Inspection Procedure 1: Noise During Wheel Rotation
INSPECTION PROCEDURE 1: Noise during Wheel RotationDIAGNOSIS
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 driveshaft and inner shaft for bending.
Q: Is the driveshaft and inner shaft bent?
YES: Go to step 3.
NO: Replace the part. Then go to Step 5.
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 driveshaft assembly for wear or damage.
Q: Is the driveshaft assembly worn or damaged?
YES: Replace the driveshaft 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.