2018 Ford Expedition

The 2018 Ford Expedition marked the beginning of the fourth generation, offering a more modern design, improved technology, and enhanced performance. It came standard with a 3.5L EcoBoost V6 engine paired with a 10-speed automatic transmission. The 3.5L EcoBoost produced 375 horsepower and 470 lb-ft of torque in the XLT and Limited trims, and 400 horsepower and 480 lb-ft of torque in the Platinum trim. Many owners appreciate the Expedition’s spacious interior, comfortable ride, and strong towing capability. Common complaints include the complexity of the infotainment system and some reliability concerns, particularly with the 10-speed transmission.

Engine

3.5L EcoBoost V6

• Timing Chain Issues
  • Description/Symptoms: Engine rattle or knocking noise, especially on cold starts. Can lead to poor engine performance and eventual engine failure if left unaddressed.
  • Solution: Replacement of the timing chain, tensioners, guides, and potentially other related components.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Loss of power, excessive smoke from the exhaust, unusual noises from the engine bay.
  • Solution: Replacement of the faulty turbocharger.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Direct Fuel Injection Issues
  • Description/Symptoms: Carbon buildup on the intake valves, leading to rough idling, misfires, and reduced fuel economy.
  • Solution: Cleaning the intake valves via walnut blasting or chemical treatment. Installation of a catch can to reduce oil vapor recirculation.
  • Estimated Cost to Fix: $500 - $1,000+ for cleaning; $100 - $300+ for catch can installation.
  • Recalls: None Found

Transmission

10-Speed Automatic (10R80)

• Harsh Shifting/Clunking
  • Description/Symptoms: Rough or jerky shifting, particularly between certain gears. A noticeable clunking sound during shifts.
  • Solution: Software update/reprogramming of the transmission control module (TCM). In some cases, valve body replacement or full transmission replacement may be necessary.
  • Estimated Cost to Fix: $100 - $300 for software update; $800 - $2,000+ for valve body replacement; $4,000 - $7,000+ for transmission replacement.
  • Recalls: 19V-788: Ford is recalling certain 2017-2019 F-150 and 2018-2020 Expedition vehicles equipped with a 10-speed automatic transmission. The transmission may contain a clip that is not fully seated in the park pawl actuating system. Over time, the clip may unseat, potentially causing a loss of the ‘PARK’ function.
• Delayed Engagement
  • Description/Symptoms: A noticeable delay when shifting into drive or reverse.
  • Solution: Typically requires transmission rebuild or replacement, often tied to internal damage from the harsh shifting.
  • Estimated Cost to Fix: $4,000 - $7,000+
  • Recalls: 19V-788: Ford is recalling certain 2017-2019 F-150 and 2018-2020 Expedition vehicles equipped with a 10-speed automatic transmission. The transmission may contain a clip that is not fully seated in the park pawl actuating system. Over time, the clip may unseat, potentially causing a loss of the ‘PARK’ function.

Suspension

• Rear Suspension Sag (Especially with Towing Package)
  • Description/Symptoms: Rear of the vehicle sits lower than the front, especially when towing or carrying heavy loads. Can lead to poor handling and ride quality.
  • Solution: Installation of aftermarket air springs or helper springs to supplement the factory suspension. Replacement of worn-out rear shocks or springs.
  • Estimated Cost to Fix: $300 - $800+ for air springs/helper springs; $200 - $500+ for shock/spring replacement.
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The touchscreen freezes, becomes unresponsive, or restarts unexpectedly.
  • Solution: Software update for the SYNC 3 system. In some cases, replacement of the APIM (Accessory Protocol Interface Module) may be necessary.
  • Estimated Cost to Fix: $0 for software update; $500 - $1,000+ for APIM replacement.
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Vehicle battery drains overnight or within a short period of time, leading to difficulty starting the engine.
  • Solution: Identify and repair the parasitic drain. This may involve replacing a faulty module or repairing damaged wiring.
  • Estimated Cost to Fix: $100 - $500+ depending on the source of the drain.
  • Recalls: None Found

Exterior

• Power Running Boards Malfunction
  • Description/Symptoms: Running boards fail to deploy or retract properly. Can be caused by motor failure, sensor issues, or debris obstructing the mechanism.
  • Solution: Cleaning and lubricating the running board mechanism. Replacing the motor, sensors, or the entire running board assembly.
  • Estimated Cost to Fix: $50 - $200 for cleaning/lubrication; $300 - $1,000+ for parts replacement.
  • Recalls: None Found

Interior

• Sunroof Leaks
  • Description/Symptoms: Water leaks into the cabin from the sunroof area, especially during heavy rain.
  • Solution: Cleaning and lubricating the sunroof seals and drainage channels. Repairing or replacing the sunroof seal.
  • Estimated Cost to Fix: $100 - $300 for cleaning/lubrication; $200 - $800+ for seal repair/replacement.
  • Recalls: None Found

Summary

The 2018 Ford Expedition offers a spacious and capable SUV experience, but potential buyers should be aware of some common issues. Engine problems such as timing chain issues and turbocharger failure can be costly to repair. The 10-speed transmission is a known weak point, with reports of harsh shifting and potential for major repairs. Electrical issues with the infotainment system and battery drain can also be frustrating. While some problems are relatively minor and inexpensive to fix, others can lead to significant repair bills. Careful inspection and a thorough pre-purchase inspection are recommended.