Having problems with your 1999 Cadillac DeVille ?

Engine coolant is fine until I drive my car up a 700 foot hill. Three times it has gonefrom 203 to 260 in a matter of three minutes. Themostat was just changed. 61 K on car , fans are operating normally. Coolant comes out of the overflow. Doesn't appear to come our of block gasket

Posted / edited by AnonymousUser on : 16-07-2018

Answers :

Radiator may be plug up. that what it sound like
Repair Help & Product Troubleshooting for 1999 Cadillac DeVille

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