Mitsubishi Lancer Evolution VI. Manual - part 79

 

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Mitsubishi Lancer Evolution VI. Manual - part 79

 

 

STEERING  – 

Power Steering Gear Box

37A-8

DISASSEMBLY AND REASSEMBLY

Steering gear seal set

Flare nut

1

3

4

5

6

7

8

9

10

11

12

13

14

15

17

19

21

24

25

26

29

32

33

35

2

22

34

16

27

28

31

30

13 Nm

1

20

36

37

18

25 Nm

49 – 59 Nm

88 Nm

27

28

30

9

20

6

2

9

6

35

59 Nm

15

59 Nm

21 Nm

2

31

18

23

23

Disassembly steps

1. Feed pipe
2. O-ring

"

N

A

3. Tie-rod end locking nut

"

N

A

4. Tie-rod end
5. Bellows clip

"

M

A

6. Bellows band
7. Bellows

"

L

A

8. Tie-rod

"

L

A

9. Tab washer

"

K

A D

Total pinion torque adjustment

10. Locking nut

A

A

"

11. Rack support cover

12. Rack support spring
13. Rack support

"

J

A

14. End plug
15. Self-locking nut
16. Bolt
17. Valve assembly

A

B

" "

I

A

18. Oil seal

A

B

"

19. Pinion and valve assembly

A

C

" "

H

A

20. Seal ring
21. Valve housing assembly

A

D

" "

G

A

22. Ball bearing

A

D

" "

G

A

23. Oil seal

A

E

" "

F

A

24. Circlip

A

F

"

25. Rack stopper

A

F

" "

E

A

26. Rack bushing

A

G

" "

E

A

27. Oil seal
28. O-ring

A

F

" "

D

A

29. Rack
30. Piston ring
31. O-ring
32. Rack housing assembly

A

H

" "

C

A

33. Ball bearing

A

I

" "

C

A

34. Needle roller bearing

A

J

" "

B

A

35. Oil seal
36. Gear housing mounting bushing

"

A

A

37. Gear housing mounting rubber

STEERING  – 

Power Steering Gear Box

37A-9

Lubrication and Sealing Points

Fluid:

Automatic
transmission
fluid DEXRON
or DEXRON 

II

Grease: Repair kit grease

Fluid:

Automatic transmission fluid
DEXRON or DEXRON 

II

Fluid:

Automatic transmission fluid
DEXRON or DEXRON 

II

Fluid:

Automatic transmission fluid
DEXRON or DEXRON 

II

Fluid:

Automatic transmission fluid
DEXRON or DEXRON 

II

Grease: Repair kit grease

Sealant:

3M ATD Part No. 8661 or
equivalent

Fluid:

Automatic transmission fluid
DEXRON or DEXRON 

II

Grease: Silicone grease

Fluid:

Automatic transmission fluid
DEXRON or DEXRON 

II

STEERING  – 

Power Steering Gear Box

37A-10

DISASSEMBLY SERVICE POINTS

A

A

"

RACK SUPPORT COVER REMOVAL

Use the special tool to remove the rack support cover from
the gear box.

A

B

"

OIL SEAL / PINION AND VALVE ASSEMBLY
REMOVAL

Using a plastic hammer, gently tap the pinion to remove it.

A

C

"

SEAL RING REMOVAL

Cut the seal ring and remove it from the pinion and valve
assembly and the rack.

Caution
When cutting the seal ring, be careful not to damage
the pinion and valve assembly or the rack.

A

D

"

BALL BEARING / OIL SEAL REMOVAL

Use a socket, remove the oil seal and the ball bearing from
the valve housing assembly simultaneously.

A

E

"

CIRCLIP REMOVAL

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 anticlockwise to remove the circlip.

Caution
Note that if the rack stopper is first turned
anticlockwise, the circlip will get caught in the slot
in the housing and the rack stopper will not turn.

MB990607

Socket

Rack stopper

Rack

Circlip

STEERING  – 

Power Steering Gear Box

37A-11

A

F

"

RACK STOPPER / RACK BUSHING / RACK
REMOVAL

Pull out the rack assembly gently, and remove the rack stopper
and rack bushing together.

A

G

"

OIL SEAL REMOVAL

Partially bend the oil seal to remove from the rack bushing.

Caution
Do not damage the oil seal press fitting surface of the
rack bushing.

A

H

"

BALL BEARING REMOVAL

Use a brass bar or the special tool to remove the ball bearing
from the gear housing.

A

I

"

NEEDLE ROLLER BEARING REMOVAL

Use the special tool to remove the needle roller bearing from
the rack housing.

Caution
Do not open the special tool excessively to prevent
damaging housing interior.

A

J

"

OIL SEAL REMOVAL

Use a piece of pipe or similar tool to remove the oil seal
from the gear housing.

Caution
Be careful not to damage the inner surface of the rack
cylinder of the gear housing.

Rack bushing

Ball
bearing

MB990939 or
brass bar

MB991120

Needle roller
bearing

Gear housing

Pipe or similar tool

Oil seal

 

 

 

 

 

 

 

Content   ..  77  78  79  80   ..