2002 DODGE RAM Service Repair Manual

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Page 1705 of 2255

DODGE RAM 2002 Service Repair Manual Fig. 312 Upper Housing Control Valve Locations
1 - UPPER HOUSING 8 - MANUAL VALVE
2 - REGULATOR VALVE 9 - 1-2 GOVERNOR PLUG
3 - SWITCH VALVE 10 - GOVERNOR PLUG COVER
4 - REGULATOR VALVE SPRING 11 - TH

Page 1706 of 2255

DODGE RAM 2002 Service Repair Manual BOOST VALVE TUBE AND BRACE
(1) Position valve body assembly so lower housing
is facing upward (Fig. 314).
(2) Lubricate tube ends and housing ports with
transmission fluid or petroleum jelly.
(3) Star

Page 1707 of 2255

DODGE RAM 2002 Service Repair Manual 3-4 ACCUMULATOR
(1) Position converter clutch valve and 3-4 shift
valve springs in housing (Fig. 317).
(2) Loosely attach accumulator housing with right-
side screw (Fig. 317). Install only one screw

Page 1708 of 2255

DODGE RAM 2002 Service Repair Manual VALVE BODY FINAL
(1) Install boost valve, valve spring, retainer and
cover plate. Tighten cover plate screws to 4 N´m (35
in. lbs.) torque.
(2) Insert manual lever detent spring in upper
housing.
(3)

VALVE BODY FINAL
(1) Install boost valve, valve spring, retainer and
cover plate. Tighten cover plate screws to 4 N´m (35
in. lbs.) torque.
(2) Insert manual lever detent spring in upper
housing.
(3) Position detent ball on end of spring. Then hold
detent ball and spring in detent housing with
Retainer Tool 6583 (Fig. 319).
(4) Install throttle lever in upper housing. Then
install manual lever over throttle lever and start
manual lever into housing.
(5) Align manual lever with detent ball and man-
ual valve. Hold throttle lever upward. Then press
down on manual lever until fully seated. Remove
detent ball retainer tool after lever is seated.
(6) Then install manual lever seal, washer and
E-clip.
(7) Verify that throttle lever is aligned with end of
kickdown valve stem and that manual lever arm is
engaged in manual valve (Fig. 320).
(8) Position line pressure adjusting screw in
adjusting screw bracket.
(9) Install spring on end of line pressure regulator
valve.
(10) Install switch valve spring on tang at end of
adjusting screw bracket.
(11) Install manual valve.
(12) Install throttle valve and spring.
(13) Install kickdown valve and detent.
(14) Install pressure regulator valve.
(15) Install switch valve.
(16) Position adjusting screw bracket on valve
body. Align valve springs and press bracket into
place. Install short, upper bracket screws first and
long bottom screw last. Verify that valve springs and
bracket are properly aligned. Then tighten all three
bracket screws to 4 N´m (35 in. lbs.) torque.
(17) Perform Line Pressure and Throttle Pressure
adjustments. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/AUTOMATIC/VALVE BODY - ADJUST-
MENTS)
(18) Lubricate solenoid case connector O-rings and
shaft of manual lever with light coat of petroleum
jelly.
(19) Attach solenoid case connector to 3-4 accumu-
lator with shoulder-type screw. Connector has small
locating tang that fits in dimple at top of accumula-
tor housing (Fig. 321). Seat tang in dimple before
tightening connector screw.(20) Install solenoid assembly and gasket. Tighten
solenoid attaching screws to 8 N´m (72 in. lbs.)
torque.
(21) Verify that solenoid wire harness is properly
routed (Fig. 322). Solenoid harness must be clear of
manual lever and park rod and not be pinched
between accumulator housing and cover.
Fig. 319 Detent Ball Spring
1 - SPECIAL TOOL 6583 POSITIONED ON DETENT HOUSING
Fig. 320 Manual And Throttle Lever Alignment
1 - THROTTLE LEVER
2 - MANUAL LEVER VALVE ARM
3 - MANUAL VALVE
4 - KICKDOWN VALVE
BR/BEAUTOMATIC TRANSMISSION - 46RE 21 - 255
VALVE BODY (Continued)

