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March 30, 2021 Service bulletin

Certain 2021 Model Year Explorer/Aviator All-Wheel-Drive Vehicles Equipped with 3.0L Engines Engine...

Ford technical service bulletin 21B18 for 2021 Ford Explorer and 2021 Lincoln Aviator.

Bulletin number
21B18
Component
Engine and engine cooling
Summary
Certain 2021 Model Year Explorer/Aviator All-Wheel-Drive Vehicles Equipped with 3.0L Engines Engine Assembly Replacement All of the affected vehicles, an oversized right-hand exhaust camshaft journal was installed in the engine assembly. This may result in a misfire and low compression condition. The check engine light will be illuminated

Owners of these vehicles have filed 66 complaints in the engine category.

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