Mitsubishi Montero (2004+). Manual — part 468
REAR AXLE DIAGNOSIS
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REAR AXLE
27-11
STEP 2. Check for excessive gear backlash. Refer to
GROUP 26, Differential Carrier
− Inspection before
Disassembly
.
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 9: Oil Leakage <DIFFERENTIAL>
DIAGNOSIS
STEP 1. Check the breather hose for clogging.
Q: Is the breather hose 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 correctly?
YES : Go to Step 3.
NO : Repair. Then go to Step 5.
STEP 3. Check the oil seal for wear or damage.
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 5 mm (0.2 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 : Go to Step 5.
STEP 5. Retest the system.
Q: Is there oil leakage?
YES : Start over at Step 1.
NO : The procedure is complete.
ACX01083AB
GEAR OIL
UPPER
LIMIT
LOWER
LIMIT
5 mm
(0.2 in)
ON-VEHICLE SERVICE
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REAR AXLE
27-12
ON-VEHICLE SERVICE
REAR AXLE TOTAL BACKLASH CHECK
M1271001200069
1. Park the vehicle on a flat, level surface.
2. Move the transmission control lever to the neutral position.
Move the transfer control lever to the neutral position. Apply
the parking brake. Raise the vehicle on a jack.
3. Turn the companion flange clockwise as far as it will go.
Make the mating mark on the dust cover of the companion
flange and on the differential carrier.
4. Turn the companion flange counterclockwise as far as it will
go, and measure the amount of distance the mating marks
moved.
Limit: 5 mm (0.2 inch)
5. If the backlash exceeds the limit value, remove the
differential carrier assembly and check the following.
• Final drive gear backlash
• Differential gear backlash
GEAR OIL LEVEL CHECK
M1272001200200
Check that gear oil level is not 5 mm (0.2 inch) below the bot-
tom of filler plug hole.
Specified gear oil: 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
WHEEL BEARING END PLAY CHECK
M1271000900258
1. Remove the rear brake assembly and remove the brake disc
while holding it with wires to prevent it from falling.
ACX00962 AB
MATING MARKS
ACX00964
ACX01083AB
GEAR OIL
UPPER
LIMIT
LOWER
LIMIT
5 mm
(0.2 in)
REAR AXLE HUB ASSEMBLY
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REAR AXLE
27-13
2. Fit the dial gauge as shown in the diagram and move the
hub in the axial direction to measure the play.
Limit: 0 mm (0 inch)
3. If the play exceeds the limit, replace the rear hub assembly.
REAR AXLE HUB ASSEMBLY
REMOVAL AND INSTALLATION
M1271002000217
ACX01084
Post-installation Operation
Parking Brake Lever Stroke Adjustment (Refer to GROUP
36, On-vehicle Service
ACX01085 AC
152
± 25 N·m
113
± 18 ft-lb
255
± 29 N·m
188
± 21 ft-lb
100
± 10 N·m
74
± 7 ft-lb
113
± 14 N·m
84
± 10 ft-lb
8
133
± 14 N·m
98
± 10 ft-lb
7
11
5
2
1
3
10
4
6
9
N
REMOVAL STEPS
1. HUB CAP
<<A>> >>B<<
2. DRIVE SHAFT NUT
<<B>>
3. DISC BRAKE ASSEMBLY
4. BRAKE DISC
5. SHOE AND LINING ASSEMBLY
(REFER TO GROUP 36, PARKING
BRAKE DRUM
).
6. COMPANION SHAFT AND DRIVE
SHAFT CONNECTION
<<C>> >>A<<
7. LOWER ARM AND KNUCKLE
CONNECTION
8. REAR DRIVE SHAFT ASSEMBLY
9. ABS ROTOR PROTECTOR
10. REAR HUB ASSEMBLY
11. BACKING PLATE
REMOVAL STEPS (Continued)
REAR AXLE HUB ASSEMBLY
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REAR AXLE
27-14
Required Special Tools:
• MB990767: End Yoke Holder
• MB990998: Front Hub Remover and Installer
• MB990326: Preload Socket
REMOVAL SERVICE POINTS
.
<<A>> DRIVE SHAFT NUT REMOVAL
CAUTION
Do not apply pressure to wheel bearing by the vehicle
weight to avoid possible damage to wheel bearing before
tightening drive shaft nut fully.
Use special tool MB990767 to fix the hub and remove the drive
shaft nut.
.
<<B>> DISC BRAKE ASSEMBLY REMOVAL
Suspend the disc brake assembly from the body with wire, etc.
to prevent it from falling.
.
<<C>> LOWER ARM AND KNUCKLE DISCONNECTION
Position a wooden block to the lower arm as shown in the illus-
tration and use the floor jack to remove the lower arm mounting
bolt by compressing the coil spring.
INSTALLATION SERVICE POINTS
.
>>A<< LOWER ARM AND KNUCKLE CONNECTION
Position a wooden block to the lower arm as shown in the illus-
tration and use the floor jack to install the lower arm mounting
bolt by compressing the coil spring.
.
ACX00972
MB990767
AC
ACX01086 AB
WOODEN
BLOCK
ACX01086 AB
WOODEN
BLOCK
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