Page 1709 of 2255

DODGE RAM 2002 Service Repair Manual GOVERNOR BODY, SENSOR AND SOLENOID
(1) Turn valve body assembly over so accumulator
side of transfer plate is facing down.
(2) Install new O-rings on governor pressure sole-
noid and sensor.
(3) Lubri

GOVERNOR BODY, SENSOR AND SOLENOID
(1) Turn valve body assembly over so accumulator
side of transfer plate is facing down.
(2) Install new O-rings on governor pressure sole-
noid and sensor.
(3) Lubricate solenoid and sensor O-rings with
clean transmission fluid.
(4) Install governor pressure sensor in governor
body.
(5) Install governor pressure solenoid in governor
body. Push solenoid in until it snaps into place in
body.
(6) Position governor body gasket on transfer
plate.(7) Install retainer plate on governor body and
around solenoid. Be sure solenoid connector is posi-
tioned in retainer cutout.
(8) Align screw holes in governor body and trans-
fer plate. Then install and tighten governor body
screws to 4 N´m (35 in. lbs.) torque.
(9) Connect harness wires to governor pressure
solenoid and governor pressure sensor.
(10) Install fluid filter and pan.
(11) Lower vehicle.
(12) Fill transmission with recommended fluid and
road test vehicle to verify repair.
INSTALLATION
(1) Check condition of O-ring seals on valve body
harness connector (Fig. 323). Replace seals on con-
nector body if cut or worn.
(2) Check condition of manual lever shaft seal in
transmission case. Replace seal if lip is cut or worn.
Install new seal with 15/16 deep well socket (Fig.
324).
(3) Check condition of seals on accumulator piston
(Fig. 325). Install new piston seals, if necessary.
(4) Place valve body manual lever in low (1 posi-
tion) so ball on park lock rod will be easier to install
in sprag.
(5) Lubricate shaft of manual lever with petroleum
jelly. This will ease inserting shaft through seal in
case.
(6) Lubricate seal rings on valve body harness con-
nector with petroleum jelly.
(7) Position valve body in case and work end of
park lock rod into and through pawl sprag. Turn pro-
peller shaft to align sprag and park lock teeth if nec-
essary. The rod will click as it enters pawl. Move rod
to check engagement.
CAUTION: It is possible for the park rod to displace
into a cavity just above the pawl sprag during
installation. Make sure the rod is actually engaged
in the pawl and has not displaced into this cavity.
(8) Install accumulator springs and piston into
case. Then swing valve body over piston and outer
spring to hold it in place.
(9) Align accumulator piston and outer spring,
manual lever shaft and electrical connector in case.
(10) Then seat valve body in case and install one
or two bolts to hold valve body in place.
(11) Tighten valve body bolts alternately and
evenly to 11 N´m (100 in. lbs.) torque.
(12) Install new fluid filter on valve body. Tighten
filter screws to 4 N´m (35 in. lbs.) torque.
(13) Install throttle and gearshift levers on valve
body manual lever shaft.
(14) Check and adjust front and rear bands if nec-
essary.
Fig. 321 Solenoid Harness Case Connector
Shoulder Bolt
1 - SOLENOID HARNESS CASE CONNECTOR
2 - 3-4 ACCUMULATOR HOUSING
Fig. 322 Solenoid Harness Routing
1 - OVERDRIVE/CONVERTER SOLENOID WIRE HARNESS
2 - 3-4 ACCUMULATOR COVER PLATE
21 - 256 AUTOMATIC TRANSMISSION - 46REBR/BE
VALVE BODY (Continued)

Page 1710 of 2255

DODGE RAM 2002 Service Repair Manual (15) Connect solenoid case connector wires.
(16) Install oil pan and new gasket. Tighten pan
bolts to 13.6 N´m (125 in. lbs.) torque.
(17) Lower vehicle and fill transmission with
MopartATF +4, type

