Mitsubishi Outlander XL. Manual — part 707

ZC501797

70°

70°

0000

2.

At a vehicle speed of approximately 35 km/h (22 mph), turn
the steering wheel 90 degrees, hold a few seconds, then
release. If the steering wheel then returns 70 degrees or more,
the return can be judged satisfactory.

NOTE:

There will be a momentary feeling or "heaviness"

when the wheel is turned quickly, but this is not
abnormal. (Oil pump discharge amount is especially apt to
be insufficient during idling.)

DRIVE BELT TENSION CHECK

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Refer to GROUP 11A Drive belt tension check adjustment P.
11A-9.

FLUID LEVEL CHECK

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1.

Park the vehicle on a flat, level surface.

2.

Start the engine, and then turn the steering wheel several
times to raise the temperature of the fluid to approximately 50
- 60°C (122 - 140°F).

3.

With the engine running, turn the wheel all the way to the left
and right several times.

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With engine running

With engine stopped

Fluid level change: Within 5 mm (0.2 in)

4.

Check the fluid in the oil reservoir for foaming or milkiness.
Check the difference of the fluid level when the engine is
stopped, and while it is running. If the change of the fluid level
is 5 mm (0.2 inch) or more, air bleeding should be done.

FLUID REPLACEMENT

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1.

Raise and support the front wheels.

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RETURN HOSE

2.

Disconnect the return hose connection, and then connect a
vinyl hose to the return hose, and drain the fluid into a
container.

3.

Disconnect the ignition coil connectors. (Refer to GROUP 16c,
Ignition coil removal and installation P.16c-6).

4.

While operating the starter motor intermittently, turn the
steering wheel all the way to the left and right several times to
drain all of the fluid.

5.

Connect the return hose securely, and then secure with the
clip.

POWER STEERING

37-17

ON-VEHICLE SERVICE

6.

Fill the oil reservoir with GENUINE MITSUBISHI POWER
STEERING FLUID up to the lower position of the filler, and
then bleed the air.

POWER STEERING SYSTEM AIR BLEEDING

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Perform air bleeding procedure as necessary after replacing the
steering gear or the steering fluid lines.

1.

Raise and support the front wheels.

2.

Disconnect the ignition coil connectors. (Refer to GROUP 16c,
Ignition coil removal and installation P.16c-6.)

Perform air bleeding only while cranking the engine. If air
bleeding is performed while the engine is running, air could
enter the fluid. During air bleeding, refill the steering fluid
supply so that the level never falls below the lower mark on
the dipstick.

3.

Turn the steering wheel all the way to the left and right five or
six times while using the starter motor to crank the engine
intermittently several times (for 15 to 20 seconds).

4.

Connect the ignition coil connectors. (Refer to GROUP 16c,
Ignition coil removal and installation P.16c-6.)

5.

Start the engine (idling).

6.

Turn the steering wheel to the left and right until there are no
air bubbles in the oil reservoir.

7.

Confirm that the fluid is not milky, and that the level is between
the high and low dipstick marks.

8.

Confirm that there is very little change in the fluid level when
the steering wheel is turned left and right.

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With engine running

With engine stopped

Fluid level change: Within 5 mm (0.2 in)

If the fluid level rises suddenly after the engine is stopped,
the air has not been completely bled. If air bleeding is not
complete, there will be abnormal noises from the pump and
the flow-control valve, and this condition could cause
reduce the life of the power steering components.

9.

Confirm that the change in the fluid level is no more than 5 mm
(0.2 inch) when the engine is stopped and when it is running.

10.

If the change of the fluid level is 5 mm (0.2 inch) or more, the
air has not been completely bled from the system. The air
bleeding procedure must be repeated.

OIL PUMP PRESSURE TEST

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Required Special Tools:

｠

MB990662: Power Steering Oil Pressure Gauge

｠

MB991548: Power Steering Oil Pressure Gauge Adapter
(Pump Side)

｠

MB991549: Power Steering Oil Pressure Gauge Adapter
(Hose Side)

37-18

POWER STEERING

ON-VEHICLE SERVICE

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Thermomete r

Reservoir

Adapter
(MB991548)

Oil
pump

Adapter
(MB991549)

Shut-off valve

Pressure
gauge
(MB990662)

1.

