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Home >> Jeep >> 2008 >> Commander Base, 3.7 K, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (545RFE Automatic Transmission (Service Information)) >> Automatic Transmission - 545RFE - Service Information >> GEARTRAIN-Planetary >> Inspection >> Planetary GEARTRAIN

Planetary GEARTRAIN

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Inspect each planetary carrier assembly for damage. Check that each pinion gear rotates freely and smoothly on its shaft. Check that the tabbed thrust washer on each side of each pinion gear is in place. Check that the outer ends of the pinion shafts are not discolored from overheating. Replace the carrier assembly if jammed or sticky pinion gears, spun or missing tabbed washers, or blackened pinion shafts are found.

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.