LS 400 V8-4.0L (1UZ-FE) (1990)
B.
Move the lower arm by hand (All models with strut type suspension and some models with wish-bone type suspension):
a. Lift up the vehicle.
b. Inspect the free play while moving the lower arm up and down at a force of 67 lbf (294 N, 30 kgf).
2.
Inspect Upper Ball Joint Play
Move the upper arm by hand (Models where the LOWER control arm are linked by a torsion bar, and all models using a coil spring.
A.
Remove the front tire.
B.
Inspect the free play while moving the upper arm up and down at a force of 67 lbf (294 N, 30 kgf).
3.
Inspect the Suspension Arm Ball Joint Free Play
A.
Lift up the vehicle.
B.
Inspect the free play while moving the control arm by hand.
(Reference)
Free Play Inspection Method (Gauge Installation)
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Position the dial gauge between the arm (upper or lower) and the knuckle, and measure free play.