Question about 2000 Oldsmobile Silhouette
I have 2000 Olds silhouette. The weather is nice outside, about 70, and my van is showing that it is overheating. Whats up?????
Classic sign of a failed thermostat; it is not opening as it should when reaching its design point of 160-180 degrees F so very little is passing through a tiny hole to the radiator, leaving it cold to the touch.
If you remember the good ol' days, the temperature gauge would rise to a perdictable point and pretty much stay there regardless of ambient temps.
They can fail open too; then the engine never completely warms up and the gauge then wanders and your gas mileage tanks.
Just replaced one that didn't play fair since its failure was semi-random; sometimes it worked, sometimes not. Your thermostat is being kind; it's stuck and this condition is crystal clear.
Posted on Oct 07, 2008
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