Mitsubishi Montero (2002-2004). Manual — part 437

POWER STEERING GEAR BOX ASSEMBLY

TSB Revision

POWER STEERING

37A-35

<<D>> UPPER BEARING/UPPER OIL SEAL REMOVAL
Using a socket, remove the oil seal and the ball bearing from
the valve housing simultaneously.

.

<<E>> CIRCLIP REMOVAL

CAUTION

If the rack stopper is first turned counterclockwise, the
circlip will get caught in the slot in the housing and the
rack stopper will not turn.
1. Turn the rack stopper clockwise until the end of the circlip

comes out of the slot in the rack housing.

2. Turn the rack stopper counterclockwise to remove the

circlip.

.

<<F>> RACK STOPPER/RACK BUSHING/OIL SEAL/O-
RING/RACK ASSEMBLY REMOVAL

CAUTION

Do not damage the press-in portion of the oil seal on the
rack bush.
1. Pull out the rack assembly carefully and take out the rack

stopper, rack bush, oil seal and O-ring at the same time.

ACX01145 AB

SOCKET OR
SIMILAR TOOL

ACX01146 AB

CIRCLIP

RACK
STOPPER

ACX01147 AB

POWER STEERING GEAR BOX ASSEMBLY

TSB Revision

POWER STEERING

37A-36

2. Bend a portion of the oil seal to remove it from the rack

bushing.

.

<<G>> LOWER BEARING REMOVAL
Use a brass bar or special tool MB990939 to remove the ball
bearing from the gear housing.

.

<<H>> NEEDLE BEARING REMOVAL

CAUTION

Do not open special tool MB991120 excessively to prevent
damaging housing interior.
Use special tool MB991120 to remove the needle roller bearing
from the rack housing.

.

ACX01148 AB

RACK BUSHING

ACX01149

MB990925
(MB990939)

LOWER
BEARING

AB

VALVE
HOUSING

ACX01150 AB

VALVE
HOUSING

MB991120

NEEDLE
ROLLER
BEARING

POWER STEERING GEAR BOX ASSEMBLY

TSB Revision

POWER STEERING

37A-37

<<I>> OIL SEAL REMOVAL

CAUTION

Be careful not to damage the inner surface of the rack cyl-
inder of the gear housing.
Use a piece of pipe or similar tool to remove the oil seal from
the gear housing.

ASSEMBLY SERVICE POINTS

.

>>A<< OIL SEAL INSTALLATION
1. Apply a coating of GENUINE MITSUBISHI POWER

STEERING FLUID to the both sides of the oil seal.

2. Using special tools MB991199 and MB991197, press the oil

seal into the rack housing.

.

>>B<< NEEDLE BEARING/LOWER BEARING
INSTALLATION
1. Apply GENUINE MITSUBISHI POWER STEERING FLUID

to housing, bearing and oil seal press fitting surface.

CAUTION

Press-fit straight. The valve housing is aluminum, and may
become deformed if press-fit on an angle.
2. Press fit needle roller bearing with special tools MB990938

and MB991202.

.

ACX01151

OIL SEAL

AB

GEAR HOUSING

PIPE OR
SIMILAR

ACX01152AB

GEAR HOUSING

MB991199

OIL SEAL

MB991197

ACX01153

MB990925
(MB990938)

MB991202

LOWER
BEARING

MB990925
(MB990938)

AB

NEEDLE

ROLLER

BEARING

MB991202

POWER STEERING GEAR BOX ASSEMBLY

TSB Revision

POWER STEERING

37A-38

>>C<< RACK ASSEMBLY INSTALLATION

CAUTION

Do not plug the vent hole in the rack with grease.
1. Apply a coating of multipurpose grease to the rack assembly

teeth face.

2. Cover rack serrations with special tool MB991213.
3. Apply GENUINE MITSUBISHI POWER STEERING FLUID

to special tool MB991213.

CAUTION

When inserting the rack, carefully push in while aligning
the center of the oil seal and the tip of special tool
MB991213 so that the oil seal retainer spring does not fall
out.
4. Align the center of the oil seal with the rack to prevent the

retainer spring from slipping. Slowly insert the rack from
power cylinder side.

.

>>D<< OIL SEAL/RACK BUSHING INSTALLATION
1. Use special tool MB990927 to press fit oil seal until it

touches rack bush end.

2. Apply a coating of GENUINE MITSUBISHI POWER

STEERING FLUID to the outside of the oil seal and O-ring.

ACX01154 AB

SEAL RING, O-RING

VENT HOLE

ACX01155

MB991213

AB

OIL SEAL

ACX01156 AB

OIL SEAL

O-RING

RACK
BUSH

MB990925
(MB990927)