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PS


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G STEERING

                                                                                                                                                               A


                                                                                                                                                               B
                                                                                                  SECTION
                                                                     POWER STEERING SYSTEM                                                                     C


                                                                                                                                                               D


                                                                                                                                                               E
                                                               CONTENTS
PRECAUTIONS ......................................................... 2
                                                                     .          Disassembly and Assembly ................................... 12       .        F
 Precautions for Supplemental Restraint System                                  Inspection .............................................................. 13
                                                                                                                                                      .
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                          TILT MECHANISM ............................................. 13     .
 SIONER" ................................................................. 2
                                                                     .         POWER STEERING GEAR (MODEL: D600) .......... 14                        .        PS
 Precautions for Steering System ............................. 2     .          Description ............................................................. 14
                                                                                                                                                      .
PREPARATION .......................................................... 3
                                                                     .          Removal and Installation ....................................... 15   .
 Special Service Tools .............................................. 3
                                                                     .          Inspection and Adjustment .................................... 15     .
                                                                                                                                                               H
   POWER STEERING ............................................ 3     .            TURNING TORQUE MEASUREMENT .............. 15                        .
NOISE, VIBRATION, AND HARSHNESS (NVH)                                          POWER STEERING OIL PUMP .............................. 17              .
TROUBLESHOOTING ............................................... 5    .          Components .......................................................... 17
                                                                                                                                                      .
 NVH Troubleshooting Chart .................................... 5    .          Pre-disassembly Inspection ................................... 17     .         I
ON-VEHICLE SERVICE ............................................ 6    .          Disassembly .......................................................... 17
                                                                                                                                                      .
 Steering System ...................................................... 6
                                                                     .          Inspection .............................................................. 18
                                                                                                                                                      .
 Checking Steering Wheel Play ................................ 6     .          Assembly ............................................................... 18
                                                                                                                                                      .         J
 Checking Neutral Position on Steering Wheel ........ 7              .         STEERING LINKAGE .............................................. 20     .
   PRE-CHECKING .................................................. 7 .          Components .......................................................... 20
                                                                                                                                                      .
   CHECKING .......................................................... 7
                                                                     .          Removal and Installation ....................................... 20   .
                                                                                                                                                               K
 Checking Front Wheel Turning Angle ..................... 7          .          Disassembly and Assembly ................................... 21       .
 Checking and Adjusting Drive Belts ........................ 7       .            IDLER ARM ASSEMBLY .................................... 21          .
 Checking Fluid Level ............................................... 7
                                                                     .            CROSS ROD AND TIE-ROD ............................. 21              .
 Checking Fluid Leakage .......................................... 8 .          Inspection .............................................................. 22
                                                                                                                                                      .        L
 Bleeding Hydraulic System ..................................... 8   .            BALL JOINT AND SWIVEL JOINT ..................... 22                .
 Checking Steering Wheel Turning Force ................. 8           .            IDLER ARM ASSEMBLY .................................... 22          .
 Checking Hydraulic System .................................... 9    .            CROSS ROD AND TIE-ROD ............................. 22              .        M
STEERING WHEEL AND STEERING COLUMN .... 10                           .            FIXING LOCATION ............................................ 22     .
 Components .......................................................... 10
                                                                     .         SERVICE DATA AND SPECIFICATIONS (SDS) ..... 23                         .
 Removal and Installation ....................................... 10 .          General Specifications ........................................... 23 .
   STEERING WHEEL ........................................... 10     .          Steering Wheel ...................................................... 23
                                                                                                                                                      .
   STEERING COLUMN .........................................11       .          Steering Column .................................................... 23
                                                                                                                                                      .
                                                                                Power Steering Gear ............................................. 23  .
                                                                                Steering Linkage .................................................... 24
                                                                                                                                                      .




                                                                          PS-1
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           EGS000HR


The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
q    To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
     in the event of a collision which would result in air bag inflation, all maintenance must be per-
     formed by an authorized NISSAN/INFINITI dealer.
q    Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
     sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
     Bag Module, see the SRS section.
q    Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
     Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
     harness connectors.
Precautions for Steering System                                                                               EGS000EG


q   Before disassembly, thoroughly clean the outside of the unit.
q   Disassembly should be done in a clean work area. It is important to prevent the internal parts from
    becoming contaminated by dirt or other foreign matter.
q   For easier and proper assembly, place disassembled parts in order on a parts rack.
q   Use nylon cloths or paper towels to clean the parts; common shop rags can leave lint that might
    interfere with their operation.
q   Before inspection or reassembly, carefully clean all parts with a general purpose, non-flammable
    solvent.
q   Before assembly, apply a coat of recommended power steering fluid* to hydraulic parts. Petroleum
    jelly may be applied to O-rings and seals. Do not use any grease.
q   Replace all gaskets, seals and O-rings. Avoid damaging O-rings, seals and gaskets during installa-
    tion. Perform functional tests whenever designated.
*: Genuine NISSAN PSF II or equivalent. Refer to MA-12, "Recommended Fluids and Lubricants" .