Disconnect the pressure hose from the oil pump, and then
connect the special tools MB991548, MB990662 and
MB991549.

2.

Bleed air, then turn the steering wheel several times while the
vehicle is not moving so that the temperature of the fluid rises
to approximately 50 - 60°C (122 - 140°F).

3.

Start the engine and idle it at 650 ± 100 r/min.

The pressure gauge shut-off valve must not remain closed
for more than 10 seconds.

4.

Fully close the shut-off valve of the pressure gauge and
measure the oil pump relief pressure to confirm that it is within
the standard value range. Open it again immediately after
checking the pressure.

Standard value: 8.8 - 9.5 MPa (1,276 - 1,378 psi)

5.

If it is not within the standard value, replace the oil pump.

6.

Check whether or not the hydraulic pressure is the standard
value when no-load conditions are created by fully opening the
shut-off valve of the pressure gauge.

Standard value: 0.2 - 0.7 MPa (29 - 101 psi)

7.

If it is not within the standard value, the probable cause is a
malfunction of the oil line or steering gear, so check these
parts and repair as necessary.

8.

Turn the steering wheel all the way to the left or right; then
check whether or not the retention hydraulic pressure is the
standard value.

Standard value: 8.8 - 9.5 MPa (1,276 - 1,378 psi)

9.

If not the standard value, overhaul the steering gear.
Remeasure fluid pressure.

10.

Remove the special tools MB991548, MB990662 and
MB991549, and then tighten the pressure hose to the
specified torque.

Tightening torque: 57 ± 7 N·m (42 ± 5 ft-lb)

11.

Bleed the system. (Refer to P.37-18.)

INSPECTION OF STEERING COLUMN SHAFT

ASSEMBLY IMPACT ABSORBING MECHANISM

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If a collision accident occurs or severe impact is applied on the
steering wheel, the collision energy absorbing mechanism may
have operated. Once the mechanism has operated, it will be
inoperative even it has suffered no apparent damage. Determine
if the steering column shaft can be reused by the following
procedure. If the collision energy absorbing mechanism has
already operated, replace the steering column shaft assembly.
If any excessive radial free play on the steering wheel is found
with the tilt lever in the lock position, always replace the steering
shaft assembly.

POWER STEERING

37-19

ON-VEHICLE SERVICE

｠

If the vehicle continues to be driven after the collision
absorbing mechanism has operated, the steering column
shaft may be damaged while it is in use.

｠

If there is a slack in the one-way capsule, do not attempt
to repair it but replace the steering column shaft
assembly.

INSPECTION PROCEDURE

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Steering
column
assembly

One way capsule

Steering column
mounting bolt

Tilt lever

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One-way capsule

1.

Remove the ignition key cover, steering column lower cover,
steering column upper cover,WCM,bottom cover assembly
(driver`s seat), side air outlet (L) and side lower panel
assembly.

After inspection, do not release the tilt lever until the
steering shaft assembly has been installed.

2.

Ensure that the tilt lever is in the lock position.

3.

Loosen the two upper steering column mounting bolts by two
turns.

4.

Hold the one-way capsules as shown in the figure, and then
try to rock them. If there is a slack in either of the capsules,
replace the steering column shaft assembly.

｠

Be careful that nothing is pinched between the one-way
capsules and the body.

｠

When the replacement, removal, or installation of the
steering column shaft assembly is performed, tighten
the mounting bolt of the one-way capsule side to the
specified torque first.

5.

If no malfunction has been found after the inspection, hand-
tighten the steering column mounting bolts, and then tighten
them to the specified torque.

Tightening torque: 12 ± 3 N·m (102 ± 26 in-lb)

STEERING WHEEL

REMOVAL AND INSTALLATION

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｠

Before removing the steering wheel and air bag
module assembly, refer to GROUP 52B, Service
Precautions P.52B-28and Air Bag Module and
Clock Spring P.52B-329.

｠

When removing and installing the steering
wheel, do not let it bump against the air bag
module.

Post-installation Operation

｠

Checking Steering Wheel Position with Wheels Straight Ahead

37-20

POWER STEERING

STEERING WHEEL