Mitsubishi Montero Sport (2004+). Manual - part 407
FRONT AXLE DIAGNOSIS
TSB Revision
FRONT AXLE
26-9
INSPECTION PROCEDURE 9: Oil leakage
DIAGNOSIS
STEP 1. Check the vent plug for clogging.
Q: Is the vent plug clogged?
YES : Clean or replace the part. Then go to Step 5.
NO : Go to step 2.
STEP 2. Check the cover installation.
Q: Is the cover installed properly?
YES : Go to Step 3.
NO : Repair. Then go to Step 5.
STEP 3. Check the oil seal for wear or damaged.
Q: Is the oil seal worn or damaged?
YES : Replace the seal. Then go to Step 5.
NO : Go to Step 4.
STEP 4. 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 : Refill Hypoid gear oil API classification GL-5 or
higher; Above
−23°C(−10°F): SAE 90, 85W-90,
80W-90, From
−34 to −23°C(−30 to −10°F): SAE
80W, 80W-90, Below
−34°C(−30°F): SAE 75W. Then
go to Step 5.
NO : There is no action to be taken.
STEP 5. Retest the system.
Q: Is there oil leakage?
YES : The procedure is complete.
NO : Repeat to Step 1.
AC000439
UPPER LIMIT
LOWER LIMIT
AB
8 mm (0.3 in)