Mitsubishi Outlander XL. Manual - part 705

STEP 1. Check the power steering oil pump drive
belt tension.
Refer to GROUP 11A, Drive belt tension check and
adjustment P.11A-9.

Q:Is the drive belt tension incorrect?

YES:

 Adjust the belt tension. (Refer to GROUP

11A, Drive belt tension check and adjustment P.
11A-9.) Then go to Step 3.

NO:

 Go to Step 2.

STEP 2. Check for seizure in the oil pump.

Q:Is there seizure?

YES:

 Replace the part. Then go to Step 3.

NO:

 Go to Step 3.

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.

INSPECTION PROCEDURE 6: Hissing Noise

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DIAGNOSIS

STEP 1. Check for entry of air.

Q:Is the power steering fluid foamy?

YES:

 Bleed the air (Refer to P.37-18). Then

go to Step 4.

NO:

 Go to Step 2.

STEP 2. Check each hose for crushing or twisting.

Q:Is any hose crushed or twisted?

YES:

 Repair or replace the hose. Then go to

Step 4.

NO:

 Go to Step 3.

STEP 3. Check the steering gear for damage.

Q:Is there damage?

YES:

 Repair or replace the part. Then go to

Step 4.

NO:

 Go to Step 4.

STEP 4. Retest the system.
Confirm that no noise is generated.

Q:Is there noise?

YES:

 Repeat from Step 1.

NO:

 The procedure is complete.

INSPECTION PROCEDURE 7: Droning Noise

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DIAGNOSIS

STEP 1. Check the oil pump or oil pump bracket
installation.

Q:Is  the  oil  pump  or  the  oil  pump  bracket

installation correct?

YES:

 Go to Step 2.

NO:

 Repair it. Then go to Step 3.

STEP 2. Check the oil pump for damage.

NOTE: 

If a slight "beat noise" is produced by the

oil pump when the steering wheel is turned fully

and held in that position, this is not a
malfunction.

Q:Is there damage?

YES:

 Replace the oil pump. Then go to Step 3.

NO:

 Go to Step 3.

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.

POWER STEERING

37-9

POWER STEERING DIAGNOSIS

INSPECTION PROCEDURE 8: Squeaking Noise

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DIAGNOSIS
STEP 1. Check for interference of the wheel and the vehicle
body.
If interfering, adjust the steering angle.

ZC5017920000

(1)

Place the front wheel on a turning radius gauge and measure
the steering angle.

Standard value:

ITEM

SPECIFICATION

Inside wheel

39°

Outside wheel (reference)

32°

(2)

If the steering angle is not within the standard value, adjust
the toe-in.

Standard value: 1 ± 2 mm (0.04 ± 0.09 inch)

ZC5017930000

JAM NUT

CLIP

(3)

Adjust the toe-in by undoing the clip and jam nut, and turning
the left and right tie rod turnbuckles by the same amount (in
opposite directions).

NOTE: 

The toe will move out as the left turnbuckle is

turned toward the front of the vehicle and the right
turnbuckle is turned toward the rear of the vehicle.

Q:Is the steering angle normal?

YES:

 Go to Step 2.

NO:

 Adjust the steering angle. Then go to Step 3.

STEP 2. Check the steering gear for damage.

Q:Is there damage?

YES:

 Repair or replace the part. Then go to Step 3.

NO:

 Go to Step 3.

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.

INSPECTION PROCEDURE 9: Vibration

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NOTE: 

A slight vibration may be felt when the

stationary 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.37-18). Then

go to Step 3.

NO:

 Go to Step 2.

37-10

POWER STEERING

POWER STEERING DIAGNOSIS

STEP 2. Check the steering gear for damage.

Q:Is there damage?

YES:

 Repair or replace the part. Then go to

Step 3.

NO:

 Go to Step 3.

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

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DIAGNOSIS

STEP 1. Check for loosening of the return tube
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 the clamp
installation.

Q:Are they correct?

YES:

 Go to Step 3.

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

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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:

 Go to Step 2.

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.

INSPECTION PROCEDURE 12: Oil Leakage from Oil Reservoir

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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:

 Go to Step 3.

STEP 3. Retest the system.

Q:Is there oil leakage?

YES:

 Repeat from to Step 1.

NO:

 The procedure is complete.

POWER STEERING

37-11

POWER STEERING DIAGNOSIS

INSPECTION PROCEDURE 13: Oil Leakage from Oil Pump

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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:

 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 14: Oil Leakage from Steering Gear

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DIAGNOSIS

STEP 1. Check the steering gear 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:

 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.

SPECIAL TOOLS

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TOOL

TOOL NUMBER
AND NAME

SUPERSESSION APPLICATION

YB991897AA00

MB991897 or
MB992011
Ball joint remover

MB991113-01,
MB990635-01 or
General service
tool

Knuckle and tie rod end ball joint
disconnection

NOTE: 

Steering linkage puller

(MB990635 or MB991113) is also
available to disconnect knuckle and
tie rod end ball joint.

MB990326

MB990326
Preload socket

General service
tool

Tie rod end ball joint breakaway torque
check

37-12

POWER STEERING

POWER STEERING DIAGNOSIS