Reverse Shudders, Chatters, and/or Slips
REVERSE SHUDDERS, CHATTERS, AND/OR SLIPS1. Improper fluid level.
2. Low main control pressure in reverse.
3. Leaking low reverse servo.
4. Damaged planetary low one-way clutch.
5. Damaged reverse clutch drum bushing.
6. Worn or damaged reverse clutch stator support seal rings or grooves.
7. Cut and/or worn reverse clutch piston.
8. Damaged reverse band.
9. Loose driveshaft, engine mounts or U-joints.