why not just use detergent then copious amounts of water? Personally, i would not put citric acid followed by a buffer in my coolant system. W/o a pH meter you'll never know if you put in too much 'buffer' to neutralize the citric acid. -matthew chemist Doktor Tim wrote: > At 01:48 PM 11/04/2003, you wrote: > >> Hi all, >> >> Does anyone have a recommendation for how to clean out the >> cooling system on an '84 Westy while the engine is out being >> rebuilt? > > > Mecedes calls for use of dilute citric acid to remove oil deposits from > cooling systems for their diesels. It requires follow up with a buffering > solution and thorough rinsing. It says repeat if necessary. This is a > procedure that will insure results. Like so many such procedures, it is > much easier to say than to do properly. > |
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