2003 DODGE RAM Service Repair Manual

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Page 2001 of 2895

DODGE RAM 2003 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. 33).
(20) Remove intermediate s

Page 2002 of 2895

DODGE RAM 2003 Service Repair Manual (25) Remove snap-ring that retains low-reverse
drum on overdrive piston retainer hub (Fig. 37).
(26) Slide low-reverse drum and thrust washer off
piston retainer hub and out of rear band (Fig. 38).(27

Page 2003 of 2895

DODGE RAM 2003 Service Repair Manual (29) Remove rear band adjusting lever, reaction
lever and pin (Fig. 41).
(30) Remove strut from rear band. Keep strut with
levers and pin for cleaning, inspection and assembly
reference.
(31) Remove r

Page 2004 of 2895

DODGE RAM 2003 Service Repair Manual 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 a

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,
Automatic Transmission fluid during overhaul and
assembly. Use petroleum jelly 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 reassembly operations are equally
clean.
Shop towels used for wiping off tools and your
hands must be made fromlint freematerials. Lint
will stick to transmission parts and could interfere
with valve operation or even restrict fluid passages.
Lubricate transmission clutch and gear compo-
nents with MopartATF +4, Automatic Transmission
fluid, during reassembly. Soak clutch discs in trans-
mission fluid before installation.
Use MopartDoor Ease, or Ru-GlydeŸ on piston
seals and O-rings to ease installation. Petroleum jelly
can also be used to lubricate and hold thrust washers
and plates in position during assembly.
Do not use chassis grease, bearing grease,
white grease, or similar lubricants on any part.
These types of lubricants can eventually block or
restrict fluid passages and valve operation. Use
petroleum jelly only.
Do not force parts into place. The transmission
components and sub-assemblies are easily installed
by hand when properly aligned. If a part seems dif-
ficult to install, it is either misaligned or incorrectly
assembled. Verify that thrust washers, thrust plates
and seal rings are correctly positioned.
The planetary geartrain, front/rear clutch assem-
blies and oil pump are all much easier to install
when the transmission case is upright. Either tilt the
case upward with wood blocks, or cut a hole in the
bench large enough for the intermediate shaft and
rear support. Then lower the shaft and support into
the hole and support the rear of the case directly on
the bench.Fig. 44 Rear Servo Retaining Snap-Ring
1 - TOOL C-4470
2 - C-CLAMP
3 - REAR SERVO SPRING RETAINER
4 - RETAINER SNAP-RING
DRAUTOMATIC TRANSMISSION - 46RE 21 - 165
AUTOMATIC TRANSMISSION - 46RE (Continued)

Page 2005 of 2895

DODGE RAM 2003 Service Repair Manual FRONT/REAR SERVO
(1) Lubricate rear servo piston seal with Mopart
Door Ease or ATF +4. Lubricate servo bore in case
with ATF +4.
(2) Install rear servo piston in case. Position piston
at slight angle

Page 2006 of 2895

DODGE RAM 2003 Service Repair Manual (7) Bottom front servo piston in bore and install
servo spring.
(8) Install front servo piston rod guide as follows:
(a) Place Tool SP-5560 (or similar size tool) on
guide and position C-clamp on tool

Page 2007 of 2895

DODGE RAM 2003 Service Repair Manual (4) Install thrust washer in low-reverse drum spot-
face (Fig. 52). Use petroleum jelly to hold washer in
place.
(5) Install snap-ring that secures low-reverse drum
to piston retainer hub (Fig. 52).
(

Page 2008 of 2895

DODGE RAM 2003 Service Repair Manual (3) Lubricate intermediate shaft thrust plate with
petroleum jelly and install plate on shaft pilot hub
(Fig. 56).
(4) Check input shaft front seal rings, fiber thrust
washer and rear seal ring (Fig.

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