No Drive In D, 1, 2; Slips Easily or Is Difficult to Accelerate

1. Manual linkage adjustment.
2. Check control pressure.
3. Valve body.
4. Defective gasket between transmission case and differential and reduction case or between differential and reduction case and converter housing.
5. Check fluid level.
6. Forward clutch.
7. Leakage in hydraulic system.
8. Reverse clutch.