Two problems related to defogger heater have been reported for the 1999 Lincoln Town Car. The most recently reported issues are listed below.
The contact owns a 1999 Lincoln Town Car. While driving at an unknown speed, smoke emitted from the air vents and caused the vehicle to overheat. The coolant also drained onto the floor of the vehicle. The dealer stated that the heater core failed. The vehicle was repaired, but the failure recurred five times. The manufacturer was notified. The approximate failure mileage was 105,824.
Heater core failure. This causes vapor and odor from the engine coolant to leak through the vents and to coat the windshield with an oil-like substance making it impossible to see through the windshield. Heater core was replaced 10/04/04. Went out again 11/24/04. Ford motor company acknowledges that this is a recurring problem in this model vehicle. $737. 54 to have heater core replaced. They 'think' they can prevent this from occuring again if they do something else that will cost me an additional $547. 00, but 'no guarantee' that it won't happen again and no additional warranty on the heater core.