Infiniti I30 (A33). Manual — part 589
Components
NHST0021
SST856C
1.
Rear cover cap
2.
Gear sub-assembly
3.
O-ring
4.
Shim
5.
Lock nut
6.
Adjusting screw
7.
Spring
8.
Diaphragm spring
9.
Washer
10. Spring seat
11. Retainer
12. Gear housing
13. Center bushing
14. Rack oil seal
15. Rack assembly
16. Rack seal ring
17. O-ring
18. Rack oil seal
19. End cover assembly
20. Boot band
21. Dust boot
22. Boot band
23. Spacer ring
24. Lock plate
25. Tie-rod inner socket
26. Tie-rod outer socket
27. Cotter pin
28. Gear housing tube
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
RS
BT
HA
SC
EL
IDX
POWER STEERING GEAR AND LINKAGE
Components
ST-15
Removal and Installation
NHST0022
SST857C
1.
Lower joint
2.
Hole cover
3.
Insulator bracket
4.
Clamp
5.
Rear cover cap
6.
Gear and linkage assembly
7.
Rack mounting insulator
8.
Gear housing mounting bracket
9.
Cotter pin
10. Heat insulator
POWER STEERING GEAR AND LINKAGE
Removal and Installation
ST-16
SFA455BC
SST858C
CAUTION:
I
The rotation of the spiral cable (SRS “Air bag” component
part) is limited. If the steering gear must be removed, set
the front wheels in the straight-ahead direction. Do not
rotate the steering column while the steering gear is
removed.
I
Remove the steering wheel before removing the steering
lower joint to avoid damaging the SRS spiral cable.
I
Detach tie-rod outer sockets from knuckle arms with Tool.
1.
Remove front exhaust tube. Refer to FE-10, “Removal and
Installation”.
2.
Set a suitable transmission jack under transaxle.
3.
Remove center member and rear engine mounting. Refer to
EM-57, “Removal”.
4.
Remove front stabilizer bar. Refer to SU-11, “Removal and
Installation”.
5.
Remove steering gear assembly.
SST859C
I
Install pipe connector.
I
Observe specified tightening torque when tightening high-pres-
sure and low-pressure pipe connectors. Excessive tightening
will damage threads of connector or O-ring.
Connector tightening torque:
1 Low-pressure side
27 - 39 N·m (2.8 - 4.0 kg-m, 20 - 29 ft-lb)
2 High-pressure side
15 - 25 N·m (1.5 - 2.5 kg-m, 11 - 18 ft-lb)
I
The O-ring in low-pressure pipe connector is larger than that
in high-pressure connector. Take care to install the proper
O-ring.
SST824A
I
Initially, tighten nut on tie-rod outer socket and knuckle arm to
29 to 39 N·m (3 to 4 kg-m, 22 to 29 ft-lb). Then tighten further
to align nut groove with first pin hole so that cotter pin can be
installed.
CAUTION:
Tightening torque must not exceed 49 N·m (5 kg-m, 36 ft-lb).
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
RS
BT
HA
SC
EL
IDX
POWER STEERING GEAR AND LINKAGE
Removal and Installation (Cont’d)
ST-17
SST860C
I
Before removing lower joint from gear, set gear in neutral
(wheels in straight-ahead position). After removing lower joint,
put matching mark on pinion shaft and pinion housing to record
neutral position.
I
To install, set left and right dust boots to equal deflection.
Attach lower joint by aligning matching marks of pinion shaft
and pinion housing.
SST861C
I
Tighten gear housing mounting bracket bolts in the order
shown.
SST862C
Disassembly
NHST0023
1.
Prior to disassembling, measure pinion rotating torque. Record
the pinion rotating torque as a reference.
I
Before measuring, disconnect gear housing tube and
drain fluid.
I
Use soft jaws when holding steering gear housing. Handle
gear housing carefully, as it is made of aluminum. Do not
grip cylinder in a vise.
2.
Remove gear sub-assembly, O-ring and shim.
Gear sub-assembly cannot be disassembled. If it is faulty,
replace with a new one.
SST051C
3.
Remove tie-rod outer sockets and boots.
4.
Loosen tie-rod inner socket by prying up staked portion, and
remove socket and spacer.
5.
Remove retainer.
6.
Use a 2 to 2.5 mm (0.079 to 0.098 in) diameter drill to com-
pletely remove staked portion of gear housing end.
SST052C
7.
Remove end cover assembly with a suitable tool.
8.
Draw out rack assembly.
9.
Remove rack seal ring.
I
Using a heat gun, heat rack seal to approximately 40°C
(104°F).
I
Remove rack seal ring.
Be careful not to damage rack.
POWER STEERING GEAR AND LINKAGE
Removal and Installation (Cont’d)
ST-18
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