[MBZ] sls troubles 300td 1982

2014-04-18 Thread Rick Hawkins Java

So what kind of damage could be done to the pump?

it's a pretty simple device  pounding around of the pistons or  
something


the lever is moved all the time when you drive around and hit bumps,   
no matter how heavy or  light you use it, i would think


lack of the dampening action of the spheres?

i would think a hose would fail before the valve

it still rises when the engine is running and goes to correct height  
even with several hundred lbs of load in the back

thanks,

xx rick
Rick Hawkins


On Apr 18, 2014, at 4:12 PM, mercedes-requ...@okiebenz.com wrote:




From: Scott Ritchey ritche...@nc.rr.com
Date: April 18, 2014 2:50:27 PM EDT
To: 'Mercedes Discussion List' mercedes@okiebenz.com
Subject: Re: [MBZ] sls troubles 1982 300td
Reply-To: Mercedes Discussion List mercedes@okiebenz.com


If it rides hard (feels like the axle is welded to the frame)   
that is
caused by one or both failed spheres.  The bad news is that failed  
spheres

will damage the SLS valve if you drive it long with bad spheres.



Max

I may very well have a problem with the valve too BUT the fact that
the RIDE is like a washboard is indicative of bad accumulators, is it
not?


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Re: [MBZ] sls troubles 300td 1982

2014-04-18 Thread Mitch Haley

Rick Hawkins Java wrote:

So what kind of damage could be done to the pump?

it's a pretty simple device  pounding around of the pistons or 
something


the lever is moved all the time when you drive around and hit bumps,  no 
matter how heavy or  light you use it, i would think


lack of the dampening action of the spheres?

i would think a hose would fail before the valve



It's the control valve that gets damaged by the pressure spikes.
When I bought my 2.3-16, it had dead spheres and a valve that wouldn't hold 
pressure. I got a used valve from somebody who downgraded to lowering springs, 
and new spheres. When those spheres died, I let the tire pressure down to 20 psi 
and drove it carefully 6 miles to the cottage to store it. When I got there, the 
suspension was flat again, that 'gentle' drive to the lake killed the 
replacement control valve. IIRC, my W201 uses S123 spheres and S124 control 
valve, and the 124 valve isn't rebuildable.


Mitch.

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