No or Delayed Forward Engagement

NO OR DELAYED FORWARD ENGAGEMENT
1. Improper fluid level.
2. Incorrectly adjusted or damaged manual linkage.
3. Low main control pressure.
4. Forward clutch stator support seal rings Nos. 3 and/or 4 leaking.
5. Burned and/or damaged forward clutch assembly.
6. Forward clutch cylinder check ball and/or piston seal rings leaking.
7. Valve body bolts improperly torqued.
8. Valve body dirty or valves sticking.
9. Clogged transmission filter.
10. Damaged or leaking pump.