Owners manual

11
51947/51947MX
Revised
7.31.08
front mounting pockets by sliding one end of the
crossmenber into the driver side mounting pocket
from the outside. Push the installed end of the
crossmember as far as it will go to the passenger
side in the mounting pocket. Swing the cross-
member up into the passenger side pocket. Center
the crossmember in the mounting pockets and se-
cure using the OE bolts. See ILLUSTRATION 7.
NOTE: DO NOT
cut the front crossmember
frame mounting pockets.
35. Install the front differential tabs (90-3691), from
hardware pack (90-6516), to the lower holes in the
welded mounting tabs on the front crossmember
using the supplied 5/16” X 1” bolts and hardware.
See ILLUSTRATION 8.
NOTE: Be sure to bolt the tabs (90-3691)to
the outside of the welded crossmember mounting
tabs.
36. Secure the diff mount tabs to the front differential
support bracket (90-3692) using the using the
9/16” X 4” bolt and hardware.
37. Install the rear crossmember (90-3688) into the
rear mounting pockets using the OE bolts. See
ILLUSTRATION 9.
NOTE: Be sure to check for clearance
against the frame.
38. Reinstall the front driveshaft to the front differen-
tial using the previously removed OE hardware.
39. Reattach the wiring harness, wiring clips and the
vent tube to the differential.
IMPORTANT: Secure the vacuum line out
of the way of the steering rack.
NOTE: The differential vent tube may need
to be carefully pulled down to provide more slack for
it’s new mounting position.
40. Unbolt the CV axle retaining nut and remove the
CV axle from the OE knuckle.
41. Separate the knuckle from the lower control arm
and remove the OE knuckle.
42. Disassemble the OE knuckle on your work bench,
remove the bearing hub assembly from the OE
knuckle by removing the OE bolts. Save the
mounting bolts, bearing, and dust shield for re-use.
Discard the OE knuckles.
43. Reassemble the bearing hub and brake dust shields
Illustration 7
Front Crossmember
Install
90-3684 Front
Crossmember
OE Bolt
OE Bolt
90-3697 Pass
Diff Drop
Bracket
90-3694
Drvr Diff
Drop
Bracket
Differential
9/16” X
1 3/4”
Bolts
1/2” X
1 3/4”
Bolts
Illustration 6
Differential Install