1998 DODGE RAM 1500 Workshop Manual

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Page 2033 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual Fig. 41 Install Reaction Annulus and Carrier
1 - BEARING NUMBER 8 5 - BEARING NUMBER 7
2 - BEARING NUMBER 9 6 - THRUST PLATE (SELECT)
3 - REACTION PLANETARY CARRIER 7 - BEARING NUMBER 6
4 - REACTION S

Page 2034 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (31) Install the output shaft selective thrust plate
onto the reaction annulus with the oil grooves facing
the annulus gear and the tabs and notches aligned as
shown in (Fig. 42).
(32) Install the num

(31) Install the output shaft selective thrust plate
onto the reaction annulus with the oil grooves facing
the annulus gear and the tabs and notches aligned as
shown in (Fig. 42).
(32) Install the number 6 bearing against the out-
put shaft selective thrust plate with the flat side
against the thrust plate (Fig. 41) and the raised tabs
on the inner race facing the front of the transmis-
sion.
(33) Install the reaction annulus into the reaction
planetary gear set (Fig. 41).
(34) Install the 4C retainer/bulkhead into the
transmission case. Make sure that the oil feed holes
are pointing toward the valve body area. Rotate the
reaction annulus during the installation of the 4C
retainer/bulkhead to ease installation.
(35) Install the 4C retainer/bulkhead tapered
snap-ring into the transmission case (Fig. 43) with
the taper toward the front of the case. Make sure
that the open ends of the snap-ring are located in the
case opening toward the valve body area.
(36) Air check the 2C and 4C clutch operation.
(37) Using Alignment Plate 8261, Adapter 8266-17
from End-Play Tool Set 8266 and Dial Indicator
C-3339, measure and record the output shaft end-
play (Fig. 44). The correct output shaft end-play is
0.22-0.55 mm (0.009-0.021 in.). Adjust as necessary.
Install the chosen output shaft selective thrust plate
and re-measure end-play to verify selection.
(38) Apply a bead of RTV silicone and install the
extension/adapter housing onto the transmission
case.(39) Install and torque the bolts to hold the exten-
sion/adapter housing onto the transmission case. The
correct torque is 54 N´m (40 ft.lbs.).
(40) Install the number 5 bearing and selective
thrust plate onto the 4C retainer/bulkhead (Fig. 45).
Be sure that the outer race of the bearing is against
the thrust plate.
(41) Install the input clutch assembly into the
transmission case (Fig. 45). Make sure that the input
clutch assembly is fully installed by performing a
Fig. 42 Thrust Plate Alignment
1 - LOCATING LUG (3)
2 - THRUST PLATE
Fig. 43 Install 4C Clutch Retainer/Bulkhead
1 - SNAP-RING
2 - 4C CLUTCH RETAINER/BULKHEAD
Fig. 44 Measure Output Shaft End Play
1 - TOOL 8261
2 - TOOL 8266
3 - TOOL C-3339
DRAUTOMATIC TRANSMISSION - 45RFE/545RFE 21 - 331
AUTOMATIC TRANSMISSION - 45RFE/545RFE (Continued)

Page 2035 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual visual inspection through the input speed sensor
hole. If the tone wheel teeth on the input clutch
assembly are centered in the hole, the assembly is
fully installed.
(42) Install the number 1 bearing

Page 2036 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (46) Install the transmission front cover into the
transmission case (Fig. 48).
(47) Install the outer snap-ring to hold the trans-
mission front cover into the transmission case (Fig.
48).
(48) Parti

