No or Delayed R and/or No Engine Braking In Manual Low

NO OR DELAYED R AND/OR NO ENGINE BRAKING IN MANUAL LOW
1. Improper fluid level.
2. Damaged or improperly adjusted manual linkage.
3. Low/reverse servo piston seal cut or leaking.
4. Low/reverse band burnt or worn.
5. Overdrive clutch or overdrive one-way clutch damaged.
6. Polished or glazed low/reverse band or drum.
7. Rear one-way clutch damaged.