Inspection Procedure 1

INSPECTION PROCEDURE 1: Noise during Wheel Rotation

DIAGNOSIS
STEP 1. Check the wheel bearing end play.
1. Remove the caliper assembly and suspend it with a wire.
2. Remove the brake disc from the front hub.





3. Attach a dial gauge as shown in the illustration, and then measure the end play while moving the hub in the axial direction.
Limit: 0.05 mm (0.002 inch)
Q: Is the wheel bearing end play within the limit?
YES: Go to step 2.
NO: Replace the part, then go to Step 5.

STEP 2. Check the drive shaft and inner shaft for bending.
Q: Is the drive shaft and inner shaft bent?
YES: Replace the part. Then go to Step 5.
NO: Go to step 3.

STEP 3. Check the center bearing for wear.
Q: Is the center bearing worn?
YES: Replace the bearing. Then go to Step 5.
NO: Go to step 4.

STEP 4. Check the drive shaft assembly for wear or damage.
Q: Is the drive shaft assembly worn or damaged?
YES: Replace the drive shaft assembly. Then go to Step 5.
NO: There is no action to be taken.

STEP 5. Retest the system.
Q: Is the abnormal noise eliminated?
YES: The procedure is complete.
NO: Repeat from Step 1.