POWERTRAX Grip Pro - Page 7

GRIP PRO INSTALLATION MANUAL
7
17. Inspect dierential bearings and
replace if needed. Always replace
both the cup and cone as a set from
the same manufacturer.
18. Thoroughly clean the dierential
bearing hubs and ring gear mounting
ange prior to installation of the
bearings and ring gear.
19. Install the dierential bearing
cones onto the bearing hubs of the
dierential case using the proper
installation tool. See Figure 4.
Note: Many Dana® applications use
shims between the bearing cone
and the dierential case bearing hub
shoulder. The bearing cones must be
removed to make adjustments to the
shim pack thickness.
20. For adjuster nuts, skip to Step 23.
21. Install dierential with the bearing
cups and shims into the dierential
housing. Adjust the shim pack as
necessary to create a slip t of
the dierential into the dierential
housing. A slip t is the thickest
shim pack that can be installed by
hand with slight resistance. It will be
necessary to rotate the dierential
case after each shim thickness
change to seat the bearings.
22. Remove the dierential from the
dierential housing. Measure the
combined thickness of the shims. This
total shim thickness is what is needed
for installing the dierential (prior to
adding preload to the bearings).
23. Heat the ring gear and anti-lock
tone wheel (if applicable) with a heat
lamp or by submersing in hot water.
Do not exceed 300º F. Do not use a
torch!
24. Install anti-lock tone wheel (if
applicable) while hot onto the outside
diameter of the dierential ring gear
ange as stated in the vehicle service
manual.
25. Install the ring gear while hot onto
the dierential. Use pilot studs to align
the ring gear to the dierential as
shown in Figure 5.
Figure 4
Figure 5