Mitsubishi Montero Sport (2004+). Manual — part 822

POWER STEERING DIAGNOSIS

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STEERING

37A-11

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

P.37A-20

. 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

3.

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 N

⋅m (11 ft-lb). Then go to

Step 3.

NO :

Go to Step 2.

STEP 2. Check the hose connection and the
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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STEERING

37A-12

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 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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STEERING

37A-13

SPECIAL TOOLS

M1372000600428

TOOL

TOOL NUMBER
AND NAME

SUPERSESSION APPLICATION

MB990948
Linkage joint
gauge

General service
tool

Ball joint variation check for shaft
direction

MB991897
Ball joint remover

MB991113-01,
MB990635-01 or
General service
tool

Ball joint removal
NOTE: Steering linkage puller
(MB990635 or MB991113) is also
used to disconnect knuckle and tie rod
end ball joint.

MB990326
Preload socket

General service
tool

Tie rod end ball joint breakaway
torque check

MB990993 or
MB991217
Power steering oil
pressure gauge
adapter (Pump
side)

MB990993-01

Oil pump pressure test

MB990994
Power steering oil
pressure gauge
adapter
(Hose side)

MB990994-01

MB990662
Oil pressure gauge
assembly

MB990662-01

MB9900803
Steering wheel
puller

General service
tool

Steering wheel removal

B990948

AC106827

MB990326

MB991548

MB991549

MB990662

MB990803

SPECIAL TOOLS

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STEERING

37A-14

MB990228 or
MB991006
Preload socket

MB990228-01

Gear box total pinion torque check

MB990776
Front axle base

MB990776-01

Dust cover installation

MB990925
Bearing and oil
seal installer set

MB990925-01 or
general service
tool

Oil seal and bearing installation
MB990926, MB990938

MB990915
Pitman arm puller

MB990809-01

Pitman arm removal

TOOL

TOOL NUMBER
AND NAME

SUPERSESSION APPLICATION

MB991006

MB990776

MB990925

B990915