Overdrive (Case Side)
MEASURE
- Clearance between snap ring and brake flange using feeler gage. Standard clearance should be 0.35-1.91 mm (0.014-0.075-inch). If clearance is not within standard range, replace clutch disc or clutch plate.
REMOVE OR DISCONNECT
1. Brake flange snap ring, and brake flange from overdrive case.
2. Clutch discs, clutch plates and cushion brake plate from overdrive case.
3. Planetary ring gear from overdrive case.
4. Thrust bearing races and thrust bearing from overdrive case.
5. Using a flat bladed screw driver remove snap ring, piston spring retainer and springs.
6. Apply low compressed air into fluid hole in overdrive case and remove brake piston.
7. Two O-rings from brake piston.
8. Two sealing rings from rear of overdrive case.
9. Bearing and race from rear of overdrive case.
MEASURE
^ Tool Required
- J 26900-5 Vernier Caliper
- Free length of clutch piston return springs. Standard free length should fall within 15.10 mm (0.594-inch). If not within specification, replace piston return springs.
INSTALL OR CONNECT
^ Tool Required:
- J 36850 Transjel(R) Transmission Assembly Lubricant
1. Apply J 36850 to Race and bearing and install rear of overdrive case.
2. New seal rings to rear of overdrive case. Lubricate with A/T fluid.
3. New O-rings brake piston. Lubricate with A/T fluid.
4. Brake piston into overdrive case.
5. Twenty piston return springs, piston spring retainer and snap ring to overdrive case. Check that the end gap of snap ring is not aligned with one of the cutouts on overdrive case.
6. Apply J 36850 to bearing race, thrust bearing, thrust bearing race and install to overdrive case in that order.
7. Planetary ring gear to overdrive case.
8. Cushion brake plate, refer to the image.
9. Overdrive clutch plates and disc in the flowing order:
A. Plate
B. Plate
C. Disc
D. Plate
E. Disc
10. Brake plate and snap ring to overdrive case. Check that the end gap of snap ring is not aligned with one of the cutouts on overdrive case.
11. Remeasure clearance between snap ring and brake backing plate with feeler gage. Standard clearance 0.35-1.91 mm (0.014-0.075-inch). If it is not within standard clearance, disassemble and inspect.