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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Rear Axle - Lancer RALLIART, Se) >> Rear Axle Diagnosis >> Symptom Procedures >> INSPECTION PROCEDURE 2: Constant Noise < DIFFERENTIAL > >> Diagnosis

INSPECTION PROCEDURE 2: Constant Noise < DIFFERENTIAL >: Diagnosis

WARNING: This page is about a different variant/trim than selected.
  1. 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 Motors Genuine LSD gear oil < Type A > or Mitsubishi Motors Genuine hypoid gear oil API classification GL-5 or higher, SAE80 < Type B >. Then go to  Step 9.
    • NO:  Go to Step 2.
      Fig 1: Checking Gear Oil Level
      G09626598Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. STEP 2. Check the tooth contact (engagement) of the drive gear and drive pinion (Refer to  DISASSEMBLY < Type A >   , or  DISASSEMBLY < 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.
  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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