2002 DODGE RAM Service Repair Manual

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Page 1697 of 2255

DODGE RAM 2002 Service Repair Manual (11) Remove 2-3 shift valve and spring from valve
body (Fig. 300).
(12) Remove pressure plug cover (Fig. 300).
(13) Remove line pressure plug, sleeve, throttle
pressure plug and spring (Fig. 300).
VAL

(11) Remove 2-3 shift valve and spring from valve
body (Fig. 300).
(12) Remove pressure plug cover (Fig. 300).
(13) Remove line pressure plug, sleeve, throttle
pressure plug and spring (Fig. 300).
VALVE BODY LOWER HOUSING
(1) Remove timing valve cover.
(2) Remove 3-4 timing valve and spring.
(3) Remove 3-4 quick fill valve, spring and plug.
(4) Remove 3-4 shift valve and spring.(5) Remove converter clutch valve, spring and plug
(Fig. 301).
(6) Remove converter clutch timing valve, retainer
and valve spring.
3-4 ACCUMULATOR HOUSING
(1) Remove end plate from housing.
(2) Remove piston spring.
(3) Remove piston. Remove and discard piston
seals (Fig. 302).
CLEANING
Clean the valve housings, valves, plugs, springs,
and separator plates with a standard parts cleaning
solution only. Do not use gasoline, kerosene, or any
type of caustic solution.
Do not immerse any of the electrical components in
cleaning solution. Clean the governor solenoid and
sensor and the dual solenoid and harness assembly
by wiping them off with dry shop towels only.
Dry all except the electrical parts with compressed
air. Make sure all passages are clean and free from
obstructions.Do not use rags or shop towels to
dry or wipe off valve body components. Lint
from these materials can stick to valve body
parts, interfere with valve operation, and clog
filters and fluid passages.
Wipe the governor pressure sensor and solenoid
valve with dry, lint free shop towels only. The O-rings
on the sensor and solenoid valve are the only service-
able components. Be sure the vent ports in the sole-
noid valve are open and not blocked by dirt or debris.
Replace the valve and/or sensor only when DRB scan
tool diagnosis indicates this is necessary. Or, if either
part has sustained physical damage (dented,
deformed, broken, etc.).
CAUTION: Do not turn the small screw at the end of
the solenoid valve for any reason. Turning the
screw in either direction will ruin solenoid calibra-
tion and result in solenoid failure. In addition, the
filter on the solenoid valve is NOT serviceable. Do
not try to remove the filter as this will damage the
valve housing.
INSPECTION
Inspect the throttle and manual valve levers and
shafts. Do not attempt to straighten a bent shaft or
correct a loose lever. Replace these components if
worn, bent, loose or damaged in any way.
Inspect all of the valve body mating surfaces for
scratches, nicks, burrs, or distortion. Use a straight-
edge to check surface flatness. Minor scratches may
be removed with crocus cloth using only very light
pressure.
Fig. 297 Check Ball Locations In Upper Housing
1 - SMALL DIAMETER CHECK BALLS (6)
2 - LARGE DIAMETER CHECK BALL (1)
Fig. 298 Shuttle Valve E-Clip And Secondary Spring
1 - E-CLIP
2 - SECONDARY SPRING AND GUIDES
3 - SHUTTLE VALVE
21 - 244 AUTOMATIC TRANSMISSION - 46REBR/BE
VALVE BODY (Continued)

Page 1698 of 2255

DODGE RAM 2002 Service Repair Manual Minor distortion of a valve body mating surface
may be corrected by smoothing the surface with a
sheet of crocus cloth. Position the crocus cloth on a
surface plate, sheet of plate glass or equally fl

Page 1699 of 2255

DODGE RAM 2002 Service Repair Manual Check the two separator plates for distortion or
damage of any kind. Inspect the upper housing,
lower housing, 3-4 accumulator housing, and transfer
plate carefully. Be sure all fluid passages are cle

Page 1700 of 2255

DODGE RAM 2002 Service Repair Manual Fig. 301 Lower Housing Shift Valves and Springs
1 - 3-4 ACCUMULATOR HOUSING 11 - TIMING VALVE COVER
2 - 3-4 SHIFT VALVE AND SPRING 12 - PLUG
3 - PLUG 13 - 3-4 TIMING VALVE AND SPRING
4 - SPRING RETAIN

Page 1701 of 2255

DODGE RAM 2002 Service Repair Manual ASSEMBLY
CAUTION: Do not force valves or plugs into place
during reassembly. If the valve body bores, valves
and plugs are free of distortion or burrs, the valve
body components should all slide into

Page 1702 of 2255

DODGE RAM 2002 Service Repair Manual UPPER AND LOWER HOUSING
(1) Position upper housing so internal passages
and check ball seats are facing upward. Then install
check balls in housing (Fig. 306). Eight check balls
are used. The single l

Page 1703 of 2255

DODGE RAM 2002 Service Repair Manual UPPER HOUSING VALVE AND PLUG
Refer to (Fig. 311), (Fig. 312) and (Fig. 313) to per-
form the following steps.
(1) Lubricate valves, plugs, springs with clean
transmission fluid.(2) Assemble regulator

Page 1704 of 2255

DODGE RAM 2002 Service Repair Manual Fig. 311 Shuttle and Boost Valve Locations
1 - SPRING 8 - SHUTTLE VALVE COVER
2 - RETAINER 9 - SHUTTLE VALVE
3 - BOOST VALVE 10 - SHUTTLE VALVE PRIMARY SPRING
4 - BOOST VALVE PLUG 11 - GOVERNOR PLUG C

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