Inspection Procedure 3
INSPECTION PROCEDURE 3: Gear Noise while Driving [DIFFERENTIAL]
DIAGNOSIS
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 MITSUBISHI Genuine DIA QUEEN LSD gear oil [Type A] or Hypoid gear oil API classification GL-5 or higher, SAE80 [Type B]. 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.