In this video, you will see the complete process of removing and replacing the main accessory serpentine drive belt on a Ford Fusion equipped with the 2.0L EcoBoost turbo engine. If your belt is showing deep dry-rot cracks, fraying along the edges, or squealing loudly during morning starts, this visual guide walks you through the entire replacement step-by-step.
How this video helps you: The serpentine belt on the transverse-mounted 2.0L EcoBoost engine is located on the passenger side of the engine bay. Because this engine compartment is crowded with turbo components, motor mounts, and structural frame elements, there is very little clearance to work from above. This video shows you the proper combination of access points—demonstrating how to safely support the engine, remove the passenger-side motor mount to gain top-side clearance, and work through the passenger-side front wheel well. You will see how to identify the spring-loaded hydraulic belt tensioner, how to position your tensioner tool or wrench to compress the spring, and how to slip the old belt off cleanly.
đź’ˇ Pro Tip: The 2.0L EcoBoost pulley layout can be highly deceptive because the belt loops around multiple components close together. Take a clear picture of the belt routing with your phone before taking off the old belt! Pay close attention to how the flat (smooth) back side of the belt rides against the smooth idler pulleys, while the ribbed side seats fully into the grooved pulleys for the crankshaft, alternator, and A/C compressor.
Signs that your Serpentine Belt needs to be replaced:
- Chirping or Squealing Noises: A loud squealing noise coming from the passenger side of the engine bay, especially during cold mornings, indicates the rubber has hardened and is slipping across the pulleys.
- Visible Rib Cracking or Fraying: Inspecting the belt reveals small horizontal cracks across the rubber V-grooves every few millimeters or loose structural threads fraying off the sides.
- Material Loss or Chunks Missing: Small chunks of the ribbed tracks drop out over time, causing severe belt instability and putting it at immediate risk of snapping.
- Battery Light/Loss of Power: If the belt slips excessively or snaps while driving, your alternator stops charging (triggering the red dashboard battery light), the water pump stops circulating coolant, and the car will overheat rapidly.
Watch the video to see the exact tool setup, clearance techniques, and correct routing configuration to complete this job smoothly!