2001 DODGE RAM Service Repair Manual

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Page 2137 of 2889

DODGE RAM 2001 Service Repair Manual CONDITION POSSIBLE CAUSES CORRECTION
11. Pump Seal Leaks/Worn/
Damaged.11. Replace seal.
12. Torque Converter Weld
Leak/Cracked Hub.12. Replace converter.
13. Case Porosity Leaks. 13. Replace case.
NO

CONDITION POSSIBLE CAUSES CORRECTION
11. Pump Seal Leaks/Worn/
Damaged.11. Replace seal.
12. Torque Converter Weld
Leak/Cracked Hub.12. Replace converter.
13. Case Porosity Leaks. 13. Replace case.
NOISY OPERATION IN
FOURTH GEAR ONLY1. Overdrive Clutch Discs, Plates or
Snap Rings Damaged.1. Remove unit and rebuild clutch pack.
2. Overdrive Piston or Planetary
Thrust Bearing Damaged.2. Remove and disassemble unit. Replace
either thrust bearing if damaged.
3. Output Shaft Bearings Scored/
Damaged.3. Remove and disassemble unit. Replace
either bearing if damaged.
4. Planetary Gears Worn/Chipped. 4. Remove and overhaul overdrive unit.
5. Overdrive Unit Overrunning Clutch
Rollers Worn/Scored.5. Remove and overhaul overdrive unit.
STANDARD PROCEDURE - ALUMINUM
THREAD REPAIR
Damaged or worn threads in the aluminum transmis-
sion case and valve body can be repaired by the use of
Heli-CoilsŸ, or equivalent. This repair consists of drill-
ing out the worn-out damaged threads. Then tap the hole
with a special Heli-CoilŸ tap, or equivalent, and install-
ing a Heli-CoilŸ insert, or equivalent, into the hole. This
brings the hole back to its original thread size.
Heli-CoilŸ, or equivalent, tools and inserts are
readily available from most automotive parts suppliers.
REMOVAL
The overdrive unit can be removed and serviced sep-
arately. It is not necessary to remove the entire trans-
mission assembly to perform overdrive unit repairs.
(1) Disconnect battery negative cable.
(2) Disconnect and lower or remove necessary
exhaust components.
(3) Remove engine-to-transmission struts, if
equipped (Fig. 13).
(4) Disconnect fluid cooler lines at transmission.
(5) Remove starter motor. (Refer to 8 - ELECTRI-
CAL/STARTING/STARTER MOTOR - REMOVAL)
(6) Disconnect and remove the crankshaft position
sensor. (Refer to 14 - FUEL SYSTEM/FUEL INJEC-
TION/CRANKSHAFT POSITION SENSOR -
REMOVAL) Retain the sensor attaching bolts.
(7) Remove torque converter access cover.
(8) If transmission is being removed for overhaul,
remove transmission oil pan, drain fluid and reinstall
pan.
(9) Remove fill tube bracket bolts and pull tube
out of transmission. Retain fill tube seal (Fig. 13). On
4 x 4 models, it will also be necessary to remove bolt
attaching transfer case vent tube to converter hous-
ing (Fig. 14).(10) Rotate crankshaft in clockwise direction until
converter bolts are accessible. Then remove bolts one
at a time. Rotate crankshaft with socket wrench on
dampener bolt.
(11) Mark propeller shaft and axle yokes for
assembly alignment. Then disconnect and remove
propeller shaft. On4x4models, remove both propel-
ler shafts. (Refer to 3 - DIFFERENTIAL & DRIV-
ELINE/PROPELLER SHAFT/PROPELLER SHAFT -
REMOVAL)
Fig. 13 Transmission-To-Engine Strut Attachment
1 - ENGINE BLOCK
2 - STRUT (PASSENGER SIDE)
3 - ENGINE MOUNT
4 - STRUT (DRIVER SIDE)
21 - 502 AUTOMATIC TRANSMISSION - 46REBR/BE
AUTOMATIC TRANSMISSION - 46RE (Continued)

Page 2138 of 2889

DODGE RAM 2001 Service Repair Manual (12) Disconnect wires from park/neutral position
switch and transmission solenoid.
(13) Disconnect gearshift rod and torque shaft
assembly from transmission.
(14) Disconnect throttle valve cable from

