Inspection Procedure 1: Excessive Play of Steering Wheel
INSPECTION PROCEDURE 1: Excessive Play of Steering WheelDIAGNOSIS
STEP 1. Check for looseness at the steering shaft coupling section and at the steering wheel linkage.
Q: Is there any looseness?
YES: Repair or replace the part. Then go to Step 3.
NO: Go to Step 2.
STEP 2. Check the steering wheel play.
1. With engine running (hydraulic operation), set front wheels straight ahead.
2. Measure the play on steering wheel circumference before wheels start to move when slightly moving the steering wheel in both directions.
Limit: 30 mm (1.2 inch)
3. If the free play exceeds the limit value, set steering wheel straight ahead with engine stopped. Load approximately 5 N (1.1 pound) toward steering circumference and check play.
Standard value (steering wheel play with engine stopped): 10 mm (0.4 inch) or less
Q: Does the play exceed the standard value?
YES: Remove steering gear box and check total pinion torque. Then go to Step 3.
NO: Go to Step 3.
STEP 3. Check steering wheel play.
Verify that the steering wheel play is not excessive.
Q: Is the steering wheel play excessive?
YES: Repeat to Step 1.
NO: Diagnosis is complete.