S10/T10 P/U,Blazer L4-119 1.9L (1982)
Ball Joint: Testing and Inspection
Upper
Fig. 23 Checking upper ball joint. 4 x 2 models
4 X 2 MODELS
Upper Ball Joint
Before checking ball joints, wheel bearings must be properly adjusted.
1.
Raise vehicle and position floor stands under right and left lower control arms near each lower ball joint.
2.
Position dial indicator against wheel rim, Fig. 23.
3.
Shake wheel, Fig. 23, and read gauge. Horizontal deflection should not exceed .125 in.
4.
If reading exceeds .125 in., or if ball stud has been disconnected from knuckle assembly and any looseness is detected or stud is loose, replace ball
joint.
Fig. 24 Lower ball joint wear indicator. 4 x 2 models
Lower Ball Joint
The lower ball joint has a visual wear indicator, Fig. 24. To check, vehicle weight must rest on wheels to properly load ball joints.
