Dodge Ram Truck 1500-2500-3500. Manual — part 1789
5. Slide clutch drum (3) forward and install inner
retaining ring (2).
6. Install rear bearing (1) and snap-ring (2) on output
shaft. Be sure locating ring groove in bearing is
toward rear.
7. Install overrunning clutch (2) on hub (1). Note that
clutch only fits one way. Shoulder on clutch should
seat in small recess at edge of hub.
8. Install thrust bearing on overrunning clutch hub.
Use generous amount of petroleum jelly to hold
bearing in place for installation. Bearing fits one
way only. Be sure bearing is seated squarely
against hub. Reinstall bearing if it does not seat
squarely.
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9. Install overrunning clutch (2) in output shaft (6).
Insert snap-ring pliers in hub splines. Expand pliers
to grip hub. Then install assembly with counter-
clockwise, twisting motion.
10. Install planetary gear (1) in annulus gear (2). Be
sure planetary pinions are fully seated in annulus
gear before proceeding.
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11. Coat planetary thrust bearing (2) and bearing con-
tact surface of spring plate with generous amount
of petroleum jelly. This will help hold bearing in
place during installation.
12. Install planetary thrust bearing (2) on sun gear
(3). Slide bearing onto gear and seat it against
spring plate as shown. Bearing fits one way only.
If it does not seat squarely against spring plate,
remove and reposition bearing.
13. Install assembled sun gear, spring plate, and
thrust bearing (1). Be sure sun gear and thrust
bearing are fully seated before proceeding.
14. Mount assembled output shaft, annulus gear, and
clutch drum in shop press (3). Direct clutch
spring, hub and clutch pack are easier to install
with assembly mounted in press.
15. Align splines in hubs of planetary gear and over-
running clutch with Alignment tool 6227-2 (1).
Insert tool through sun gear and into splines of
both hubs. Be sure alignment tool is fully seated
before proceeding.
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16. Install direct clutch spring (2). Be sure spring is
properly seated on spring plate (4).
NOTE: The direct clutch in a 48RE transmission
uses 10 double-sided clutch discs.
17. Assemble and install direct clutch pack on hub as
follows:
a. Install direct clutch reaction plate (2) on clutch
hub first. Note that one side of reaction plate is
counterbored (1). Be sure this side faces rear-
ward. Splines at rear of hub (3) are raised
slightly. Counterbore in plate fits over raised
splines. Plate should be flush with this end of
hub (3).
b. Install first friction disc with internal splines, fol-
lowed by a steel seperator disc with external
lugs. Continue alternating internal and external
discs until all discs have been installed.
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