2001 DODGE RAM Service Repair Manual

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Page 1721 of 2889

DODGE RAM 2001 Service Repair Manual Installer 6061
Installer C-4340
Installer C-4040
Installer 6448
Installer C-4308
Installer 6052
Rod Extension 8161
Installer 6446
Jaws 6445
21 - 86 MANUAL - NV4500BR/BE
MANUAL - NV4500 (Continued)

Page 1722 of 2889

DODGE RAM 2001 Service Repair Manual ADAPTER HOUSING SEAL
REMOVAL
(1) Raise and support vehicle.
(2) Mark the propeller shafts and yokes for instal-
lation reference and remove the shafts.
(3) Support transmission with a transmission jac

Page 1723 of 2889

DODGE RAM 2001 Service Repair Manual (7) Remove support and lower vehicle.
SHIFT MECHANISM
REMOVAL
(1) Remove transmission from vehicle.
(2) Remove shift cover bolts (Fig. 132).
(3) Loosen shift cover with pry tool. To avoid dam-
aging c

Page 1724 of 2889

DODGE RAM 2001 Service Repair Manual EXPANSION PLUG
The expansion plugs at the rear of the shift rail
bores (Fig. 136) can be replaced if loose and/or leak-
ing.
(1) Drill 6 mm (1/4 in.) diameter hole in center of
each plug to be removed

EXPANSION PLUG
The expansion plugs at the rear of the shift rail
bores (Fig. 136) can be replaced if loose and/or leak-
ing.
(1) Drill 6 mm (1/4 in.) diameter hole in center of
each plug to be removed.
(2) Pry plug out of cover with tapered punch.
(3) Clean all chips from shift cover and plug bores.
Then clean plug bores with solvent and dry with
clean shop towel.
INSTALLATION
EXPANSION PLUG
(1) Apply small bead of sealer to outer edge of
each new plug. Use Mopartsilicone adhesive/sealer,
or equivalent.
(2) Position each new plug in bore and tap into
place with hammer and suitable size punch or socket.
FIFTH-REVERSE SHIFT FORK PADS
(1) Align pad locating tab.
(2) Snap pads into place and verify locating tabs
are locked-in.
SHIFT COVER
(1) Clean mating surfaces of shift cover and gear
case with wax and grease remover.
(2) Apply MopartSilicone Sealer, or equivalent, to
sealing surface of shift cover or gear case. Do not
over±apply sealer material. Excess can be squeezed
into gear case and could block lubricant feed holes in
time.
(3) Lubricate synchro sleeves with Castrol Syntorq
gear lubricant. Then apply light coat of petroleum
jelly to shift fork contact surfaces.
(4) Verify that the shift fork pads (Fig. 137) are
properly and securely positioned on the fifth-reverse
fork
(5) Verify that 1-2 and 3-4 synchro sleeves are in
neutral position. Also verify that forks in shift cover
are in neutral position.
(6) Align and install shift cover. If cover will not
seat, it is either not aligned on gear case dowels, or
shift forks are not aligned with sleeves and shift lug.
(7) Apply MopartLock N' Seal, or equivalent, to
threads of shift cover bolts.
(8) Install and tighten shift cover bolts to 27-31
N´m (216-276 in. lbs.).
(9) Install backup lamp switch and gasket in cover.
Apply sealer to switch threads before installation and
tighten switch to 22-34 N´m (193-265 in. lbs.).
(10) Install vent assembly, if removed. Apply an
adhesive/sealer to vent tube to help secure it in cover.
(11) Install transmission.
Fig. 135 Shift Fork Pad Locations
1 - SHIFT FORK PADS
2 - FIFTH-REVERSE FORK
Fig. 136 Expansion Plug Location
1 - EXPANSION PLUGS
Fig. 137 Fifth-Reverse Shift Fork Pads
1 - SHIFT FORK PADS
2 - FIFTH-REVERSE FORK
BR/BEMANUAL - NV4500 21 - 89
SHIFT MECHANISM (Continued)

