Thanks Hitman. Sorry for the silly questions, but where do I attach the rubber hose? Do I attach to the bleeder valve at the back of the car?

Also, what cheap fluid should I use to flush? Is there a particular sort of hydraulic fluid, or will any sort do for flush? I understand MB is particularly proud of their fluid, so I would prefer to only use it for the final fill-up.

BTW; I got the suspension doo-hickey in the rear, attached to the sway bar, unfrozen. It had been gunked up, and was not moving the linkage attached to it. I cleaned that up and tested it, and it was clearly lifting the suspension when I pushed/pulled on the valve arm. That said, the rear suspension still "clunks" when I roll over bumps/holes in the pavement; even very small ones. This seems particularly evident on the right side. I looked at the shocks, and both seem to have had a split in the rubber accordion sleeve at the bottom of the shock, but there doesn't appear to be any fluid leaking from either one. I noticed that the fluid in the reservoir is a little low; could the lack of sufficient fluid be causing the clunking?

Thanks!

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1990 MB 560 SEL
1985 MB 300D (r.i.p)
1999 Audi A4