Mitsubishi Outlander GS45X. Manual — part 1515
REAR AXLE DIAGNOSIS
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REAR AXLE <AWD>
27B-9
INSPECTION PROCEDURE 3: Gear Noise while Driving <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 Hypoid gear oil API
classification GL-5 or higher, SAE80. Then go to Step
6.
NO : Go to Step 2.
STEP 2. Check the gear engagement.
Q: Is the gear engagement in good condition?
YES : Go to Step 3.
NO : Adjust or replace the part. Then go to Step 6.
STEP 3. Check the drive pinion turning torque.
Q: Is the drive pinion turning torque correct?
YES : Go to Step 4.
NO : Adjust the turning torque. Then go to Step 6.
STEP 4. Check the gear for damage.
Q: Is the gear damaged?
YES : Replace the gear. Then go to Step 6.
NO : Go to Step 5.
STEP 5. Check for foreign material.
Q: Is foreign material found?
YES : Remove the foreign material and then inspect for
damage. If necessary, replace the part. Then go to
Step 6.
NO : Go to Step 6.
STEP 6. Retest the system.
Q: Is the abnormal noise eliminated?
YES : The procedure is complete.
NO : Start over at Step 1.
AC703480 AB
8 mm
(0.3 in)
Upper
limit
Lower
limit
Gear oil
REAR AXLE DIAGNOSIS
TSB Revision
REAR AXLE <AWD>
27B-10
INSPECTION PROCEDURE 4: Gear Noise while Coasting <DIFFERENTIAL>
DIAGNOSIS
STEP 1. Check the drive pinion turning torque.
Q: Is the drive pinion turning torque correct?
YES :
Go to Step 2.
NO :
Adjust the turning torque. Then go to Step 3.
STEP 2. Check the gear for damage.
Q: Is the gear damaged?
YES :
Replace the gear. Then go to Step 3.
NO :
Go to Step 3.
STEP 3. Retest the system.
Q: Is the abnormal noise eliminated?
YES :
The procedure is complete.
NO :
Start over at Step 1.
INSPECTION PROCEDURE 5: Bearing Noise while Driving or Coasting <DIFFERENTIAL>
DIAGNOSIS
STEP 1. Check the drive pinion rear bearing for
cracks or damage.
Q: Is the drive pinion rear bearing cracked or
damaged?
YES :
Replace the part. Then go to Step 2.
NO :
Go to Step 2.
STEP 2. Retest the system.
Q: Is the abnormal noise eliminated?
YES :
The procedure is complete.
NO :
Start over at Step 1.
INSPECTION PROCEDURE 6: Noise while Turning <DIFFERENTIAL>
DIAGNOSIS
STEP 1. Check the side bearing for wear or
damage.
Q: Is the side bearing worn or damaged?
YES :
Replace the part. Then go to Step 3.
NO :
Go to step 2.
STEP 2. Check the side gear, pinion gear or
pinion shaft for damage.
Q: Is the side gear, pinion gear or pinion shaft
damaged?
YES :
Replace the part. Then go to Step 3.
NO :
Go to Step 3.
STEP 3. Retest the system.
Q: Is the abnormal noise eliminated?
YES :
The procedure is complete.
NO :
Start over at Step 1.
REAR AXLE DIAGNOSIS
TSB Revision
REAR AXLE <AWD>
27B-11
INSPECTION PROCEDURE 7: Heat <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 Hypoid gear oil API
classification GL-5 or higher, SAE80. Then go to Step
3.
NO : Go to Step 2.
STEP 2. Check for excessive gear backlash (Refer to
).
Q: Is the gear backlash correct?
YES : Go to Step 3.
NO : Adjust the backlash. Then go to step 3.
STEP 3. Retest the system.
Q: Is the heat eliminated?
YES : The procedure is complete.
NO : Start over at Step 1.
INSPECTION PROCEDURE 8: Oil Leakage <DIFFERENTIAL>
DIAGNOSIS
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.
AC703480 AB
8 mm
(0.3 in)
Upper
limit
Lower
limit
Gear oil
SPECIAL TOOLS
TSB Revision
REAR AXLE <AWD>
27B-12
STEP 3. 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, SAE80. Then go to Step 4 .
NO : Go to Step 4.
STEP 4. Retest the system.
Q: Is there oil leakage?
YES : Start over at Step 1.
NO : The procedure is complete.
SPECIAL TOOLS
M1271000600978
AC703480 AB
8 mm
(0.3 in)
Upper
limit
Lower
limit
Gear oil
Tool
Tool number and
name
Supersession
Application
MB991115
Oil seal installer
MB991115-01
Oil seal press-fitting (used in
combination with MB990938)
MB990767
Front hub and flange
yoke holder
MB990767-01
Hub fixing
MB991618
Hub bolt remover
General service tool
Hub bolt removal
MB990241
Axle shaft puller
A: MB990242
Puller shaft
B: MB990244
Puller bar
MB990241-01 or
General service tool
• Driveshaft removal
• Rear hub assembly removal
MB991354
Puller body
General service tool
B990767
MB991618
MB990241AD
B
A
MB991354
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