I have to agree with Suginami. Bet you a dollar to a dime its time for a radiator. They don't last forever and on top of that the money you spend recoring that old one, your much better off with a new one. And when you look at the temp guage all you'll be able to do is smile.

Keith D

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1989 420SEL 105575 miles
Pearl Black/Grey

1990 Chevrolet E-Cab C-1500
293,000 miles

1989 Olds Toranado Trofeo'
132,000 miles