Buick Lacrosse owners have reported 2 problems related to vehicle overheat (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Buick Lacrosse based on all problems reported for the Lacrosse.
The engine fan would come on after driving the car for a couple days, finally while driving the car the engine light came on and the car started running on reduced power and the car overheated. A leak was found in a hose and was replaced but yet the car still continues to overheat rapidly.
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My car overheated and the coolant system light came on plus the service oil light came on check engine light came on. I put coolant in the car but after 30 mile driving it done it again and now I hear noise under my car while driving after I let the car sit fo 30 mins to cool off just so I can make ot home.