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-   -   Engine Cooling System Maintenance (http://www.peachparts.com/shopforum/showthread.php?t=6613)

Fred Prickett 03-08-2000 03:09 PM

The Pro's Tech Tips has an excellent dissertation on braking systems maintenance. How about doing a similiar one on Benz engine cooling systems maintenance?? Include such items as periodicity; how to properly flush out the system (DIY vs. professionally, and is reverse-flow recommended ??); flushing agent to use (I understand M-B sells an excellent citric acid flush, but I've been told it is rather costly; also, how caustic is it??); recommended frequency for flushing vs. just draining; antifreeze choices; and any additional cooling system additives recommended?? I'm sure many of us are thinking about the warm weather months fast approaching, and in those cases where we own an all-aluminum V8, cooling system efficiency, as you well know, is critical. Thanks.

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Fred Prickett
85 500 SEL, 241,500 mi
90 5.0 Mustang LX conv.

mbdoc 03-08-2000 07:44 PM

The MB citric acid powder lists for $18 & should be used every other coolant flush. Any all aluminum engine like the 85 500SEL has should use this type of flush.

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MERCEDES BENZ MASTER GUILD TECHNICIAN
ASE MASTER TECHNICIAN
27 YEARS DEALER M.B. TECH
190E 2.3 ITS RACECAR



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