Two problems related to coolant leaking have been reported for the 1999 Buick Lesabre. The most recently reported issues are listed below.
While parking consumer noticed coolant leaking from underneath the vehicle. Consumer started up the vehicle and engine check light appeared on the dashboard and remained on. Consumer had the vehicle towed to the dealer for inspection, and mechanic determined that valve gasket needed to be replaced due to a worn out part.
While parking consumer noticed that coolant was leaking from underneath the vehicle. Consumer started up the vehicle, and engine check light appeared on the dashboard and remained on. Consumer had the vehicle towed to the dealer for inspection, and mechanic determined that valve gasket needed to be replaced due to a worn out part.