Inspection Procedure 2

INSPECTION PROCEDURE 2: Constant Noise [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 9.

NO Go to Step 2.

STEP 2. Check the tooth contact (engagement) of the drive gear and drive pinion (Refer to [Type A] [Type A], [Type B] [Type B]).

Q. Is the tooth contact (engagement) of the drive gear and drive pinion correct?

YES Go to Step 3.
NO Adjust or replace the part. Then go to Step 9.
STEP 3. Check the side bearing for looseness, wear or damage.

Q. Is the side bearing loose, worn or damaged?

YES Adjust or replace the part. Then go to Step 9.
NO Go to Step 4.
STEP 4. Check the drive pinion bearing for wear or damage.

Q. Is the drive pinion bearing worn or damaged?

YES Adjust or replace the part. Then go to Step 9.
NO Go to Step 5.
STEP 5. Check the drive gear and drive pinion for wear.

Q. Is the drive gear or drive pinion worn?

YES Replace the part. Then go to Step 9.
NO Go to Step 6.
STEP 6. Check the side gear spacer or pinion shaft for wear.

Q. Is the side gear spacer or pinion shaft worn?

YES Replace the part. Then go to Step 9.
NO Go to Step 7.
STEP 7. Check the drive gear and differential case for wear or damage.

Q. Is the drive gear or differential case strained or damaged?

YES Replace the part. Then go to Step 9.
NO Go to Step 8.
STEP 8. Check for foreign material.

Q. Is any foreign material found?

YES Remove the foreign material and then inspect for damage. If necessary, replace the part. Then go to Step 9.
NO Go to Step 9.
STEP 9. Retest the system.

Q. Is the abnormal noise eliminated?

YES The procedure is complete.
NO Start over at Step 1.