Coolant intrusion into the cylinder bores
Ford technical service bulletin 19B37-S3 for 2017-2019 Ford Escape and 2017-2019 Ford Fusion.
- Bulletin number
- 19B37-S3
- Component
- Power train: automatic transmission
- Summary
- Some of the affected vehicles may exhibit coolant intrusion into the cylinder bores. Customer symptoms include coolant loss, excessive tailpipe smoke, or illuminated malfunction indicator lights (MIL) due to engine misfire. Over time, this condition may damage the engine, requiring replacement of the engine short block.
Owners of these vehicles have filed 1,289 complaints in the transmission category.
Vehicles covered
- Ford Escape 2017-2019 201720182019
- Ford Fusion 2017-2019 201720182019
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