Slips 1-2 Shift

1. Incorrect oil level.

2. Vacuum modulator valve sticking.

3. Vacuum modulator.

4. Pump pressure regulator valve defective.

5. Porosity between channels in case.

6. Control valve assembly.

7. Pump-to-case gasket may be mispositioned.

8. Intermediate clutch plug in case may be missing or leaking excessively.

9. Intermediate clutch piston seal missing or damaged.

10. Intermediate clutch plates burned.

11. Front or rear accumulator oil ring may be damaged.