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 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.
STEP4. 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.