Slips 1-2 Shift

1. Low oil level.

2. Vacuum modulator assembly defective.

3. Modulator valve sticking.

4. Pump pressure regulator valve defective.

5. 1-2 accumulator oil ring damaged or missing. Case bore damaged.

6. Pump to case gasket improperly positioned or damaged.

7. Check case for porosity.

8. Intermediate clutch piston seals damaged. Clutch plates burned.

9. On 250 and 250C:

a. Intermediate servo piston seals damaged or missing.

b. Burned intermediate band.

10. On 350 and 350C, 2-3 accumulator oil ring damaged or missing.