Page 3169 of 3189
ComponentsNJST0038
SST882CA
1. Rear bracket
2. Rear body
3. Dowel pin
4. Side plate seal
5. Cam ring
6. Vane
7. Rotor
8. Side plate9. O-ring (Outer)
10. O-ring (Inner)
11. Front body
12. Drive shaft rear oil seal
13. Drive shaft front oil seal
14. Drive shaft
15. Snap ring
16. O-ring17. Outlet connector
18. Connector seal
19. Flow control valve
20. Flow control valve spring
21. Inlet connector
22. O-ring
23. Washer
SST883C
Pre-disassembly InspectionNJST0039Disassemble the power steering oil pump only if the following items
are found.
Oil leak from any point shown in the figure
Poor performance
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
RS
BT
HA
SC
EL
IDX
POWER STEERING OIL PUMP (YD ENGINE)
Components
ST-25
Page 3170 of 3189

SST884C
Removal and InstallationNJST00401. Remove chain case cover.
SST885C
2. Revolving crank pulley, set tool.
3. Fix tool with chain cover fixing bolts.
4. Using suitable tool, remove sprocket fixing nut and washer.
Do not remove Tool while power steering oil pump is
removed.
SST886C
5. Remove power steering pump fixing bolts, then remove it.
SST890C
Apply Gasket to the installation surface of the engine chain
case cover as shown in the figure before installing the chain
case cover to the engine.
Bleed air after installation.
Refer to ST-8.
DisassemblyNJST0041CAUTION:
Parts which can be disassembled are strictly limited.
Never disassemble parts other than those specified.
Disassemble in as clean a place as possible.
Clean your hands before disassembly.
Do not use rags; use nylon cloths or paper towels.
Follow the procedure and cautions in the Service Manual.
When disassembling and reassembling, do not let foreign
matter enter or contact the parts.
POWER STEERING OIL PUMP (YD ENGINE)
Removal and Installation
ST-26
Page 3171 of 3189
SST887C
Remove rear bracket and rear body.
Remove side plate seal, cam ring vane, rotor side and plate.
SST036A
Remove inlet connector and outlet connector with spring.
Be careful not to drop the flow control valve.
Do not disassemble the flow control valve.
SST888C
Remove oil seal
SST889C
Remove snap ring, then draw drive shaft.
Be careful not to drop drive shaft.
InspectionNJST0042If pulley is cracked or deformed, replace it.
If an oil leak is found around pulley shaft oil seal, replace the
seal.
If serration on pulley or pulley shaft is deformed or worn,
replace it.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
RS
BT
HA
SC
EL
IDX
POWER STEERING OIL PUMP (YD ENGINE)
Disassembly (Cont’d)
ST-27
Page 3172 of 3189
SST038A
AssemblyNJST0043Assemble oil pump, noting the following instructions.
Make sure O-rings and oil seal are properly installed.
Always install new O-rings and oil seal.
Be careful of oil seal direction.
Cam ring, rotor and vanes must be replaced as a set if neces-
sary.
Coat each part with DEXRON
TMIII or equivalent when assem-
bling.
SST289A
Pay attention to the direction of rotor.
SST843A
When assembling vanes to rotor, rounded surfaces of vanes
must face cam ring side.
SST472C
Insert pin 2 into pin groove 1 of front housing and front side
plate. Then install cam ring 3 as shown at left.
Cam ring:
D
1is less than D2.
