2001 DODGE RAM Service Repair Manual

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Page 1969 of 2889

DODGE RAM 2001 Service Repair Manual (22) Remove front and rear clutch units as assem-
bly. Grasp input shaft, hold clutch units together and
remove them from case (Fig. 24).
(23) Lift front clutch off rear clutch (Fig. 25). Set
clutch u

Page 1970 of 2889

DODGE RAM 2001 Service Repair Manual (26) Slide front band off driving shell (Fig. 28) and
remove band from case.
(27) Remove planetary geartrain as assembly (Fig.
29). Support geartrain with both hands during
removal. Do not allow machi

Page 1971 of 2889

DODGE RAM 2001 Service Repair Manual (31) Remove low-reverse drum and reverse band.
(32) Remove overrunning clutch roller and spring
assembly as a unit (Fig. 31).
(33) Compress front servo rod guide about 1/8 inch
with Valve Spring Compr

(31) Remove low-reverse drum and reverse band.
(32) Remove overrunning clutch roller and spring
assembly as a unit (Fig. 31).
(33) Compress front servo rod guide about 1/8 inch
with Valve Spring Compressor C-3422-B (Fig. 32).
(34) Remove front servo rod guide snap-ring. Exer-
cise caution when removing snap-ring. Servo bore
can be scratched or nicked if care is not exercised.
(35) Remove compressor tools and remove front
servo rod guide, spring and servo piston.(36) Compress rear servo spring retainer about
1/16 inch with Valve Spring Compressor C-3422-B
(Fig. 33).
(37) Remove rear servo spring retainer snap-ring.
Then remove compressor tools and remove rear servo
spring and piston.
(38) Inspect transmission components.
NOTE: To Service the overrunning clutch cam or
overdrive piston retainer, refer to the Overrunning
Clutch Cam service procedure in this section.
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.
Lubricate transmission parts with MopartATF +4,
type 9602, transmission fluid during overhaul and
Fig. 31 Overrunning Clutch Assembly Removal
1 - OVERRUNNING CLUTCH CAM
2 - REAR BAND REACTION PIN
3 - OVERRUNNING CLUTCH ASSEMBLY
Fig. 32 Compressing Front Servo Rod Guide
1 - SPRING COMPRESSOR TOOL C-3422-B
2 - ROD GUIDE SNAP-RING
Fig. 33 Compressing Rear Servo Spring
1 - FRONT SERVO SNAP-RING
2 - REAR SERVO SNAP-RING
3 - SPECIAL TOOL
21 - 336 AUTOMATIC TRANSMISSION - 44REBR/BE
AUTOMATIC TRANSMISSION - 44RE (Continued)

Page 1972 of 2889

DODGE RAM 2001 Service Repair Manual assembly. Use petroleum jelly, MopartDoor Ease, or
Ru-GlydeŸ to prelubricate seals, O-rings, and thrust
washers. Petroleum jelly can also be used to hold
parts in place during reassembly.
INSPECTION

assembly. Use petroleum jelly, MopartDoor Ease, or
Ru-GlydeŸ to prelubricate seals, O-rings, and thrust
washers. Petroleum jelly can also be used to hold
parts in place during reassembly.
INSPECTION
Inspect the case for cracks, porous spots, worn
bores, or damaged threads. Damaged threads can be
repaired with Helicoil thread inserts. However, the
case will have to be replaced if it exhibits any type of
damage or wear.
Lubricate the front band adjusting screw threads
with petroleum jelly and thread the screw part-way
into the case. Be sure the screw turns freely.
Inspect the transmission bushings during overhaul.
Bushing condition is important as worn, scored bush-
ings contribute to low pressures, clutch slip and
accelerated wear of other components. However, do
not replace bushings as a matter of course. Replace
bushings only when they are actually worn, or
scored.
Use recommended tools to replace bushings. The
tools are sized and designed to remove, install, and
seat bushings correctly. The bushing replacement
tools are included in Bushing Tool Set C-3887-B.
Pre-sized service bushings are available for
replacement purposes. Only the sun gear bushings
are not serviced.
The use of crocus cloth is permissible where neces-
sary, providing it is used carefully. When used on
shafts, or valves, use extreme care to avoid rounding
off sharp edges. Sharp edges are vital as they pre-
vent foreign matter from getting between the valve
and valve bore.
Do not reuse oil seals, gaskets, seal rings, or
O-rings during overhaul. Replace these parts as a
matter of course. Also do not reuse snap rings or
E-clips that are bent or distorted. Replace these parts
as well.
ASSEMBLY
Do not allow dirt, grease, or foreign material to
enter the case or transmission components during
assembly. Keep the transmission case and compo-
nents clean. Also make sure the tools and workbench
area used for assembly operations are equally clean.
Shop towels used for wiping off tools and hands
must be made fromlint freematerial. Lint will stick
to transmission parts and could interfere with valve
operation, or even restrict fluid passages.
Lubricate the transmission components with
Moparttransmission fluid during reassembly. Use
MopartDoor Ease, or Ru-GlydeŸ on seals and
O-rings to ease installation.
Petroleum jelly can also be used to hold thrust
washers, thrust plates and gaskets in position duringassembly. However,do notuse chassis grease, bear-
ing grease, white grease, or similar lubricants on any
transmission part. These types of lubricants can
eventually block or restrict fluid passages and inter-
fere with valve operation. Use petroleum jelly only.
Do not force parts into place. The transmission
components and subassemblies are easily installed by
hand when properly aligned.
If a part seems extremely difficult to install, it is
either misaligned or incorrectly assembled. Also ver-
ify that thrust washers, thrust plates and seal rings
are correctly positioned before assembly. These parts
can interfere with proper assembly if mis-positioned.
The planetary geartrain, front/rear clutch assem-
blies and oil pump are all much easier to install
when the transmission case is upright.
(1) Install rear servo piston, spring and retainer
(Fig. 34). Install spring on top of servo piston and
install retainer on top of spring.
(2) Install front servo piston assembly, servo
spring and rod guide (Fig. 35).
(3) Compress front/rear servo springs with Valve
Spring Compressor C-3422-B and install each servo
snap-ring (Fig. 36).
Fig. 34 Rear Servo Components
1 - SERVO PISTON
2 - PISTON SPRING
3 - SNAP-RING
4 - RETAINER
5 - PISTON SEAL
BR/BEAUTOMATIC TRANSMISSION - 44RE 21 - 337
AUTOMATIC TRANSMISSION - 44RE (Continued)

Page 1973 of 2889

DODGE RAM 2001 Service Repair Manual (4) Lubricate clutch cam rollers with transmission
fluid.
(5) Install rear band in case (Fig. 37). Be sure twin
lugs on band are seated against reaction pin.
(6) Install low-reverse drum and check ove

Page 1974 of 2889

DODGE RAM 2001 Service Repair Manual (7) Install snap-ring that secures low-reverse drum
to hub of overdrive piston retainer (Fig. 39).
(8) Install rear band lever and pivot pin (Fig. 40).
Align lever with pin bores in case and push pivo

Page 1975 of 2889

DODGE RAM 2001 Service Repair Manual (11) Check seal ring on rear clutch retainer hub
and seal rings on input shaft (Fig. 43). Also verify
that shaft seal rings are installed in sequence shown.
(12) Install rear clutch thrust washer (Fig

Page 1976 of 2889

DODGE RAM 2001 Service Repair Manual (15) Align drive teeth on rear clutch discs with
small screwdriver (Fig. 47). This makes installation
on front planetary easier.
(16) Raise front end of transmission upward as far
as possible and supp

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