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Engine overheats only over 70 mph, not at 55 mph. temp gradually rises 2 notches
2005 Cadillac DeVille DTS

Engine overheats only over 70 mph, not at 55 mph. temp gradually rises 2 notches

(2005 Cadillac DeVille)
occurs when driving 15 miles or so at 70+ mph, goes back down at 55- mph to normal temp.
What seems to make the problem better or worse? ddriving over 70 mph causes temp to rise above normal, overheating after a few miles at 70+
Tags: overheats over 70 mph, not at 55 mph, cadillac, deville dts
1 answer & 0 comments
Popular Answer
on July 04, 2019

Drive slowly.
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General Diagnosis
$88 - $111 Learn More
on July 04, 2019

Drive slowly.
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Took it to the caddy dealership and to fix this is around 1100 dollars.