Page 1711 of 2255

DODGE RAM 2002 Service Repair Manual One complete turn of the adjusting screw changes
line pressure approximately 1-2/3 psi (9 kPa).
Turning the adjusting screw counterclockwise
increases pressure while turning the screw clockwise
decrea

Page 1712 of 2255

DODGE RAM 2002 Service Repair Manual AUTOMATIC TRANSMISSION - 47RE
TABLE OF CONTENTS
page page
AUTOMATIC TRANSMISSION - 47RE
DESCRIPTION........................261
OPERATION..........................263
DIAGNOSIS AND TESTING
DIAGNOSIS AN

AUTOMATIC TRANSMISSION - 47RE
TABLE OF CONTENTS
page page
AUTOMATIC TRANSMISSION - 47RE
DESCRIPTION........................261
OPERATION..........................263
DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - AUTOMATIC
TRANSMISSION.....................268
DIAGNOSIS AND TESTING - PRELIMINARY. . 269
DIAGNOSIS AND TESTING - ROAD
TESTING...........................269
DIAGNOSIS AND TESTING - HYDRAULIC
PRESSURE TEST....................270
DIAGNOSIS AND TESTING - AIR TESTING
TRANSMISSION CLUTCH AND BAND
OPERATION........................272
DIAGNOSIS AND TESTING - CONVERTER
HOUSING FLUID LEAK................273
DIAGNOSIS AND TESTING - DIAGNOSIS
CHARTS...........................274
STANDARD PROCEDURE - ALUMINUM
THREAD REPAIR.....................286
REMOVAL............................286
DISASSEMBLY........................287
CLEANING...........................293
INSPECTION.........................293
ASSEMBLY...........................294
INSTALLATION........................300
SCHEMATICS AND DIAGRAMS
HYDRAULIC SCHEMATICS.............302
SPECIFICATIONS
TRANSMISSION.....................314
SPECIAL TOOLS
RE TRANSMISSION..................316
ACCUMULATOR
DESCRIPTION........................319
OPERATION..........................320
INSPECTION.........................320
BANDS
DESCRIPTION........................320
OPERATION..........................321
ADJUSTMENTS
ADJUSTMENT - BANDS...............321
ELECTRONIC GOVERNOR
DESCRIPTION........................322
OPERATION..........................323
REMOVAL............................324
INSTALLATION........................324
EXTENSION HOUSING BUSHING
REMOVAL............................326
INSTALLATION........................326EXTENSION HOUSING SEAL
REMOVAL............................326
INSTALLATION........................327
FLUID AND FILTER
DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - EFFECTS OF
INCORRECT FLUID LEVEL.............327
DIAGNOSIS AND TESTING - CAUSES OF
BURNT FLUID.......................327
DIAGNOSIS AND TESTING - FLUID
CONTAMINATION....................327
STANDARD PROCEDURE
STANDARD PROCEDURE - FLUID LEVEL
CHECK............................328
STANDARD PROCEDURE - FLUID AND
FILTER REPLACEMENT...............329
STANDARD PROCEDURE - TRANSMISSION
FILL...............................330
FRONT CLUTCH
DESCRIPTION........................330
OPERATION..........................330
DISASSEMBLY........................331
INSPECTION.........................332
ASSEMBLY...........................333
FRONT SERVO
DESCRIPTION........................334
OPERATION..........................334
DISASSEMBLY........................334
CLEANING...........................334
INSPECTION.........................335
ASSEMBLY...........................335
OIL PUMP
DESCRIPTION........................336
OPERATION..........................336
STANDARD PROCEDURE - OIL PUMP
VOLUME CHECK.....................336
DISASSEMBLY........................337
CLEANING...........................338
INSPECTION.........................339
ASSEMBLY...........................340
OUTPUT SHAFT FRONT BEARING
REMOVAL............................342
INSTALLATION........................342
OUTPUT SHAFT REAR BEARING
REMOVAL............................343
INSTALLATION........................343
OVERDRIVE CLUTCH
DESCRIPTION........................343
OPERATION..........................343
BR/BEAUTOMATIC TRANSMISSION - 47RE 21 - 259

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