Customer Satisfaction Program 21B26 – Secondary Timing Chain Tensioner – 2020 Ford Mustang GT500/GT350

2020 Ford Mustang Shelby GT500

NHTSA ID Number: 10198613 Manufacturer Communication Number: 21B26-S1 Summary In some of the affected vehicles, the engine’s 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.     PROGRAM TERMS  This … Read more