2018 Lincoln MKX
Okay, here’s a breakdown of common issues and complaints for the 2018 Lincoln MKX, categorized and formatted as requested. The 2018 Lincoln MKX, later rebranded as the Nautilus, is a mid-size luxury SUV. Two engine options were available: a 3.7L V6 producing 303 horsepower and 278 lb-ft of torque and a 2.7L Twin-Turbocharged V6 producing 335 horsepower and 380 lb-ft of torque. Both engines are paired with a 6-speed automatic transmission. Owners generally appreciate the MKX’s comfortable ride, quiet cabin, and luxurious features. Common dislikes include the somewhat dated infotainment system (before the Nautilus refresh) and some reliability concerns.
Engine
3.7L V6
- Oil Leaks
- Description/Symptoms: Oil leaks may occur from various locations, including valve cover gaskets and the oil pan. Symptoms include visible oil leaks, oil consumption, and the smell of burning oil.
- Solution: Replacing the leaking gasket or seal.
- Estimated Cost to Fix: $150 - $600+ depending on the source of the leak and labor.
- Recalls: None Found
- Water Pump Failure
- Description/Symptoms: Coolant leaking from the front of the engine, overheating, engine noise.
- Solution: Water pump replacement.
- Estimated Cost to Fix: $400 - $800+
- Recalls: None Found
2.7L Twin-Turbocharged V6
- Coolant Intrusion into the Engine
- Description/Symptoms: Some owners have reported coolant intrusion into the engine due to cracking or corrosion within the cylinder head. Symptoms can include white smoke from the exhaust, rough running engine, and coolant loss. This is a serious issue that can lead to engine damage.
- Solution: Requires extensive engine repair, potentially including cylinder head replacement or engine replacement.
- Estimated Cost to Fix: $2,000 - $8,000+ depending on the extent of the damage and the repair needed.
- Recalls: None Found
- Turbocharger Issues
- Description/Symptoms: Whining noises from the turbochargers, loss of power, boost leaks, or turbocharger failure.
- Solution: Turbocharger replacement or repair.
- Estimated Cost to Fix: $1,500 - $3,500+ per turbocharger.
- Recalls: None Found
- Oil Leaks
- Description/Symptoms: Oil leaks from turbocharger oil lines and seals are common.
- Solution: Replacing leaking lines and seals.
- Estimated Cost to Fix: $300 - $800+
- Recalls: None Found
Transmission
6-Speed Automatic Transmission (Both Engines)
- Harsh Shifting/Jerking
- Description/Symptoms: Some owners experience harsh or jerky shifting, particularly between certain gears.
- Solution: In some cases, a software update or transmission fluid change can resolve the issue. More severe cases may require valve body repair or replacement.
- Estimated Cost to Fix: $100 (fluid change) - $2,000+ (valve body)
- Recalls: None Found
- Transmission Slipping
- Description/Symptoms: Transmission slipping during acceleration or when changing gears.
- Solution: Could be caused by low fluid or worn clutches. May require a rebuild or replacement.
- Estimated Cost to Fix: $3,000 - $6,000+
- Recalls: None Found
Suspension
- Adaptive Suspension Malfunctions (If Equipped)
- Description/Symptoms: If equipped with the optional adaptive suspension, some owners have reported issues with the system malfunctioning. Symptoms include a rough ride, error messages on the dash, and uneven ride height.
- Solution: Requires diagnosis and repair of the adaptive suspension components, which may include struts, sensors, or the control module.
- Estimated Cost to Fix: $500 - $2,000+ depending on the specific component needing repair.
- Recalls: None Found
Electrical
- SYNC 3 Infotainment System Issues
- Description/Symptoms: Freezing, slow response times, Bluetooth connectivity problems, and general unresponsiveness are common complaints.
- Solution: Software updates can sometimes resolve these issues. In some cases, the APIM (Accessory Protocol Interface Module) may need replacement.
- Estimated Cost to Fix: $0 (software update) - $800+ (APIM replacement).
- Recalls: None Found
- Battery Drain
- Description/Symptoms: Premature battery failure or excessive battery drain, leading to difficulty starting the vehicle.
- Solution: Diagnostic testing to identify the source of the drain, which may involve parasitic draw testing. The faulty component causing the drain will need to be repaired or replaced.
- Estimated Cost to Fix: $100 - $500+ depending on the source of the drain.
- Recalls: None Found
- Backup Camera Failure
- Description/Symptoms: The backup camera image may become distorted, flicker, or fail completely.
- Solution: Replacing the camera.
- Estimated Cost to Fix: $200 - $600+
- Recalls: None Found
Exterior
- Liftgate Issues
- Description/Symptoms: The power liftgate may fail to open or close properly, or may make unusual noises.
- Solution: This could be due to faulty struts, sensors, or the liftgate motor. Replacing the affected component.
- Estimated Cost to Fix: $200 - $800+ depending on the part.
- Recalls: None Found
- Sunroof Leaks
- Description/Symptoms: Water leaks into the cabin around the sunroof.
- Solution: Cleaning the sunroof drain tubes to make sure they are clear of debris. Replacing the sunroof seal if damaged.
- Estimated Cost to Fix: $100 - $500+
- Recalls: None Found
Interior
- Seat Heater/Cooler Malfunctions
- Description/Symptoms: Front seat heaters or coolers may stop working or function intermittently.
- Solution: Replacing the heating/cooling element or related module.
- Estimated Cost to Fix: $200 - $700+ per seat.
- Recalls: None Found
Summary:
The 2018 Lincoln MKX has some potential problem areas to be aware of. The engine issues, particularly coolant intrusion on the 2.7L EcoBoost, are the most concerning due to the potential for high repair costs. Electrical issues with the infotainment system can also be frustrating. Transmission issues, while less common, can also be expensive to address. While not every MKX will experience these issues, a thorough inspection and maintenance history review are recommended before purchasing. Consider a pre-purchase inspection by a qualified mechanic to identify potential problems.