Slips or Chatters In Reverse

1. Improper fluid level.
2. Low main control pressure in reverse.
3. Damaged reverse servo bore.
4. Damaged planetary low one-way clutch.
5. Damaged reverse clutch drum bushing.
6. Worn reverse clutch stator support seal rings or grooves.
7. Reverse clutch piston seal.
8. Reverse band adjustment.
9. Loosen driveshaft, engine mounts or U-joints.