Affected Component: ENGINE AND ENGINE COOLING

Date Published

APR 26, 2021

NHTSA TSB #

10191520

TSB Document

• MC-10191520-0001.pdf

Summary

Certain 2020 Model Year Mustang GT500/GT350 Equipped with a 5.2L Engine Secondary Timing Chain Tensioner In some of the affected vehicles, the engines secondary timing chain tensioner may not have been properly activated during assembly, which could result in a timing loss. Timing loss could lead to internal engine damage, a rough running engine, and engine misfires.