Page 1725 of 2889

DODGE RAM 2001 Service Repair Manual SHIFT COVER
REMOVAL
(1) Shift transmission into Neutral.
(2) Unscrew and remove the shift lever extension
from the shift
(3) Remove screws attaching shift boot to floorpan.
Then slide boot upward on t

Page 1726 of 2889

DODGE RAM 2001 Service Repair Manual MANUAL - NV5600
TABLE OF CONTENTS
page page
MANUAL - NV5600
DESCRIPTION...........................91
OPERATION.............................93
DIAGNOSIS AND TESTING.................93
MANUAL TRANSMISSI

Page 1727 of 2889

DODGE RAM 2001 Service Repair Manual Fig. 1 NV5600 Manual Transmission
21 - 92 MANUAL - NV5600BR/BE
MANUAL - NV5600 (Continued)

Page 1728 of 2889

DODGE RAM 2001 Service Repair Manual SHIFT PATTERN
The shift pattern is in a modified H pattern (Fig.
2). Overdrive fifth and sixth gears are in line and
outboard of the first through fourth gear positions.
Reverse gear is to the right o

SHIFT PATTERN
The shift pattern is in a modified H pattern (Fig.
2). Overdrive fifth and sixth gears are in line and
outboard of the first through fourth gear positions.
Reverse gear is to the right of fifth and sixth and for-
ward of the neutral gate.
GEAR RATIOS
GEAR RATIO
FIRST 5.63:1
SECOND 3.38:1
THIRD 2.04:1
FOURTH 1.39:1
FIFTH 1.00:1
SIXTH 0.73:1
REVERSE 5.63:1
IDENTIFICATION
The transmission has two identification tags
attached to the driver side upper clutch housing (Fig.
3).
One tag provides the transmission part number.
The second tag provides sequencing and build date
information. The information on the tags are essen-
tial to correct parts ordering.
OPERATION
The manual transmission receives power through
the clutch assembly from the engine. The clutch disc
is splined to the transmission input shaft and is
turned at engine speed at all times that the clutch is
engaged. The input shaft is connected to the trans-
mission countershaft through the mesh of fourth
speed gear on the input shaft and the fourth counter-
shaft gear. At this point, all the transmission gears
are spinning.The driver selects a particular gear by moving the
shift lever to the desired gear position. This move-
ment moves the internal transmission shift compo-
nents to begin the shift sequence. As the shift lever
moves the selected shift rail, the shift fork attached
to that rail begins to move. The fork is positioned in
a groove in the outer circumference of the synchro-
nizer sleeve. As the shift fork moves the synchronizer
sleeve, the synchronizer begins to speed-up or slow
down the selected gear (depending on whether we are
up-shifting or down-shifting). The synchronizer does
this by having the synchronizer hub splined to the
mainshaft, or the countershaft in some cases, and
moving the blocker ring into contact with the gear's
friction cone. As the blocker ring and friction cone
come together, the gear speed is brought up or down
to the speed of the synchronizer. As the two speeds
match, the splines on the inside of the synchronizer
sleeve become aligned with the teeth on the blocker
ring and the friction cone and eventually will slide
over the teeth, locking the gear to the mainshaft, or
countershaft, through the synchronizer.
DIAGNOSIS AND TESTING - MANUAL
TRANSMISSION
LOW LUBRICANT LEVEL
A low transmission lubricant level is generally the
result of a leak, inadequate lubricant fill or an incor-
rect lubricant level check.
Leaks can occur at the mating surfaces of the gear
case, adaptor or extension housing, or from the front/
rear seals. A suspected leak could also be the result
of an overfill condition.
Leaks at the rear of the extension or adapter hous-
ing will be from the housing oil seals. Leaks at com-
ponent mating surfaces will probably be the result of
inadequate sealer, gaps in the sealer, incorrect bolt
tightening or use of a non-recommended sealer.
Fig. 2 Shift Pattern
Fig. 3 Identification Tag Location
1 - IDENTIFICATION TAGS
BR/BEMANUAL - NV5600 21 - 93
MANUAL - NV5600 (Continued)

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