In some of the affected vehicles, the engine's secondary timing chain tensioner may not have been properly...
Ford technical service bulletin 21B26-S1 for 2020 Ford Mustang.
- Bulletin number
- 21B26-S1
- Component
- Engine and engine cooling
- 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.
Owners of these vehicles have filed 27 complaints in the engine category.
Vehicles covered
- Ford Mustang 2020 2020
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