Dodge Dakota (R1). Manual — part 714
Fig. 71 Input Clutch Assembly - Part II
1 - INPUT CLUTCH HUB
11 - UD CLUTCH
2 - O-RING SEALS
12 - PLATE
3 - SEAL
13 - CLUTCH RETAINER
4 - SNAP-RING
14 - SEAL
5 - SNAP-RING
15 - OD/REV PISTON
6 - UD BALANCE PISTON
16 - BELLEVILLE SPRING
7 - SNAP-RING
17 - SNAP-RING
8 - UD PISTON
18 - SEAL RINGS
9 - SPRING
19 - INPUT SHAFT
10 - DISC
20 - LUBRICATION CHECK VALVE AND SNAP-RING
21 - 500
AUTOMATIC TRANSMISSION - 45RFE
AN
INPUT CLUTCH ASSEMBLY (Continued)
(7) Install Piston Guides 8504 into the input clutch
retainer (Fig. 72) and onto the input clutch hub to
guide the inner and outer underdrive piston seals
into position.
(8) Install the underdrive piston into the input
clutch retainer and over the input clutch hub (Fig.
71).
(9) Install the UD/OD balance piston return spring
pack into the input clutch retainer.
(10) Install Piston Guide 8252 into the input
clutch retainer (Fig. 73) to guide the UD/OD balance
piston seal into position inside the underdrive piston.
(11) Install the UD/OD balance piston into the
input clutch retainer and the underdrive piston.
(12) Using Spring Compressor 8251, compress the
UD/OD return spring pack and secure the piston in
place with the snap-ring (Fig. 74).
(13) Install the underdrive clutch pack into the
input clutch retainer (Fig. 71).
(14) Install the UD/OD reaction plate lower flat
snap-ring (Fig. 75). The correct snap-ring can be
identified by the two tabbed ears.
(15) Install the UD/OD reaction plate into the
input clutch retainer. The reaction plate is to be
installed with the big step down.
(16) Install
the
UD/OD
reaction
plate
upper
tapered snap-ring with tapered side up.
Fig. 72 Install Underdrive Piston Using Tool 8504
1 - TOOL 8504
Fig. 73 Install Balance Piston Using Tool 8252
1 - TOOL 8252
Fig. 74 Compressing UD/OD Balance Piston Using
Tool 8251
1 - PRESS
2 - TOOL 8251
3 - BALANCE PISTON
AN
AUTOMATIC TRANSMISSION - 45RFE
21 - 501
INPUT CLUTCH ASSEMBLY (Continued)
Fig. 75 Input Clutch Assembly - Part I
1 - BEARING NUMBER 3
10 - SNAP-RING (SELECT)
2 - OD HUB/SHAFT
11 - PLATE
3 - SNAP-RING (WAVE)
12 - DISC
4 - REV/OD REACTION PLATE
13 - OD CLUTCH
5 - BEARING NUMBER 4
14 - SNAP-RING (TAPERED)
6 - SNAP-RING (FLAT)
15 - UD/OD REACTION PLATE
7 - REVERSE HUB/SHAFT
16 - SNAP-RING (FLAT)
8 - REVERSE CLUTCH
17 - UD HUB/SHAFT
9 - REVERSE REACTION PLATE
18 - BEARING NUMBER 2
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AUTOMATIC TRANSMISSION - 45RFE
AN
INPUT CLUTCH ASSEMBLY (Continued)
(17) Install the input clutch assembly into Input
Clutch Pressure Fixture 8260 (Fig. 76). Mount a dial
indicator to the assembly, push down on the clutch
discs and zero the indicator against the underdrive
clutch discs (Fig. 77). Apply 20 psi of air pressure to
the underdrive clutch and record the dial indicator
reading. Measure and record UD clutch pack mea-
surement in four (4) places, 90° apart. Take average
of four measurements and compare with UD clutch
pack clearance specification. The correct clutch clear-
ance is 0.76-1.16 mm (0.030-0.063 in.). The reaction
plate is not selective. If the clutch clearance is not
within specification, replace the reaction plate along
with all the friction and steel discs.
(18) Install the overdrive clutch pack into the
input clutch retainer (Fig. 75). The overdrive steel
separator plates can be identified by the lack of the
half-moon cuts in the locating tabs.
(19) Install the overdrive clutch wavy snap-ring
with the two tabbed ears into the input clutch
retainer.
(20) Install the OD/reverse reaction plate into the
input clutch retainer. The reaction plate is non-direc-
tional (Fig. 75).
(21) Install the OD/reverse reaction plate flat
snap-ring into the input clutch retainer.
(22) Mount a dial indicator to the assembly and
zero the indicator against the OD/reverse reaction
plate (Fig. 78). Apply 20 psi of air pressure to the
overdrive clutch and record the dial indicator read-
ing. Measure and record OD clutch pack measure-
ment in four (4) places, 90° apart. Take average of
four measurements and compare with OD clutch
pack clearance specification.Verify that the clutch
clearance is 1.016-1.65 mm (0.040-0.065 in.). The
reaction plate is not selective. If the clutch clearance
is not within specification, replace the reaction plate
along with all the friction and steel discs.
Fig. 76 Input Clutch Assembly Mounted on Tool
8260
1 - INPUT CLUTCH ASSEMBLY
2 - TOOL 8260
Fig. 77 Measuring UD Clutch Clearance
1 - TOOL C-3339
2 - UNDERDRIVE CLUTCH PACK
Fig. 78 Measuring OD Clutch Clearance
1 - TOOL C-3339
2 - OD/REV REACTION PLATE
AN
AUTOMATIC TRANSMISSION - 45RFE
21 - 503
INPUT CLUTCH ASSEMBLY (Continued)
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