Affected Component: ENGINE AND ENGINE COOLING

Date Published

FEB 10, 2023

NHTSA TSB #

10232586

TSB Document

• MC-10232586-0001.pdf

Summary

Certain 2023 Model Year Explorer, Bronco, Ranger Vehicles Equipped with 2.3L Gas Engine In all of the affected vehicles, a damaged fixture used during the engine block machining process may have allowed the dimension of one of the head bolt bore holes to exceed specification, reducing head bolt thread engagement.