2001 DODGE RAM Service Repair Manual

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Page 2337 of 2889

DODGE RAM 2001 Service Repair Manual SPECIFICATIONS
TRANSMISSION
GENERAL
Component Metric Inch
Planetary end play 0.150-1.22
mm0.006-0.048
in.
Input shaft end play 0.86-2.13
mm0.034-0.084
in.
Clutch pack clearance/
Front.1.78-3.28
mm0.07

Page 2338 of 2889

DODGE RAM 2001 Service Repair Manual PRESSURE TEST
Overdrive clutch Fourth gear only Pressure should be 469-496 kPa (68-72 psi) with
closed throttle and increase to 620-896 kPa (90-130
psi) at 1/2 to 3/4 throttle.
Line pressure (at
accum

Page 2339 of 2889

DODGE RAM 2001 Service Repair Manual SPECIAL TOOLS
RE TRANSMISSION
Flusher, Oil Cooler - 6906
Remover, Bushing - 6957
Installer, Bushing - 6951
Retainer, Detent Ball and Spring - 6583
Gauge, Block - 6312
Fixture, Engine Support - C-3487-

Page 2340 of 2889

DODGE RAM 2001 Service Repair Manual Studs, Oil Pump Pilot - C-3288-B
Gauge, Pressure - C-3292
Gauge, Pressure - C-3293SP
Set, Dial Indicator - C-3339
Compressor, Spring - C-3422-B
Puller, Slide Hammer - C-3752
Gauge, Throttle Setting -

Page 2341 of 2889

DODGE RAM 2001 Service Repair Manual Installer, Seal - C-3995-A
Handle, Universal - C-4171
Remover/Installer, Bushing - C-4470
Dial Caliper - C-4962
Set, Bushing Remover/Installer - C-3887-J
Nut, Bushing Remover - SP-1191, From kit C-388

Page 2342 of 2889

DODGE RAM 2001 Service Repair Manual ACCUMULATOR
DESCRIPTION
The accumulator (Fig. 60) is a hydraulic device
that has the sole purpose of cushioning the applica-
tion of a band or clutch. The accumulator consists of
a dual-land piston an

Page 2343 of 2889

DODGE RAM 2001 Service Repair Manual OPERATION
Both the accumulator and the 3-4 accumulator
function the same. Line pressure is directed to the
small end of the piston when the transmission is
placed into a DRIVE position (Fig. 62), bott

Page 2344 of 2889

DODGE RAM 2001 Service Repair Manual BANDS
DESCRIPTION
KICKDOWN (FRONT) BAND
The kickdown, or ªfrontº, band (Fig. 65) holds the
common sun gear of the planetary gear sets. The
front (kickdown) band is made of steel, and faced on
its in

BANDS
DESCRIPTION
KICKDOWN (FRONT) BAND
The kickdown, or ªfrontº, band (Fig. 65) holds the
common sun gear of the planetary gear sets. The
front (kickdown) band is made of steel, and faced on
its inner circumference with a friction-type lining.
One end of the band is anchored to the transmission
case, and the other is acted on with a pushing force
by a servo piston. The front band is a single-wrap
design (the band does not completely encompass/
wrap the drum that it holds).
LOW/REVERSE (REAR) BAND
The low/reverse band, or ªrearº, band (Fig. 66) is
similar in appearance and operation to the front
band. The rear band is slightly different in that it
does not use a link bar, but is acted directly on by
the apply lever. This is referred to as a double-wrap
band design (the drum is completely encompassed/
wrapped by the band). The double-wrap band pro-
vides a greater holding power in comparison to the
single-wrap design.
OPERATION
KICKDOWN (FRONT) BAND
The kickdown band holds the common sun gear of
the planetary gear sets by applying and holding the
front clutch retainer, which is splined to the sun gear
driving shell, and in turn splined directly to the sun
gear. The application of the band by the servo is typ-
ically done by an apply lever and link bar.
LOW/REVERSE (REAR) BAND
The rear band holds the rear planet carrier sta-
tionary by being mounted around and applied to the
low/reverse drum.
ADJUSTMENT - BANDS
FRONT BAND
The front (kickdown) band adjusting screw is
located on the left side of the transmission case
above the manual valve and throttle valve levers.
(1) Raise vehicle.
(2) Loosen band adjusting screw locknut (Fig. 67).
Then back locknut off 3-5 turns. Be sure adjusting
screw turns freely in case. Apply lubricant to screw
threads if necessary.
(3) Tighten band adjusting screw to 8 N´m (72 in.
lbs.) torque with Inch Pound Torque Wrench
C-3380-A, a 3-in. extension and an appropriate
TorxŸ socket.
CAUTION: If Adapter C-3705 is needed to reach the
adjusting screw, tighten the screw to only 5 N´m
(47-50 in. lbs.) torque.
(4) Back off front band adjusting screw 1-7/8
turns.
(5) Hold adjuster screw in position and tighten
locknut to 41 N´m (30 ft. lbs.) torque.
(6) Lower vehicle.
Fig. 65 Front Band
1 - FRONT BAND
2 - TRANSMISSION HOUSING
Fig. 66 Rear Band
1 - ADJUSTING SCREW
2 - LOCKNUT
3 - LEVER
4 - REAR BAND
5 - REACTION PIN
6 - O-RINGS
7 - PIVOT PIN
BR/BEAUTOMATIC TRANSMISSION - 47RE 21 - 709

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