POWER STEERING OIL PUMP (YD ENGINE)
Assembly
ST-28
Page 3173 of 3189
General SpecificationsNJST0032
Steering modelPower steering
Steering gear typePR25T
Steering overall gear ratio16.8
Turns of steering wheel (Lock to lock)2.9
Steering column typeCollapsible, tilt
Steering WheelNJST0033
Steering wheel axial play mm (in)0(0)
Steering wheel play mm (in)35 (1.38) or less
Movement of gear housing mm (in)±2(±0.08)orless
Steering ColumnNJST0034
Steering column length “L” mm (in) 545 - 547 (21.46 - 21.54)
SST855C
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
ST-29
Page 3174 of 3189

Steering Gear and LinkageNJST0035
Applied modelQG engine YD engine
Steering gear typePR25T
Tie-rod outer ball jointSwinging force at cotter pin hole: “A” N (kg, lb) 64.6 - 65.0 (6.59 - 6.63, 14.52 - 14.61)
Rotating torque: “B” N·m (kg-cm, in-lb) 0.29 - 2.94 (3.0 - 30.0, 2.6 - 26.0)
Axial end play: “C” mm (in) 0 (0)
Tie-rod inner ball jointSwinging force*: “A” N (kg, lb) 1.61 - 12.9 (0.164 - 1.32, 0.36 - 2.90)
Axial end play: “C” mm (in) 0 (0)
Tie-rod standard length “L” mm (in) 132 (5.20) 136 (5.35)
SST867C
Rack stroke “S” mm (in)65.0 (2.559)
SST086BA
Power SteeringNJST0036
Steering gear typePR25T
Rack sliding
force N (kg, lb)
Under normal oper-
ating oil pressureRange within±11.5 mm (±0.453 in)
from the neutral position at rack
speed of 3.5 mm (0.138 in)/sAverage force 132 - 308 (13.5 - 31.4, 30 - 69)
Maximum force deviation 176 (17.9, 39)
Except for the above rangeMaximum sliding force —
Maximum force deviation —
Steering wheel turning force
(Measured at one full turn from the neutral position) N (kg, lb)39(4,9)orless
Fluid capacity (Approximate)(Imp qt)1.0 (7/8)
Oil pump maximum pressure kPa (bar, kg/cm
2, psi)QG15, 18 engines 8,600 - 9,200 (86.0 - 92.0, 87.72 - 93.84, 1,247 - 1,334)
YD22 engine 8,800 - 9,400 (88.0 - 94.0, 88.7 - 95.8, 1,261 - 1,362)
SERVICE DATA AND SPECIFICATIONS (SDS)
Steering Gear and Linkage
ST-30
Page 3175 of 3189
ALPHABETICAL INDEX
SECTION
IDX
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
Page 3176 of 3189

A
A/C air flow (manual A/C) ..............................HA-19
A/C air flow <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110024> TC-27
A/C component layout (manual A/C) .............HA-17
A/C compressor clutch removal and
installation (manual A/C).............................HA-82
A/C compressor clutch removal and
installation ...............................................ATC-139
A/C compressor precaution (manual
A/C) <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011001100110011001100110011[....HA-5
A/C compressor precaution ............................ATC-7
A/C compressor special service tool
(manual A/C) .................................................HA-9
A/C compressor special service tool ............ATC-11
A/C control linkage adjustment (manual
A/C) <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011001100110011001100110011[..HA-42
A/C control operation (manual A/C) ...............HA-18
A/C diagnostic work flow (manual A/C)..........HA-34
A/C evaporator (manual A/C) .........................HA-87
A/C HFC134a (R134a) system precau-
tion (manual A/C) ..........................................HA-2
A/C HFC134a (R134a) system
precaution <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110024> TC-4
A/C HFC134a (R134a) system service
procedure (manual A/C) .............................HA-77
A/C HFC134a (R134a) system service
procedure ................................................ATC-133
A/C HFC134a (R134a) system service
tools (manual A/C) ......................................HA-10
A/C HFC134a (R134a) system service
tools<0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011001100110011001100110011[.ATC-11
A/C HFC134a system service equip-
ment precaution (manual A/C)......................HA-6
A/C HFC134a system service equip-
ment precaution ..........................................ATC-7
A/C lubricant (R134a) (manual A/C) ..............HA-79
A/C lubricant (R134a) ...................................ATC-20
A/C lubrication oil .......................................ATC-150
A/C operational check (manual A/C)..............HA-35
A/C operational check ..................................ATC-51
A/C performance chart (manual A/C).............HA-69
A/C performance test diagnoses
