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Old 11-14-2000, 06:00 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Coolant pressure is forcing EXCESS coolant from the system. It's going out the overflow hose whenever the engine is hot enough to push cap open. The latest cap for W123 is 120 & that is equal to 17psi.
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