Jeep 1987 Wrangler Workshop Manual page 1333

AUTOMATIC TRANSMISSIONS
OVERHAUL
Remove the C and D thrust washers from the
planetary gear assembly.
Remove the sun gear (7), driving shell (8), and
the rear planetary assembly (9) from the output
shaft (10).
Separate the sun gear and driving shell from the
rear planetary assembly.
Remove the rear snap ring (11) and steel thrust
plate (E) from the sun gear.
Remove the remaining snap ring and steel
thrust plate (F) from the sun gear.
Remove the thrust washer (G) from the forward
side of the rear planetary assembly.
Remove the planetary gear assembly and thrust
washer (12).
If necessary, remove the large snap ring (13)
from the rear of annulus gear (14) to separate
the support (15) from the gear.
Inspection
Inspect the bearing surfaces on the output shaft
for nicks, burrs, scores or other damage. Light
scratches, nicks or burrs can be removed with
crocus cloth. Be sure all oil passages in the shaft
are open and clean. Inspect the speedometer
drive gear. Remove nicks and burrs with an
oilstone.
Inspect the sun gear bushings for wear or
scores. Replace the sun gear if the bushings are
damaged.
Inspect all the thrust washers and plates.
Replace all the thrust washers and plates that
are d a m a g e d or worn below t h i c k n e s s
specifications.
Inspect the gear assemblies for cracks, broken
pinions, worn gear teeth, broken pinion shafts or
lockpins and damaged thrust faces. Replace as
required.
Inspect the annulus gears for cracks and worn
teeth.
Replace all distorted snap rings.
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