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
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