2001 DODGE RAM Service Repair Manual

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Page 97 of 2889

DODGE RAM 2001 Service Repair Manual Fig. 21 Gear Tooth Contact Patterns
3 - 24 FRONT AXLE - 216FBIBR/BE
FRONT AXLE - 216FBI (Continued)

Page 98 of 2889

DODGE RAM 2001 Service Repair Manual SPECIFICATIONS
FRONT AXLE - 216FBI
AXLE SPECIFICATIONS
DESCRIPTION SPECIFICATION
Axle Ratio 3.55, 3.92, 4.10
Ring Gear Diameter 216 mm (8.50 in.)
Ring Gear Backlash 0.12-0.20 mm (0.005-0.008 in.)
Pini

Page 99 of 2889

DODGE RAM 2001 Service Repair Manual FLANGE WRENCH - C-3281
PILOTS - C-3288-B
DIAL INDICATOR - C-3339
INSTALLER, BEARING - C-3716-A
INSTALLER, CUP - D-146
HANDLE, DRIVE - C-4171
INSTALLER, CUP - D-144
REMOVER, CUP - D-147
REMOVER, CUP -

Page 100 of 2889

DODGE RAM 2001 Service Repair Manual REMOVER/INSTALLER BEARING D-354
INSTALLER, YOKE - W-162-D
INSTALLER, BEARING - W-262
INSTALLER, SEAL - 5041
PULLER/PRESS - C-293-PA
BLOCK, ADAPTERS - C-293-40
BLOCK, ADAPTER - C-293-18
ADAPTER PLUG -

Page 101 of 2889

DODGE RAM 2001 Service Repair Manual AXLE SHAFTS
REMOVAL
(1) Raise and support the vehicle.
(2) Remove wheel and tire assembly.
(3) Remove brake caliper and rotor. Refer to
Brakes for procedures.
(4) Remove ABS wheel speed sensor if equi

AXLE SHAFTS
REMOVAL
(1) Raise and support the vehicle.
(2) Remove wheel and tire assembly.
(3) Remove brake caliper and rotor. Refer to
Brakes for procedures.
(4) Remove ABS wheel speed sensor if equipped.
Refer to Brakes for procedures.
(5) Remove the cotter pin and axle hub nut.
(6) Remove hub bearing bolts (Fig. 22) and remove
hub bearing from the steering knuckle.
(7) Remove brake dust shield from knuckle.
(8) Remove axle shaft from the housing. Avoid
damaging the axle shaft oil seal.
INSTALLATION
(1) Clean axle shaft and apply a thin film of
Mopar Wheel Bearing Grease to the shaft splines,
seal contact surface, hub bore.
(2) Install axle shaft into the housing and differen-
tial side gears. Avoid damaging axle shaft oil seals in
the differential.
(3) Install dust shield and hub bearing on knuckle.
(4) Install hub bearing bolts and tighten to 170
N´m (125 ft. lbs.).
(5) Install axle washer and nut, tighten nut to 237
N´m (175 ft. lbs.). Align nut to next cotter pin hole
and install new cotter pin.
(6) Install ABS wheel speed sensor, brake rotor
and caliper. Refer to Brakes for proper procedures.
(7) Install wheel and tire assembly.
(8) Remove support and lower the vehicle.
AXLE SHAFTS -
INTERMEDIATE
REMOVAL
(1) Remove vacuum shift motor housing.
(2) Remove outer axle shaft.
(3) Remove inner axle shaft seal from shift motor
housing with a long drift or punch. Be careful not to
damage housing.
(4) Remove intermediate axle shaft and shift col-
lar.
(5) Remove intermediate axle shaft bearing (Fig.
23).
INSTALLATION
(1) Position bearing on the installation tool and
seat the bearing (Fig. 24) in the housing bore.
(2) Clean the inside perimeter of the axle shaft
tube with fine crocus cloth.
(3) Apply a light film of oil to the inside lip of the
new axle shaft seal.
(4) Install the inner axle seal (Fig. 25).
(5) Install shift collar in the axle housing.
(6) Lubricate the splined end of the intermediate
axle shaft with multi-purpose lubricant.
(7) Insert the intermediate axle shaft into the dif-
ferential side gear.
CAUTION: Apply all-purpose lubricant to the axle
shaft splines to prevent damage to the seal during
axle shaft installation.
Fig. 22 Hub and Knuckle
1 - KNUCKLE
2 - HUB BEARING
Fig. 23 Bearing Removal
1 - BEARING
2 - SHIFT MOTOR HOUSING OPENING
3 - AXLE TUBE
4 - LOCATION FOR OPEN-END WRENCH
5 - SPECIAL TOOL 5041-2
6 - NUT
7 - SPECIAL TOOL 5041-3
8 - SPECIAL TOOL D-354-2
3 - 28 FRONT AXLE - 216FBIBR/BE

Page 102 of 2889

DODGE RAM 2001 Service Repair Manual (8) Insert axle shaft into the tube and engage
splined end of the shaft with the shift collar.
(9) Install vacuum shift motor housing.
AXLE SHAFT SEALS
REMOVAL
(1) Remove hub bearings and axle shafts.

Page 103 of 2889

DODGE RAM 2001 Service Repair Manual OPERATION
The shift motor receives a vacuum signal from the
switch mounted on the transfer case when the vehi-
cle operator wants to switch from two wheel drive
mode to four wheel drive mode, or vice

Page 104 of 2889

DODGE RAM 2001 Service Repair Manual DIAGNOSIS AND TESTING - VACUUM MOTOR
AXLE VACUUM SHIFT MOTOR
BR/BEFRONT AXLE - 216FBI 3 - 31
AXLE VACUUM MOTOR (Continued)

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