Certain 2020 Model Year Mustang GT500/GT350 Equipped with a 5.2L Engine Secondary Timing Chain Tensioner...

Bulletin number

21B26

Component

Engine and engine cooling

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.

Owners of these vehicles have filed 27 complaints in the engine category.