Thanks for all info! It may be a while but I will let you know the outcome.
> On Sep 11, 2019, at 1:06 PM, Meade Dillon via Mercedes > <firstname.lastname@example.org> wrote: > > Concur with all the answers regarding the control valve, but if your SLS > pump cannot rebuild pressure within a couple minutes of running, your pump > may also be weak and needs to be either rebuilt or replaced. > > A good check for the health of the control valve: After engine shut-down > (assuming the rear suspension height is correct / pumped up to normal) > check the reservoir under the hood, and observe if the return line is > dripping. Some dripping will be normal, but if it keeps on dripping a > steady drip, the base pressure valve has failed and that is why the rear > end leaks down and sags. On my euro '85 wagon, I could watch through the > reservoir lid for the dripping, but on US models and other years, I think > the reservoir is different so you may need to remove the line so you can > let it drip into a cup or something. > ------------- > Max > Charleston SC > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com