SSM 51799

Service Bulletin Details

Public Details for: SSM 51799

Some 2020-2023 escape and 2021-2023 bronco sport vehicles equipped with the 1.5l engine may exhibit a lugging vibration and/or boom noise while driving in gears 5-8 at approximately 1500 engine revolutions per minute (rpm). This may be felt


- 2023 - 2022 - 2021 - 2020 -

Models from 2023
2023 FORD BRONCO SPORT
2023 FORD ESCAPE
Models from 2022
2022 FORD BRONCO SPORT
2022 FORD ESCAPE
Models from 2021
2021 FORD BRONCO SPORT
2021 FORD ESCAPE
Models from 2020
2020 FORD ESCAPE 
SSM 51799
2020-2023 Escape, 2021-2023 Bronco Sport - 1.5L EcoBoost - Vibration
And/Or Boom Noise While Driving
Some 2020-2023 Escape and 2021-2023 Bronco Sport vehicles equipped with the 1.5L engine may
exhibit a lugging vibration and/or boom noise while driving in gears 5-8 at approximately 1500
engine revolutions per minute (RPM). This may be felt more when the engine is under a light to
moderate load. A vibration and/or boom noise could be generated from the firing frequency of the 3
cylinders or when cylinder deactivation occurs and the engine is running on 2 cylinders. This
condition is more noticeable when the vehicle is driven in ECO mode. This mode was designed to
deliver maximum fuel efficiency and increase the driving range.

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