INSPECTION PROCEDURE 8: Oil Leakage - DIFFERENTIAL: Diagnosis

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

STEP 1. Check the cover installation.
Q: Is the cover installed correctly?
- YES: Go to Step 2.
- NO: Repair. Then go to Step 4.
STEP 2. Check the oil seal for wear or damage.
Q: Is the oil seal worn or damaged?
- YES: Replace the seal. Then go to Step 4.
- NO: Go to Step 3.
STEP 3. Check the oil level.
Remove the filler plug and check the gear oil level.

Q: Is the gear oil level more than 6 mm (0.2 inch) below the bottom of the filler plug hole?
- YES: Refill the specified lubricant.
  Differential mechanism part: MITSUBISHI Genuine DIA QUEEN LSD gear oil
  
  Torque transfer mechanism part: DIAMOND ATF SP III
  
  Then go to Step 4.
- NO: Go to Step 4.
  
  Fig 1: Checking Oil Level
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 4. Retest the system.
Q: Is there oil leakage?
- YES: Start over at Step 1.
- NO: The procedure is complete.