do the zerex and distilled water....then you have a new baseline record...and really can forget about it for 3 years.....

i would buy some flush.. drain the existing coolant out and put in flush and drive for a week with water/diluted coolant....

then flush with tap water...then do the zerex and distilled...

i don't know why people are afraid to spend 25 dollars to do their coolant every 3 years... i notice this time and again..

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


[/SIGPIC]