Mitsubishi Montero (2004+). Manual — part 1155
POWER STEERING DIAGNOSIS
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POWER STEERING
37A-9
INSPECTION PROCEDURE 8: Squeaking Noise
.
DIAGNOSIS
STEP 1. Check for interference of the wheel and vehicle
body.
If interfering, adjust the steering angle.
(1) Place the front wheel on a turning radius gauge and
measure the steering angle.
Standard value:
(2) If the steering angle is not within the standard value, adjust
the toe-in.
Standard value: 2.5
± 2.5 mm(0.1± 0.1 inch)
(3) Adjust the toe-in by undoing the clip and turning the left and
right tie rod turnbuckles by the same amount (in opposite
directions.)
Q: Is the steering angle normal?
YES : Go to Step 3.
NO : Go to Step 2.
STEP 2. Check the steering gear box for damage.
Q: Is there damage?
YES : Repair or replace the part. Then go to Step 3.
NO : There is no action to be taken.
STEP 3. Retest the system.
Confirm that no noise is generated.
Q: Is there noise?
YES : Repeat from Step 1.
NO : The procedure is complete.
ITEM
SPECIFICATION
Inside wheel
36
°30' ± 1°30'
Outside wheel (reference) 31
°40'
AC000756
ACX00711AB
BELLOWS CLIP
POWER STEERING DIAGNOSIS
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POWER STEERING
37A-10
INSPECTION PROCEDURE 9: Vibration
NOTE: A slight vibration may be felt when the sta-
tionary steering effort is made due to the condition of
the road surface. To check whether the vibration
actually exists or not, test-drive the vehicle on a dry
concrete or asphalt surface. A very slight amount of
vibration is not a malfunction.
.
DIAGNOSIS
STEP 1. Check for entry of air.
Q: Is the power steering fluid foamy?
YES :
Bleed the air. Refer to
. Then go to
Step 3.
NO :
Go to Step 2.
STEP 2. Check the steering gear box for damage.
Q: Is there damage?
YES :
Repair or replace the part. Then go to Step
NO :
There is no action to be taken.
STEP 3. Retest the system.
Confirm that no vibration is generated.
Q: Is there vibration?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 10: Oil Leakage from Hose Connection
.
DIAGNOSIS
STEP 1. Check for loosening of the flare nut.
Q: Is the flare nut loose?
YES :
Tighten it to 15
± 3 N⋅m (11 ± 2 ft-lb). Then
go to Step 3.
NO :
Go to Step 2.
STEP 2. Check the hose connection and clamp
installation.
Q: Are they installed correctly?
YES :
There is no action to be taken.
NO :
Repair or replace the part. Then go to Step
3.
STEP 3. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 11: Oil Leakage from Hose Assembly
.
DIAGNOSIS
STEP 1. Check the hose for damage or clogging.
Q: Is the hose damaged or clogged?
YES :
Repair or replace it. Then go to Step 2.
NO :
There is no action to be taken.
STEP 2. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
POWER STEERING DIAGNOSIS
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POWER STEERING
37A-11
INSPECTION PROCEDURE 12: Oil Leakage from Oil Reservoir
.
DIAGNOSIS
STEP 1. Check the oil reservoir for damage.
Q: Is there damage?
YES :
Repair or replace it. Then go to Step 3.
NO :
Go to Step 2.
STEP 2. Check for overflowing.
Q: Is there oil overflowing from the reservoir?
YES :
Adjust fluid level. Then go to Step 3.
NO :
Check that no oil is leaking.
STEP 3. Retest the system.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 13: Oil Leakage from Oil Pump
.
DIAGNOSIS
STEP 1. Check the oil pump body for damage.
Q: Is there damage?
YES :
Replace the part. Then go to Step 3.
NO :
Go to Step 2.
STEP 2. Check the O-ring or oil seal for damage.
Q: Is there damage?
YES :
Replace the part. Then go to Step 3.
NO :
Check that no oil is leaking.
STEP 3. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat t from Step 1.
NO :
The procedure is complete.
INSPECTION PROCEDURE 14: Oil Leakage from Gear Box
.
DIAGNOSIS
STEP 1. Check the gear box housing for damage.
Q: Is there damage?
YES :
Replace the part. Then go to Step 3.
NO :
Go to Step 2.
STEP 2. Check the oil-ring or oil seal for damage.
Q: Is there damage?
YES :
Replace the part. Then go to Step 3.
NO :
Check that no oil is leaking.
STEP 3. Retest the system.
Check that no oil is leaking.
Q: Is there oil leakage?
YES :
Repeat from Step 1.
NO :
The procedure is complete.
SPECIAL TOOLS
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POWER STEERING
37A-12
SPECIAL TOOLS
M1372000600257
TOOL
TOOL NUMBER
AND NAME
SUPERSESSION APPLICATION
MB991897
Ball joint remover
MB991113-01,
MB990635-01 or
General service
tool
Tie rod end disconnection
NOTE: Steering linkage puller
(MB990635 or MB991113) is also
available to disconnect ball joint.
MB990326
Preload socket
General service
tool
Tie rod end ball joint breakaway
torque check
MB991548
Power steering oil
pressure gauge
adapter (Pump
side)
MB991548-01
Oil pump pressure test
MB991549
Power steering oil
pressure gauge
adapter (Hose
side)
MB991549-01
MB990662
Oil pressure gauge
assembly
MB990662-01
MB990784
Ornament remover
General service
tool
Removal of cover
MB991006
Preload socket
MB991006-01
Gear box total pinion torque check
AC106827
MB990326
MB991548
MB991549
MB990662
MB990784
MB991006
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