Dodge 2001 Ram 1500 Owner's Manual page 234

BR/BE
DIFFERENTIAL (Continued)
Fig. 34 Differential Cover
1 - SEALANT SURFACE
2 - SEALANT
3 - SEALANT THICKNESS
DIFFERENTIAL - POWR-LOK
DIAGNOSIS AND TESTING - POWR-LOK
TEST
WARNING: WHEN SERVICING VEHICLES WITH A
POWER-LOK DIFFERENTIAL DO NOT USE THE
ENGINE TO TURN THE AXLE AND WHEELS. BOTH
REAR WHEELS MUST BE RAISED AND THE VEHI-
CLE SUPPORTED. A POWER-LOK
EXERT ENOUGH FORCE IF ONE WHEEL IS IN CON-
TACT WITH A SURFACE TO CAUSE THE VEHICLE
TO MOVE.
The differential can be tested without removing the
differential case by measuring rotating torque. Make
sure brakes are not dragging during this measure-
ment.
(1) Place blocks in front and rear of both front
wheels.
(2) Raise one rear wheel until it is completely off
the ground.
(3) Engine off, transmission in neutral, and park-
ing brake off.
(4) Remove wheel and bolt Special Tool 6790 to
studs.
(5) Use torque wrench on special tool to rotate
wheel and read rotating torque (Fig. 35).
1 - SPECIAL TOOL 6790 WITH BOLT IN CENTER HOLE
2 - TORQUE WRENCH
(6) If rotating torque is less than 22 N·m (30 ft.
lbs.) or more than 271 N·m (200 ft. lbs.) on either
wheel the unit should be serviced.
DISASSEMBLY
The Powr-Lok
shaft and uses 2 disc and 3 plates for each clutch
pack. One plate and one disc in each clutch pack is
dished.
NOTE: Pay close attention to the clutch pack
arrangement during this procedure. Note the direc-
tion of the concave and convex side of the plates
AXLE CAN
and discs.
(1) Mark the ring gear half and cover half for
installation reference (Fig. 36).
(2) Remove the case attaching bolts and remove
the button cover half (Fig. 37).
(3) Remove top clutch pack (Fig. 38).
(4) Remove top side gear clutch ring.
(5) Remove top side gear.
(6) Remove pinion mate gears and cross shafts.
(7) Remove the same parts listed above from the
ring gear flange half of the case. Keep these parts
with the flange cover half for correct installation in
their original positions.
REAR AXLE - 267RBI
Fig. 35 Powr-lok Test -Typical
differential has a two-piece cross
3 - 161