2004 Lincoln Aviator Problems
RepairPal has identified the most common problems with the 2004 Lincoln Aviator as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.Refine by vehicle
An exhaust leak may develop in front of the catalytic converter. This type of leak should be corrected as soon a possible to avoid damaging the catalytic converter.
Erratic engine coolant temperature or intermittent overheating can be caused by corrosion inside the water pump. The impeller may spin on the water pump shaft or the impeller may corrode. Either condition reduces coolant circulation resulting in engine overheating.
coolant, pump, water, engine, overheat, damage, corrosion, impeller
In high dust areas, problems with the EGR system are common. The filter for the EGR solenoid may plug and cause the EGR to activate when it should not; this can cause the engine to stall. The dirty filter should be replaced to correct this concern.
A cosmetic crack may develop on the plastic liftgate trim panel. Lincoln has released a service procedure to replace the applique without damage the the liftgate glass.
We have had several reports of the brake lights staying on at all times, even when the engine is turned off. We have not found the cause of this issue yet, but these problems normally result from a sticking brake light switch. If your brake lights are stuck on, try to see if anything is interfering with the brake light switch, or if it has become dislodged.
Checking and adjusting the AC compressor clutch air gap can extend the service life of the AC compressor.
Incorrect cabin temperature can be a result of a broken temperature blend door. Our technicians tell us if this occurs, the complete heater case will need to be replaced.
A frozen shift lever may be caused by either a bad brake switch or a broken gear lever mechanism. If the switch is bad it will not send the correct signal to allow you to shift. The solution is to replace the switch. If the switch is good, you will most likely have to replace the shift lever mechanism itself.
Due to age and possible damage during removal, it is recommended to replace the spark plug boots when replacing the spark plugs,