Symptom Chart -Transmission Cooling
| Condition | Possible Sources | Action |
|---|---|---|
| Transmission overheating | Clogged transmission fluid cooler or transmission fluid cooler tubes Bent or crushed transmission fluid cooler tubes Transmission fluid cooler thermal bypass valve stuck closed |
INSPECT the transmission fluid cooler, transmission fluid cooler tubes and transmission fluid cooler thermal bypass valve for damage or plugging. INSTALL new components as necessary. |
| System leaks | INSPECT transmission fluid cooler and transmission fluid cooler tubes for leaks. SERVICE as required. | |
| Internal transmission concerns | REFER to Automatic Transmission - 6F50/6F55 . | |