Last weekend I replaced the hose from the hydraulic oil reservoir to the tandem pump. The hose was kinked shut so there was no oil returning to the tank as none was getting to the pump. Now it is flowing nicely.

The SLS system still did not seem right to me as it would not return to a level position after loading my sons in the back of the wagon. So yesterday I disconnected the link from the swaybar to the level controller. After messing with it for about 20 it was returning fluid with bubbles to the tank. At that point it would raise and lower the back of the car.

Operating the level controller manually, it lowers in a few seconds but raises the car very slowly at first. After about 10 seconds it raises the car at a 'normal' (hard to explain what normal is... let's say perceptible)

Does this sound like issues with air still in the system, the level controller, the pump, or all of the above? I do not have a means of measuring the pressure suppled to the level controller as the W124 CD suggests. Does someone have another way to deduse where the problem is?

Thanks!

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Tim Benner

00 ML320 170K
95 E320 wgn 160K