Rough Shudder 3-1 Shift at Closed Throttle In Overdrive
ROUGH SHUDDER 3-1 SHIFT AT CLOSED THROTTLE IN OVERDRIVE1. Improper engine performance.
2. Improperly adjusted engine idle.
3. Improperly adjusted manual linkage.
4. Oil pressure control system or improper clutch or band application.
5. Improper governor operation.
6. Dirty valve body or sticking valves.