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January 21, 2021 Service bulletin

In some of the affected vehicles, a leak in the transmission oil cooler may occur due to a crack...

Ford technical service bulletin 20B34-S1 for 2020 Ford Explorer.

Bulletin number
20B34-S1
Component
Power train
Summary
In some of the affected vehicles, a leak in the transmission oil cooler may occur due to a crack developing near the oil cooler line fittings. Loss of transmission fluid could lead to transmission noise, harsh shifts or the inability to shift out of park.

Owners of these vehicles have filed 507 complaints in the transmission category.

Vehicles covered

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