Inspection Procedure 3
INSPECTION PROCEDURE 3: Gear Noise while DrivingDIAGNOSIS
STEP 1. Check the oil level.
Remove the filler plug and check the gear oil level
Q: Is the gear oil level more than 8 mm (0.3 inch) below the bottom of the filler plug hole?
YES: Check the oil leakage from differential carrier, and repair if necessary Then, refill Hypoid gear oil MITSUBISHI Genuine Gear Oil Part No 8149630. Then go to Step 6.
NO: Go to Step 2
STEP 2. Check the gear engagement.
Q: Is the gear engagement in good condition?
YES: Go to Step 3
NO: Adjust or replace the part. Then go to Step 6.
STEP 3. Check the drive pinion turning torque.
Q: Is the drive pinion turning torque correct?
YES: Go to Step 4.
NO: Adjust the turning torque. Then go to Step 6.
STEP 4. Check the gear for damage.
Q: Is the gear damaged?
YES: Replace the gear. Then go to Step 6.
NO: Go to Step 5.
STEP 5. Check for foreign material.
Q: Is foreign material found?
YES: Remove the foreign material and then inspect for damage. If necessary, replace the part. Then go to Step 6.
NO: Go to Step 6.
STEP 6. Retest the system.
Q: Is the abnormal noise eliminated?
YES: The procedure is complete.
NO: Start over at Step 1.