I changed mine about 2 months ago. I took off the LCA and basically pounded out the old joint (it was in pretty good!) and tapped in the new one and put it all back together again. It took about an hour or two! I thought it was quite an easy DIY job
Ian
Extracted from the KJ 02 workshop manual:
KNUCKLE
REMOVAL
(1) Raise and support the vehicle.
(2) Remove the tire and wheel assembly.
(3) Remove the caliper adapter. (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/DISC
BRAKE CALIPER ADAPTER - REMOVAL).
CAUTION: Never allow the disc brake caliper to
hang from the brake hose. Damage to the brake
hose will result. Provide a suitable support to hang
the caliper securely.
(4) Remove the disc brake rotor. (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/ROTORS -
REMOVAL).
(5) Remove the wheel speed sensor. (Refer to 5 -
BRAKES/ELECTRICAL/FRONT WHEEL SPEED
SENSOR - REMOVAL).
(6) Remove the axle shaft nut. (if equipped with
four wheel drive)
(7) Remove the hub/bearing. (Refer to 2 - SUSPENSION/
FRONT/HUB / BEARING - REMOVAL).
(8 ) Remove the outer tie rod end. (Refer to 19 -
STEERING/LINKAGE/TIE ROD END - REMOVAL).
(9) Remove the lower ball joint nut.
(10) Seperate the lower ball joint from the suspension
arm using tool C–4150A.
(11) Remove the upper ball joint nut.
(12) Seperate the upper ball joint from the knuckle
using tool C–4150A.
(13) Remove the knuckle from the vehicle.
INSTALLATION
(1) Install the knuckle to the vehicle.
(2) Install the upper ball joint nut. Tighten the nut
to 81 N•m (60 ft.lbs.).
(3) Install the lower ball joint nut. Tighten the nut
to 81 N•m (60 ft.lbs.).
(4) Install the outer tie rod end. (Refer to 19 -
STEERING/LINKAGE/TIE ROD END - INSTALLATION).
(5) Install the hub/bearing. (Refer to 2 - SUSPENSION/
FRONT/HUB / BEARING - INSTALLATION).
(6) Install the axle shaft nut. Tighten the nut to
135 N•m (96 ft.lbs.).(if equipped with four wheel
drive).
(7) Install the wheel speed sensor. (Refer to 5 -
BRAKES/ELECTRICAL/FRONT WHEEL SPEED
SENSOR - INSTALLATION).
(8 ) Install the disc brake rotor. (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/ROTORS -
INSTALLATION).
(9) Install the caliper adapter. (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/DISC
BRAKE CALIPER ADAPTER - INSTALLATION).
(10) Install the tire and wheel assembly. (Refer to
22 - TIRES/WHEELS/WHEELS - STANDARD PROCEDURE).
(11) Perform the set toe procedure (Refer to 2 -
SUSPENSION/WHEEL ALIGNMENT - STANDARD
PROCEDURE).