Assembly - Dodge Dakota Sport 2001 Service Manual

21 - 498 AUTOMATIC TRANSMISSION - 45RFE
INPUT CLUTCH ASSEMBLY (Continued)
(14) Remove the underdrive clutch pack from the
input clutch retainer (Fig. 70).
(15) Using Spring Compressor 8251, compress the
UD/OD balance piston and remove the snap-ring
from the input clutch hub (Fig. 69).
Fig. 69 Compressing UD/OD Balance Piston Using
Tool 8251
1 - PRESS
2 - TOOL 8251
3 - BALANCE PISTON
(16) Remove the UD/OD balance piston and piston
return spring from the input clutch retainer (Fig. 70).
(17) Remove the underdrive piston from the input
clutch retainer (Fig. 70).
NOTE: Both the UD/OD balance piston and the
underdrive piston have seals molded onto them. If
the seal is damaged, do not attempt to install a new
seal onto the piston. The piston/seal must be
replaced as an assembly.
(18) Remove the input clutch retainer tapered
snap-ring.
(19) Separate input clutch retainer from input
clutch hub.
(20) Separate OD/reverse piston from input clutch
hub retainer (Fig. 70).
(21) Remove all seals and o-rings from the input
shaft and input hub. The o-rings on the input hub
are color coded. Be sure to make note of which o-ring
belongs in which location.

ASSEMBLY

(1) Install all new seals and o-rings onto the input
shaft and input hub. The o-rings on the input hub
are color coded. Be sure to install the correct o-ring
in the correct location.
(2) Check the transmission lubrication check valve
located in the input shaft using shop air. The valve
should only allow air flow in one direction. If the
valve allows no air flow, or air flow in both direc-
tions, the valve will need to be replaced.
(3) Lubricate all seals with Mopar® ATF +4, type
9602, prior to installation.
(4) Assemble the OD/reverse piston onto the input
clutch hub (Fig. 71).
(5) Assemble the input clutch retainer onto the
input clutch hub.
(6) Install the input clutch retainer tapered snap-
ring with tapered side up onto the input clutch hub.
AN