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Home >> Ford >> 2018 >> Focus SEL, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (Transmission Cooling - 6-Speed Automatic Transmission - 6F15) >> Diagnosis And Testing >> Transmission Cooling >> Symptom Chart - Transmission Cooling

Symptom Chart - Transmission Cooling

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Symptom Chart

Symptom Possible Sources Action
Transmission overheating Clogged transmission fluid cooler or transmission fluid cooler tubes
Bent or crushed transmission fluid cooler tubes
Transmission fluid cooler bypass valve stuck closed
System leaks
Transmission fluid level overfull
Internal transmission concerns
INSPECT the transmission fluid cooler, transmission fluid cooler tubes and transmission fluid thermal bypass valve for damage or plugging. INSTALL new components as necessary.
REFER to: Transmission Fluid Level Check .
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