Lack of heat or uneven heat from side to side
Ford technical service bulletin TSB-20-2053 for 2015-2019 Ford Transit.
- Bulletin number
- TSB-20-2053
- Component
- Engine and engine cooling
- Summary
- Some 2015-2019 Transit vehicles equipped with a 3.5L or 3.7L engine may exhibit a lack of heat or uneven heat from side to side. This condition may be due to deposits from the engine coolant becoming trapped in the heater core. To correct the condition, flush the cooling system and replace the heater core.
Owners of these vehicles have filed 103 complaints in the engine category.
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