Ball Joint: Service and Repair
INSPECTION AND REPAIR
Make necessary parts replacement if wear,
damage, corrosion or any other abnormal conditions are found through inspection.
Check the following parts:
- Upper control arm
- Bushing
- Fulcrum pin
2. Inspect the lower end boot for damage or grease leak. Move the ball joint as shown in the figure to confirm its normal movement (Fig. 3C-24). Inspect screw/taper area of ball for flaws. If any defects are found during the inspections, replace the end assembly with new one.
3. After moving the ball joint 4 or 5 times, attach nuts, then measure the preload Fig. 3C-25).
PRELOAD TORQUE, INSPECTION AND REPAIR:
Upper Link End kg.m (lb.ft.) N.m 0.1 - 0.33 (0.7 - 2.4/0.9 - 3.2)
Lower Link End kg.m (lb.ft.) N.m 0.5 - .35 (0.35 - 2.50/0.5 - 3.4)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 24 (32.4)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque, Pick-up 4WD/Amigo N.m (lb.ft.) Upper 98 (73) Lower 94 (127.5)
Nut and Cotter Pin Torque, Pick-up 2WD N.m (lb.ft.) Upper 108 (80) Lower 147 (108.5)
1988-93 Pick-up/Amigo/Rodeo
PRELOAD TORQUE, INSPECTION AND REPAIR
Upper Link End kg.m (lb.ft.) N.m 0.1 - 0.33 (0.7 - 2.4/0.9 - 3.2)
Lower Link End kg.m (lb.ft.) N.m 0.07 - 0.65 (0.51 - 4.7/0.7 - 6.4)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 24 (32.4)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque, Pick-up 4WD/Amigo N.m (lb.ft.) Upper 98 (73) Lower 94 (127.5)
Nut and Cotter Pin Torque, Pick-up 2WD N.m (lb.ft.) Upper 108 (80) Lower 147 (108.5)
1992-94 Pick-up/Amigo 4WD
PRELOAD TORQUE, INSPECTION AND REPAIR:
Upper Link End kg.m (lb.ft.) N.m 0.1 - 0.33 (0.7 - 2.4/0.9 - 3.2)
Lower Link End kg.m (lb.ft.) N.m 0.05 - 035 (0.35 - 2.50/0.5 - 3.4)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 69 (51)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque, Pick-up 4WD/Amigo N.m (lb.ft.) Upper 98 (73) Lower 94 (127.5)
Nut and Cotter Pin Torque, Pick-up 2WD N.m (lb.ft.) Upper 108 (80) Lower 147 (108.5)
1992-94 Pick-up/Amigo 2WD
PRELOAD TORQUE INSPECTION AND REPAIR:
Upper Link End N.m (lb.ft.) 1.3 - 3.2 (0.94 - 2.38)
Lower Link End N.m (lb.ft.) 02.5 - 6.4 (1.8 - 4.7)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 69 (51)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque Upper N.m (lb.ft) 98 (73)
Nut and Cotter Pin Torque Lower N.m (lb.ft) 128 (94)
1994-95 Rodeo
PRELOAD TORQUE INSPECTION AND REPAIR:
Upper Link End N.m (lb.ft.) .5 - 3.2 (0.4 - 2.4)
Lower Link End N.m (lb.ft.) 0.5 - 6.4 (.4 - 4.7)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 57 (42)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque Upper N.m (lb.ft) 98 (73)
Nut and Cotter Pin Torque Lower N.m (lb.ft) 147 (108)
1996 Rodeo
PRELOAD TORQUE INSPECTION AND REPAIR:
Upper Link End N.m (lb.ft.) 0.5 - 3.2 (0.4 - 2.4)
Lower Link End N.m (lb.ft.) 0.5 - 6.4 (0.4 - 4.7)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 69 (51)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque Upper N.m (lb.ft) 98 (72)
Nut and Cotter Pin Torque Lower N.m (lb.ft) 127 (94)
1988-91 Trooper II
PRELOAD TORQUE INSPECTION AND REPAIR:
Upper Link End N.m (lb.ft.) 0.5 - 3.2 (0.4 - 2.4)
Lower Link End N.m (lb.ft.) 0.5 - 6.4 (0.4 - 4.7)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 69 (51)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque Upper N.m (lb.ft) 98 (72)
Nut and Cotter Pin Torque Lower N.m (lb.ft) 127 (94)
1992-93 Trooper
PRELOAD TORQUE INSPECTION AND REPAIR:
Upper Link End N.m (lb.ft.) 1.3 - 3.2 (0.4 - 2.4)
Lower Link End N.m (lb.ft.) 0.5 - 6.4 (.4 - 4.7)
INSTALLATION
Upper Nuts final Torque N.m (ft.lb) 57 (42)
Lower Nuts final Torque N.m (ft.lb) 103 (76)
Nut and Cotter Pin Torque Upper N.m (lb.ft) 98 (72)
Nut and Cotter Pin Torque Lower N.m (lb.ft) 148 (108)
1994-96 Trooper Preload torque N.m (lb.ft.) 0.5 - 3.2 (0.4 - 2.4)
If the above limits specified are exceeded, replace the end assembly.