Thread: 1998 W140 S320 Oil in coolant reservior
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Old 03-26-2011, 03:14 PM
porkface porkface is offline
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Join Date: Nov 2002
Posts: 881
if you have a water cooled oil cooler, look there first. they burst internally and allow oil-60-80 psi, into the cooling system-15-18 psi. good luck, chuck.
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