(manual A/C) ...............................................HA-67
A/C performance test diagnoses ..................ATC-89
A/C relay (manual A/C) ..................................HA-65
A/C reray <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
110011001100110024[TC-85
A/C self-diagnoses (auto A/C) ......................ATC-42
A/C service data specification (manual
A/C) <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011001100110011001100110011[..HA-96
A/C service data specification ....................ATC-150
A/C switch (manual A/C) ................................HA-65
A/C system description (auto A/C) ...............ATC-22
A/C trouble diagnoses (auto A/C) ................ATC-29
A/C, A - Wiring diagram................................ATC-33
A/C, M - Wiring diagram (manual A/C) ..........HA-25
A/CCUT - Wiring diagram (YD engine) ........EC-212
A/T - Wiring diagram - AT - FTS ...................AT-120
A/T - Wiring diagram - AT - MAIN .................AT-341A/T - Wiring diagram - AT - PNP/SW ............AT-114
A/T - Wiring diagram - AT -
VSS A/T........................................AT-127, AT-346
A/T fluid checking ............................................AT-13
A/T fluid replacement ......................................AT-13
A/T fluid temperature sensor.........................AT-123
A/T shift lock system - Wiring diagram .........AT-400
A/T shift lock system .....................................AT-399
A/T trouble diagnoses ........................AT-56, AT-256
A/T Wiring diagram - AT -
ENG SS........................................AT-131, AT-386
A/T Wiring diagram AT - 1ST ........................AT-137
A/T Wiring diagram AT - 2ND .......................AT-143
A/T Wiring diagram AT - 3RD .......................AT-149
A/T Wiring diagram AT - 4TH ........................AT-155
A/T Wiring diagram AT - BA/FTS.....AT-198, AT-380
A/T Wiring diagram AT - LPSV ........AT-167, AT-391
A/T Wiring diagram AT - OVRCSV ..AT-190, AT-370
A/T Wiring diagram AT - SSV/A.......AT-174, AT-360
A/T Wiring diagram AT - SSV/B.......AT-179, AT-365
A/T Wiring diagram AT - TCV ..........AT-162, AT-375
A/T Wiring diagram AT - TPS ..........AT-185, AT-355
A/T Wiring diagrawm AT -
VSSMTR ......................................AT-204, AT-351
ABS (anti-lock brake system).........................BR-45
ABS - Wiring diagram ....................................BR-50
ABS sensor rotor ............................................AX-24
Accelerator control system .........................FE-3, 14
Accelerator pedal position (APP) sen-
sor (QG engine) ..........EC-212, EC-219, EC-346,
EC-538, EC-545, EC-619
Accelerator pedal released position
learning (QG engine)....................EC-31, EC-426
Accelerator position sensor
(YD engine).................................................EC-89
Air bag disposal..............................................RS-35
Air bag precautions ...........................................GI-3
Air bag <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
11001100110011001100110011[...RS-20
Air bleeding (hydraulic clutch) ........................CL-10
Air bleeding for brake system ..........................BR-8
Air cleaner and air duct (QG engine) ............EM-14
Air cleaner filter (QG engine).........................EM-14
Air conditioner cut control
(QG engine)..................................EC-26, EC-421
Air conditioner cut control (YD engine) ..........EC-19
Air flow meter - See Mass air flow sen-
sor (QG engine) .........................EC-135, EC-497
Air flow meter - See Mass air flow sen-
sor (YD engine) ..........................................EC-78
Air mix door control linkage adjustment
(manual A/C) ...............................................HA-44
Air mix door control linkage
adjustment ................................ATC-65, ATC-127
Air mix. door motor.......................ATC-63, ATC-127
Air spoiler, rear................................................BT-47
Alternator <0011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100
1100110011[...SC-30
Ambient sensor...........ATC-101, ATC-103, ATC-116
Angular tightening application
(QG engine)..................................................EM-3
Angular tightening application
(YD engine) ..................................................EM-3
ALPHABETICAL INDEX
IDX-2