Engine Vibrates During 2-3 Upshift (Shift Points OK)
ENGINE VIBRATES DURING 2-3 UPSHIFT (SHIFT POINTS OK)1. Defective 2nd clutch.
2. Defective throttle valve B.
3. Defective 3rd accumulator.
4. Clogged 2nd orifice.
5. Missing 3rd ball check valve.
6. Clogged separator port orifice.