STEERING ± On-vehicle Service
37A-7
ON-VEHICLE SERVICE
STEERING WHEEL FREE PLAY CHECK
1. With the engine running (hydraulic pressure operating),
put the front wheels in straight-ahead position.
2. Lightly turn the steering wheel left and right to measure
circumferential play on the steering wheel before the
wheels start to move.
Limit: 30 mm or less
3. When the play exceeds the limit, check steering shaft
connections and steering linkage for looseness. Repair
or replace if necessary.
4. If the play still exceeds the limit, put the steering wheel
in straight-ahead position with the engine stopped. Then,
load 5 N in the circumferential direction on the steering
wheel and measure circumferential play.
Standard value: 0 ± 10 mm
5. In case the play exceeds the standard value again, remove
the steering gear box and linkage. Then, check and adjust
total pinion torque. (Refer to P.37A-18.)
STEERING ANGLE CHECK
1. Put the front wheels on a turning radius gauge and measure
steering angle.
Standard value:
Inner wheels 34_40' ± 2_
Outer wheels <For reference> 32_10'
2. If the standard values are not met, toe-in is probably
incorrect. Adjust the toe-in, seeing GROUP 33A ±
On-vehicle Service, and recheck the steering angle.
TIE ROD END BALL JOINT STARTING TORQUE
CHECK
1. Use the special tool to disconnect the tie rod and knuckle.
Caution
(1) In order not to damage the ball joint thread, the
tie rod end mounting nut must be only loosened
but not removed from the ball joint. Also, be sure
to use the special tool.
(2) Tie the special tool with a cord so as not to fall
off.
Cord
Ball joint
Nut
MB990635,
MB991113 or
MB991406
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