(12) Disconnect wires from park/neutral position
switch and transmission solenoid.
(13) Disconnect gearshift rod and torque shaft
assembly from transmission.
(14) Disconnect throttle valve cable from transmis-
sion bracket and throttle valve lever.
(15) On4x4models, disconnect shift rod from
transfer case shift lever.
(16)
Support rear of engine with safety stand or jack.
(17) Raise transmission slightly with service jack
to relieve load on crossmember and supports.
(18) Remove bolts securing rear support and cush-
ion to transmission and crossmember. Raise trans-
mission slightly, slide exhaust hanger arm from
bracket (Fig. 15) and remove rear support.(19) Remove bolts attaching crossmember to frame
and remove crossmember.
(20) On4x4models, remove transfer case with
transmission jack or aid of helper.
(21) Remove all converter housing bolts.
(22) Carefully work transmission and torque con-
verter assembly rearward off engine block dowels.
(23) Lower transmission and remove assembly
from under the vehicle.
(24) To remove torque converter, remove C-clamp
from edge of bell housing and carefully slide torque
converter out of the transmission.
DISASSEMBLY
(1) Clean exterior of transmission with suitable
solvent or pressure washer.
(2) Place transmission in vertical position.
(3) Measure the input shaft end play as follows
(Fig. 16).
(a) Attach Adapter 8266-5 to Handle 8266-8.
(b) Attach dial indicator C-3339 to Handle
8266-8.
(c)
Install the assembled tool onto the input shaft
of the transmission and tighten the retaining screw
on Adapter 8266-5 to secure it to the input shaft.
(d)Position the dial indicator plunger against a
flat spot on the oil pump and zero the dial indicator.
(e)Move input shaft in and out and record read-
ing. Record the maximum travel for assembly refer-
ence
Fig. 14 Fill Tube Attachment
1 - TRANSFER CASE VENT TUBE
2 - FILL TUBE (V8)
3 - TUBE SEAL
4 - FILL TUBE (V6)
Fig. 15 Rear Support Cushion
1 - EXHAUST PIPE ARM AND BRACKET
2 - CROSSMEMBER
3 - REAR SUPPORT AND CUSHION
Fig. 16 Checking Input Shaft End Play
1 - TOOL 8266-8
2 - TOOL 8266-5
3 - TOOL C-3339
BR/BEAUTOMATIC TRANSMISSION - 46RE 21 - 503
AUTOMATIC TRANSMISSION - 46RE (Continued)

Page 2139 of 2889

DODGE RAM 2001 Service Repair Manual (4) Remove throttle and shift levers from valve
body manual shaft and throttle lever shaft.
(5) Remove transmission oil pan and gasket.
(6)
Remove filter from valve body (Fig. 17). Keep fil-
ter screw

Page 2140 of 2889

DODGE RAM 2001 Service Repair Manual (12) Remove front band lever pin access plug (Fig.
21). Use square end of 1/4 in. drive extension to
remove plug as shown.
(13) Remove oil pump and reaction shaft support
assembly as follows:
(a) Tigh

Page 2141 of 2889

DODGE RAM 2001 Service Repair Manual (14) Remove oil pump gasket (Fig. 25). Note gas-
ket position in case for assembly reference.
(15) Loosen front band adjusting screw until band
is completely loose.
(16) Remove front band strut and an

Page 2142 of 2889

DODGE RAM 2001 Service Repair Manual (19) Remove front band reaction pin and lever.
Start pin through lever and out of case bore with
drift or punch. Then use pencil magnet to withdraw
pin completely (Fig. 29).
(20) Remove intermediate s

Page 2143 of 2889

DODGE RAM 2001 Service Repair Manual (25) Remove snap-ring that retains low-reverse
drum on overdrive piston retainer hub (Fig. 33).
(26) Slide low-reverse drum and thrust washer off
piston retainer hub and out of rear band (Fig. 34).
(2

Page 2144 of 2889

DODGE RAM 2001 Service Repair Manual (32) Compress front servo rod guide with large
C-clamp and Tool C-4470, or Compressor Tool
C-3422-B (Fig. 39). Compress guide only enough to
permit snap-ring removal (about 1/8 in.).
(33) Remove servo

(32) Compress front servo rod guide with large
C-clamp and Tool C-4470, or Compressor Tool
C-3422-B (Fig. 39). Compress guide only enough to
permit snap-ring removal (about 1/8 in.).
(33) Remove servo piston snap-ring (Fig. 39).
Unseat one end of ring. Then carefully work removal
tool around back of ring until free of ring groove.Exercise caution when removing snap-ring.
Servo bore can be scratched or nicked if care is
not exercised.
(34) Remove tools and remove servo piston and
spring.
(35) Compress rear servo piston with C-clamp and
Tool C-4470, or Valve Spring Compressor C-3422-B
(Fig. 40). Compress servo spring retainer only
enough to permit snap-ring removal.
(36) Remove servo piston snap-ring (Fig. 40). Start
one end of ring out of bore. Then carefully work
removal tool around back of snap-ring until free of
ring groove.Exercise caution when removing
snap-ring. Servo bore can be scratched or
nicked if care is not exercised.
(37) Remove tools and remove rear servo retainer,
spring and piston assembly.
CLEANING
Clean the case in a solvent tank. Flush the case
bores and fluid passages thoroughly with solvent.
Dry the case and all fluid passages with compressed
air. Be sure all solvent is removed from the case and
that all fluid passages are clear.
NOTE: Do not use shop towels or rags to dry the
case (or any other transmission component) unless
they are made from lint-free materials. Lint will stick
to case surfaces and transmission components and
circulate throughout the transmission after assem-
bly. A sufficient quantity of lint can block fluid pas-
sages and interfere with valve body operation.
Fig. 37 Rear Band Levers And Pins
1 - REAR BAND ADJUSTING LEVER
2 - REACTION LEVER
3 - BAND LINK
4 - REAR BAND REACTION PIN
Fig. 38 Rear Band And Link
1 - BAND LINK
2 - REAR BAND
Fig. 39 Front Servo Retaining Snap-Ring
1 - C-CLAMP
2 - FRONT SERVO ROD GUIDE
3 - SNAP-RING
4 - TOOL C-4470
BR/BEAUTOMATIC TRANSMISSION - 46RE 21 - 509
AUTOMATIC TRANSMISSION - 46RE (Continued)

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