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Old 06-01-2021, 05:38 AM   #4
paulofto
2003 S, Arctic Silver, M6
 
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Join Date: Oct 2014
Location: Winnipeg, MB, Canada
Posts: 1,346
Garage
Best advise I can give is check your coolant cap is the newest available with the part number ending in 04. Older caps are know to fail, some suddenly, and spilling coolant well below the pressure desired. Yours might be releasing vapour and you may never see actual liquid.
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