2003 DODGE RAM Service Repair Manual

night vision fuse box oil type headlights load capacity automatic transmission fluid

Page 2345 of 2895

DODGE RAM 2003 Service Repair Manual (27) Install the reaction planetary gear set and the
number 9 bearing, with the inner race against the
reaction planetary carrier, into the transmission case
(Fig. 41).
(28) Install the flat 2C clutch

Page 2346 of 2895

DODGE RAM 2003 Service Repair Manual (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

(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
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 with the outer
race up in the pocket of the input clutch assembly
(Fig. 45).
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
Fig. 45 Install Input Clutch Assembly
1 - BEARING NUMBER 5
2 - THRUST PLATE (SELECT)
3 - INPUT CLUTCH ASSEMBLY
4 - BEARING NUMBER 1
DRAUTOMATIC TRANSMISSION - 45RFE/545RFE 21 - 507
AUTOMATIC TRANSMISSION - 45RFE/545RFE (Continued)

Page 2347 of 2895

DODGE RAM 2003 Service Repair Manual (43) Install the oil pump into the transmission
case (Fig. 46).
(44) Install the bolts to hold the oil pump into the
transmission case. Tighten the oil pump bolts to 28
N´m (250 in.lbs.).
(45) Using

Page 2348 of 2895

DODGE RAM 2003 Service Repair Manual (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 th

Page 2349 of 2895

DODGE RAM 2003 Service Repair Manual (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 b

(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
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 seatedin 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.).
(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 onto crossmember and
install bolts attaching transmission mount to cross-
member. Tighten clevis bracket to crossmember bolts
to 47 N´m (35 ft.lbs.). Tighten the clevis bracket to
rear support bolt to 68 N´m (50 ft.lbs.).
(19) Remove engine support fixture.
(20) Connect gearshift cable to transmission.
Fig. 53 Checking Torque Converter Seating - Typical
1 - SCALE
2 - STRAIGHTEDGE
Fig. 54 Install Transmission
1 - ENGINE
2 - TRANSMISSION
21 - 510 AUTOMATIC TRANSMISSION - 45RFE/545RFEDR
AUTOMATIC TRANSMISSION - 45RFE/545RFE (Continued)

Page 2350 of 2895

DODGE RAM 2003 Service Repair Manual (21) Connect wires to solenoid and pressure switch
assembly (Fig. 55) connector, input (Fig. 56) and out-
put (Fig. 57) speed sensors, and line pressure sensor
(Fig. 58). Be sure transmission harnesse

Page 2351 of 2895

DODGE RAM 2003 Service Repair Manual (27) Install the engine collar (Fig. 59) onto the
transmission and the engine. Tighten the bolts to 54
N´m (40 ft.lbs.).(28) Align and connect propeller shaft(s).
(29) Adjust gearshift cable if neces

Page 2352 of 2895

DODGE RAM 2003 Service Repair Manual SCHEMATICS AND DIAGRAMS
HYDRAULIC SCHEMATICS
HYDRAULIC FLOW IN PARK/NEUTRAL
DRAUTOMATIC TRANSMISSION - 45RFE/545RFE 21 - 513
AUTOMATIC TRANSMISSION - 45RFE/545RFE (Continued)

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