Mitsubishi Montero Sport (2004+). Manual - part 428
REAR AXLE DIAGNOSIS
TSB Revision
REAR AXLE
27-13
INSPECTION PROCEDURE 15: Breakdown <Limited-Slip Differential>
NOTE: In addition to disassembling and replacing the failed parts, be sure to check all components for irregu-
larities and repair or replace as necessary.
DIAGNOSIS
STEP 1. Check for looseness of the drive gear
tightening bolt.
Q: Are the drive gear tightening bolts loose?
YES :
Tighten to 137
− 167 N⋅m (101 − 123 ft-lb)
and apply 3M
AAD part NO.8730 or AAD
part NO.8731 or equivalent. Then go to Step
5.
NO :
Go to Step 2.
STEP 2. Check the drive gear backlash. Refer to
GROUP 26, Differential Carrier
− Inspection
Before Disassembly
.
Q: Is the drive gear backlash correct?
YES :
Go to Step 3.
NO :
Adjust the backlash. Then go to Step 5.
STEP 3. Check the drive pinion turning torque
(low). Refer to
.
Q: Is the drive pinion turning torque correct?
YES :
Go to Step 4.
NO :
Adjust it. Then go to Step 5.
STEP 4. Check the side bearing preload (low).
Q: Are the side bearing cap mounting bolts tightened
to 69
− 78 N⋅m (51 − 58 ft-lb)?
YES :
Go to Step 5.
NO :
Tighten them to 69
− 78 N⋅m (51 − 58 ft-lb).
Then go to Step 5.
STEP 5. Retest the system.
Q: Is there damage?
YES :
Start over at Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 16: Limited Slip Differential does not Function (On Snow, Mud, Ice, etc.)
<Limited-Slip Differential>
DIAGNOSIS
STEP 1. Check the limited slip device for
damage.
Q: Is the limited slip device damaged?
YES :
Replace the damaged part. Then go to Step
NO :
Go to Step 2.
STEP 2. Retest the system.
Q: Does the limited slip differential function?
YES :
The procedure is complete.
NO :
Start over at Step 1.