyone have a clue where to begin the hunt? Regards, Steve
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post #2 of 2 (permalink) Old 01-24-2007, 03:09 AM
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Date registered: Jun 2004
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It's as simple as looking for leaking air.
Start at the main valve and squirt soapy water on it.then do the same at the three height valves,two at the front and one at the rear.
Then look at the main reservoir under the left front fender.It has a non return valve in the hose between the compressor and tank,then check the three rubber hoses between the main valve and the front axle assembly ( left hand lower side.)
If that is difficult or you cannot find the leak ( I suspect the bags are not seated properly or the steel loines have NOT had the O rings replaced) go to Chris Johnsons site here and see how this airspring expert does it.
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