LS 460 AWD V8-4.6L (1UR-FSE) (2009)
Control Arm: Testing and Inspection
Rear Upper Arm
Inspection
SUSPENSION: REAR UPPER ARM: INSPECTION
INSPECTION
1. INSPECT REAR UPPER NO. 1 CONTROL ARM ASSEMBLY LH
(a) Temporarily install the nut, and flip the ball joint stud back and forth 5 times as shown in the illustration.
(b) Use a torque wrench to turn the nut continuously at a rate of 3 to 5 seconds per turn. Take the torque reading on the fifth turn.
Standard turning torque:
3.5 N*m (36 kgf*cm, 31 in.*lbf) or less
2. INSPECT REAR UPPER NO. 2 CONTROL ARM ASSEMBLY LH
(a) Temporarily install the nut, and flip the ball joint stud back and forth 5 times as shown in the illustration.
(b) Use a torque wrench to turn the nut continuously at a rate of 3 to 5 seconds per turn. Take the torque reading on the fifth turn.
Standard turning torque:
9.0 N*m (92 kgf*cm, 80 in.*lbf) or less
On-Vehicle Inspection
SUSPENSION: REAR UPPER ARM: ON-VEHICLE INSPECTION
ON-VEHICLE INSPECTION
1. INSPECT REAR UPPER NO. 1 CONTROL ARM BALL JOINT RATTLE
(a) Jack up the vehicle.
(b) Shake the suspension arm by hand and check for rattle.
Standard rattle:
No rattle is felt