Symptom Chart
WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart - Transmission Cooling
| Symptom | Possible Sources | Action |
|---|---|---|
| Transmission overheating | Bent or crushed transmission fluid cooler tubes | INSPECT the transmission fluid cooler tubes for damage. INSTALL new components as necessary. |
| Clogged transmission fluid cooler or transmission fluid cooler tubes | INSPECT the transmission fluid cooler and the transmission fluid cooler tubes for plugging. INSTALL new components as necessary. | |
| Cooler bypass valve stuck closed | INSTALL a new cooler bypass valve. Refer to: Cooler Bypass Valve - 1.0L EcoBoost (92kW/125PS) . or Refer to: Cooler Bypass Valve - 1.5L Duratec (90kW/120PS) - I3 . TEST the system for normal operation. | |
| Transmission fluid warmer coolant control valve is sticking (if equipped) | INSTALL a known good coolant control valve. Refer to: Transmission Fluid Heater Coolant Control Valve . TEST the system for normal operation. | |
| System leaks | INSPECT the transmission fluid cooler, the transmission fluid cooler tubes and the cooler bypass valve for leaks. INSTALL new components as necessary | |
| Transmission fluid level overfull | Refer to: Transmission Fluid Level Check . | |
| Internal transmission concerns | Refer to: Diagnosis By Symptom . | |
| Vibration - a high frequency (20-80 Hz) that is felt through the seat or gear shifter. Changes with engine speed. | Transmission fluid cooler tubes grounded | CHECK the transmission fluid cooler tubes. REPAIR as necessary. |