This Technical Service Bulletin (TSB) addresses a rotational scraping noise issue in some 2021-2022 Ford Bronco vehicles equipped with MT88 manual transmission.
Issue Description
Some vehicles may experience a rotational scraping noise in ambient temperatures below 108C (502F) and after a cold soak with the transmission in neutral, 1st, and/or 2nd gear and clutch engaged. The noise may go away as the transmission warms up.
Correction Procedure
The issue can be corrected by replacing the 5th and 6th gear synchronizer rings, as described in the Service Procedure.
Manual:
Download: Ford Bronco 2021-2022 MT88 Manual Transmission Rotational Scraping Noise Technical Service Bulletin
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