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Old 06-01-2002, 10:40 PM
CarolinaMBZ CarolinaMBZ is offline
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Join Date: May 2001
Location: Charleston, SC
Posts: 237
Easy power steering fluid flush method on w124s

P/S fluid flush on w123s is quite easy by removing reservoir fluid return hose and flushing old fluid into bottle as you add new. On the 400E however, this fitting and hose was solid tubing with very limited access to fitting fasteners.

After diligent search here and other places for proper method and finding none, I improvised. Solution that worked for me was after removing fluid in reservoir by suction (and filter of course), I simply inserted 3/8 inch (approx.) clear plastic tubing into cavity where return line entered reservoir and this (b/c of tight fit) allowed fluid to be returned into bottle instead of reservoir in the same way as W123 method.

Hope this helps anyone that needs to do this with filter change (which is everyone with more than 30K on their car who hasn't already).

I, of course, don't have to worry about this on the 67 Finny 200D that I got today, it has no power steering.
2008 GL320CDI 6K
1970 280SL 112K
1982 240D 210K (Sold)
1973 220D 220K (Sold)
1967 200D 160K (Sold)
1992 400E 139K (Sold)
1988 300E 148K (Sold)
1987 300D 257K (Sold)
1991 300E 108K (Sold)
1987 300E 131K (Sold)
1978 300D TMU (Sold)
1980 300D TMU (Sold)
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