(46) Install the transmission front cover into the
transmission case (Fig. 48).
(47) Install the outer snap-ring to hold the trans-
mission front cover into the transmission case (Fig.
48).
(48) Partially install the inner transmission front
cover snap-ring onto the oil pump (Fig. 48).
(49) Using Installer 8255, install the inner trans-
mission front cover snap-ring the remainder of the
way onto the oil pump (Fig. 49).(50) Install the valve body (Fig. 50). Verify that
the pin on the manual lever has properly engaged
the TRS selector plate. Tighten the valve body to
transmission case bolts to 12 N´m (105 in.lbs.).
CAUTION: The primary oil filter seal MUST be fully
installed flush against the oil pump body. DO NOT
install the seal onto the filter neck and attempt to
install the filter and seal as an assembly. Damage to
the transmission will result.
(51) Install a new primary oil filter seal in the oil
pump inlet bore. Seat the seal in the bore with the
butt end of a hammer, or other suitable tool.
(52) Install the primary oil filter and the oil cooler
return filter (Fig. 51). Tighten the screw to hold the
primary oil filter to the valve body to 4.5 N´m (40
in.lbs.). Using Oil Filter Wrench 8321, tighten the
cooler return oil filter to the transmission case to 14
N´m (125 in.lbs.).
(53) Apply RTV silicone to the oil pan and install
the transmission oil pan. Tighten the bolts to 12 N´m
(105 in.lbs.).
(54) Install the input, output, and line pressure
sensors (Fig. 52). Tighten the bolts to 12 N´m (105
in.lbs.).
(55) Install the manual shift lever from the trans-
mission. Torque the retaining cross-bolt to 16 N´m
(140 in.lbs.).
INSTALLATION
(1) Check torque converter hub and hub drive flats
for sharp edges burrs, scratches, or nicks. Polish the
hub and flats with 320/400 grit paper and crocus
cloth if necessary. Verify that the converter hub
Fig. 48 Install the Transmission Front Cover
1 - INNER SNAP-RING
2 - TRANSMISSION COVER
3 - OUTER SNAP-RING
Fig. 49 Seat Snap-Ring Using Tool 8255
1 - TOOL 8255
2 - SNAP-RING
Fig. 50 Install Valve Body Assembly
1 - VALVE BODY TO CASE BOLT (6)
DRAUTOMATIC TRANSMISSION - 45RFE/545RFE 21 - 333
AUTOMATIC TRANSMISSION - 45RFE/545RFE (Continued)

Page 2037 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual o-ring is properly installed and is free of any debris.
The hub must be smooth to avoid damaging pump
seal at installation.
(2) If a replacement transmission is being
installed, transfer any component

o-ring is properly installed and is free of any debris.
The hub must be smooth to avoid damaging pump
seal at installation.
(2) If a replacement transmission is being
installed, transfer any components necessary, such as
the manual shift lever and shift cable bracket, from
the original transmission onto the replacement trans-
mission.
(3) Lubricate oil pump seal lip with transmission
fluid.
(4) Align converter and oil pump.(5) Carefully insert converter in oil pump. Then
rotate converter back and forth until fully seated in
pump gears.
(6) Check converter seating with steel scale and
straightedge (Fig. 53). Surface of converter lugs
should be at least 13mm (1/2 in.) to rear of straight-
edge when converter is fully seated.
(7) Temporarily secure converter with C-clamp.
(8) Position transmission on jack and secure it
with chains.
(9) Check condition of converter driveplate.
Replace the plate if cracked, distorted or damaged.
Also be sure transmission dowel pins are seated
in engine block and protrude far enough to
hold transmission in alignment.
(10) Apply a light coating of MopartHigh Temp
Grease to the torque converter hub pocket in the rear
pocket of the engine's crankshaft.
(11) Raise transmission (Fig. 54) and align the
torque converter with the drive plate and transmis-
sion converter housing with the engine block.
(12) Move transmission forward. Then raise, lower
or tilt transmission to align the converter housing
with engine block dowels.
(13) Carefully work transmission forward and over
engine block dowels until converter hub is seated in
crankshaft. Verify that no wires, or the transmission
vent hose, have become trapped between the engine
block and the transmission.
(14) Install two bolts to attach the transmission to
the engine.
(15) Install remaining torque converter housing to
engine bolts. Tighten to 68 N´m (50 ft.lbs.).
Fig. 51 Install Primary Oil and Cooler Filters
1 - PRIMARY OIL FILTER
2 - COOLER RETURN FILTER
3 - COOLER RETURN FILTER BYPASS VALVE
4 - VALVE BODY
Fig. 52 Install Input, Output, and Line Pressure
Sensors
1 - OUTPUT SPEED SENSOR
2 - LINE PRESSURE SENSOR
3 - INPUT SPEED SENSOR
Fig. 53 Checking Torque Converter Seating - Typical
1 - SCALE
2 - STRAIGHTEDGE
21 - 334 AUTOMATIC TRANSMISSION - 45RFE/545RFEDR
AUTOMATIC TRANSMISSION - 45RFE/545RFE (Continued)

Page 2038 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (16) Install transfer case, if equipped. Tighten
transfer case nuts to 35 N´m (26 ft.lbs.).
(17) Install rear support to transmission. Tighten
bolts to 47 N´m (35 ft.lbs.).
(18) Lower transmission o

Page 2039 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (22) Install torque converter-to-driveplate bolts.
Tighten bolts to 31 N´m (270 in. lbs.).
(23) Install starter motor and cooler line bracket.
(24) Connect cooler lines to transmission.
(25) Install

Page 2040 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual SCHEMATICS AND DIAGRAMS
HYDRAULIC SCHEMATICS
HYDRAULIC FLOW IN PARK/NEUTRAL
DRAUTOMATIC TRANSMISSION - 45RFE/545RFE 21 - 337
AUTOMATIC TRANSMISSION - 45RFE/545RFE (Continued)

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