Overdrive Planetary Gears: Disassembly

WARNING: This page is about a different car, the 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: New planetary gears must be installed. Do not restake them.

NOTE: Individual parts of the planetary carriers are not serviceable.

Fig 1: Checking Pins & Shafts In Planetary Assemblies

Courtesy of FORD MOTOR CO.

Before installing a planetary assembly, the shaft retaining pins should be checked for adequate staking. Use a new planetary assembly if either of the following conditions exist. Check the pins and shafts in the planetary assemblies for loose fit and or complete disengagement.
Inspect the pinion gears for damaged or excessively worn teeth, and for free rotation.

Fig 2: Inspecting Pinion Gears
Courtesy of FORD MOTOR CO.
Inspect the front one-way clutch inner race for scoring. If the front one-way clutch inner race is scored or damaged installation of new front planetary gear, center shaft, and one-way will be needed.

Fig 3: Inspecting Front One-Way Clutch Inner Race
Courtesy of FORD MOTOR CO.
Inspect the inner and outer races for scored or damaged surface areas where the rollers contact the races.
Remove and inspect the No. 2 overdrive planetary thrust bearing on the nose of the front planetary gear carrier assembly.

Fig 4: Removing & Inspecting Overdrive Planetary Thrust Bearing
Courtesy of FORD MOTOR CO.

NOTE: Note the location of the part number stamped on the coast clutch adapter for assembly.

NOTE: Inspect the sun gear for damaged or worn teeth.

Fig 5: Removing Front Sun Gear

Courtesy of FORD MOTOR CO.

Remove the front sun gear.
1. Remove the coast clutch to overdrive carrier adapter.
2. Remove the front sun gear.
Inspect the No. 12 bearing for damage.

Fig 6: Inspecting Bearing For Damage
Courtesy of FORD MOTOR CO.