Heard a groaning/whining sound in the SE today while driving around town. Checked PS fluid level thinking it may be low, but I find plenty in the resevior. Problem is, its very bubbly with a froth on top. That can't be good, right? Get back in the car and everything is normal again. I have always used ATF dexronIII. YES, I know I should be using proper power steering fluid...

So I guess ill go ahead and put new fluid in, and maybe flush the system as well.

Any ideas on what happened here?

Mike

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'90 300SE 298k
-300K and it gets put into retirement.
'80 300D 255k Purchased new by family in 1980.

Had a:
1973 220 (gas)
1980 300SD
1992 400E