pro comp 57289 - Page 8

57289
REVISED
2.1.06
8
bracket. Install existing OEM bolts
through bracket, spacer and into the two
bottom holes (with loctite). Torque to 70
ft./lbs.
b) Install 1-1/8” spacer tube at rear
of upper OEM rubber mount with 1/2” x
2-1/2” hex bolt, 1/2” flat washer and 1/2”
nyloc nut. Torque to 70 ft./lbs.
c) Install 3/4” spacer tube at rear of
upper OEM rubber mount with 1/2” x 2-
1/4” bolt, 1/2” flat washer and 1/2” nyloc
nut. Torque to 70 ft./lbs.
10) Install passenger side differential
drop bracket using 1/2” x 1-1/4” hex bolt
with 1/2” flat washer and nyloc nut into
upper hole of OEM rubber mount. Wide
part of bracket should be at bottom with
hole towards front, as shown in ILLUS-
TRATION 6. Reinstall OEM bolt through
bracket and into side of differential (using
loctite). Torque to 70 ft./lbs.
11) Install driver side differential
drop bracket using OEM bolts in two
bottom holes (using loctite). Use 1/2” x
1-1/4” hex bolts, 1/2” flat washers and
1/2” nyloc nuts in two upper holes.
Torque to 70 ft./lbs. See ILLUSTRA-
TION 7.
12) Remove tie rods from steering
knuckles. Remove two bolts on back
side of spindle which hold the metal
bracket for the brake hose.
13) Support lower a-arm with floor
jack and separate upper ball joint from
spindle. Using file, file corners off of
spindle to contour with bottom of new
spindle adapter so that the bottom of
the new spindle seat surface is in con-
tour with OEM spindle top surface.
Clean out hole on top of steering
knuckle (spindle).
ILLUSTRATION 7
FLAT
WASHER, 1/2”
HEX BOLT,
1/2” X 1
1/4” LG.
DRIVER SIDE
DIFFERENTIAL
DROP BRACKET
90-1283
NYLOC NUT, 1/2”
FLAT WASHER, 1/2”
EXISTING
PASSENGER SIDE SHOWN
F
R
O
N
T
O
F
V
E
H
I
C
L
E
EXISTING
(USE
LOCTITE)
EXISTING
(USE LOCTITE)
ADAPTER
SPINDLE
90-4010
90-4009
LOCK
NUT, 5/8”
UPPER
BALL
JOINT
EXISTING
TAPERED
SPINDLE
SLEEVE
96-4026
HEX
BOLT, 5/8”
X 2-1/2”
ILLUSTRATION 8