RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
Planetary Gears: Service and Repair
45RFE 4 Speed
Disassembly
45RFE - AUTOMATIC TRANSMISSION
PLANETARY GEARTRAIN / DISASSEMBLY
1. Remove the snap-ring holding the input annulus into the input carrier (Fig. 116).
2. Remove the input annulus from the input carrier (Fig. 116).
3. Remove the number 9 bearing from the reverse planetary carrier. Note that this planetary carrier has four pinion gears.
4. Remove the reverse planetary gear carrier (Fig. 116).
5. Remove the number 10 bearing from the input sun gear (Fig. 116).
6. Remove the input sun gear from the input carrier (Fig. 116).
7. Remove the number 11 bearing from the input carrier (Fig. 116).
Cleaning and Inspection
45RFE - AUTOMATIC TRANSMISSION
CLEANING
Clean the planetary components in solvent and dry them with compressed air.
INSPECTION
Check sun gear and driving shell condition. Replace the gear if damaged or if the bushings are scored or worn. The bushings are not serviceable. Replace
the driving shell if worn, cracked or damaged.
Replace planetary gear sets if gears, pinion pins, or carrier are damaged in any way. Replace the annulus gears and supports if either component is worn
or damaged.
Replace the output shaft if the machined surfaces are scored, pitted, or damaged in any way. Also replace the shaft if the splines are damaged, or exhibits
cracks at any location.
Assembly