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INSPECTION PROCEDURE 2: Constant Noise < DIFFERENTIAL >: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Check the differential gear oil level. 

    Remove the filler plug and check the differential gear oil level (Refer to GEAR OIL LEVEL CHECK  ).

    Q: Is the differential gear oil level normal? 

    • YES:  Go to Step 2.
    • NO:  Check the differential gear oil leakage from differential carrier, and repair if necessary. Then, refill MITSUBISHI MOTORS GENUINE super hypoid gear oil API classification GL-5, SAE 80. Then go to  Step 9.
  2. STEP 2. Check the tooth contact (engagement) of the drive gear and drive pinion (Refer to  DISASSEMBLY   ). 

    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.
  3. 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.
  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.
  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.
  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.
  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.
  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.
  9. STEP 9. Retest the system. 

    Q: Is the abnormal noise eliminated? 

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