Excessive Shock Or Flare During 4-5 Or 5-4 Shift

Possible cause: foreign material in separator plate orifice, or defective shift control solenoid valve "C", clutch pressure control solenoids, lock-up clutch pressure control solenoid valve, CPC valves "B" and "C", shift valves "C" and "E", kickdown valve or kickdown short valve, 4th or 5th accumulator, or 4th or 5th clutch.