                                                      PS-2
                                                       PREPARATION

PREPARATION                                                                                                                     PFP:00002
                                                                                                                                              A
Special Service Tools                                                                                                              EGS000EH

POWER STEERING
The actual shape of Kent-Moore tools may differ from those of special service tools illustrated here.
  Tool number                                                                                                                                 B
  (Kent-Moore No.)                                                                        Description
  Tool name
  ST27180001                                                                             Removing steering wheel                              C
  (J25726-A)
  Steering wheel puller

                                                                                                                                              D


                                                                         S-NT544
                                                                                                                                              E
  HT72520000                                                                             Removing ball joint and swivel joint
  (J25730-B)                                                                             a: 33 mm (1.30 in)
  Ball joint remover                                                                     b: 50 mm (1.97 in)
                                                                                         r: 11.5 mm (0.453 in)                                F



                                                                         NT546
                                                                                                                                              PS
  ST29020001                                                                             Removing pitman arm
  (J24319-01)                                                                            a: 34 mm (1.34 in)
  Steering gear arm puller                                                               b: 6.5 mm (0.256 in)                                 H
                                                                                         c: 61.5 mm (2.421 in)


                                                                                                                                               I
                                                                         NT694


  KV48100700                                                                             Adjusting worm bearing preload
  (J26364)                                                                                                                                     J
  Torque adapter


                                                                                                                                              K

                                                                         NT169


  ST3127S000                                                                             Measuring turning torque                             L
  (see J25765-A)
  1: GG91030000
  (J25765-A)
  Torque wrench                                                                                                                               M
  2: HT62940000
  (      --      )
  Socket adapter                                                         S-NT541

  3: HT62900000
  (      --      )
  Socket adapter
  KV48100301                                                                             Steering gear installation.
  (       --       )                                                                     a: 162 mm (6.38 in)
  Strut & steering gearbox attachment                                                    b: 110 mm (4.33 in)
                                                                                         c: 190 mm (7.48 in)
                                                                                         d: 9 mm (0.35 in)


                                                                         NT688




                                                                PS-3
                          PREPARATION

(J44372)                                      Measuring steering wheel turning force
5 - 60 Pound pull gauge




                                    LST024


KV48103500                                    Measuring oil pressure
(J26357 or J26357-10)
Pressure gauge




                                    NT547


KV48102500                                    Measuring oil pressure
(J33914)                                      (Use with KV48103500)
Pressure gauge adapter




                                    S-NT542


KV481009S0                                    Installing oil seal
(       --         )
Oil seal drift set
1: KV48100910
(       --         )
Drift
2: KV48100920
(J26367)                            NT174

Adapter
3: KV48100930
(J26367)
Adapter




                             PS-4
                                         Symptom




       X: Applicable
                                                                                                                                                          Reference page




                                                                                               (Possible cause)
                                                                                               SUSPECTED PARTS




                                         STEERING
                                                             Noise
                                                     Shake




                       Judder
                                Shimmy
                                         Vibration
                                                                                                                                                                                            NVH Troubleshooting Chart




                                                                     Fluid level                                                                         PS-7




                                                             X
                                                                     Air in hydraulic system                                                             PS-9




                                                             X
                                                                     Tie-rod ball joint swinging force                                                   PS-22




                                                             X
                                                                     Tie-rod ball joint rotating torque                                                  PS-22




                                                             X
                                                                     Tie-rod ball joint end play                                                         PS-22




                                                             X
                                                                     Steering gear fluid leakage                                                         PS-8




                                                             X




PS-5
                                                                     Steering wheel play                                                                 PS-6




                                                             X
                                                                     Steering gear turning force                                                         PS-15




                                                             X
                                                                     Drive belt looseness                                    MA-15, "Checking Drive Belts", MA-24, "Checking Drive Belts"




                                                             X
                                                                     Improper steering wheel                                                               --




                                X
                                         X
                                                     X
                                                                     Improper installation or looseness of tilt lock lever                               PS-13




                                X
                                         X
                                                     X
                                                                     Steering column deformation or damage                                               PS-13




                                         X
                                                                     Improper installation or looseness of steering column                               PS-11




                                         X
                                                                     Steering linkage looseness                                                          PS-22




                       X
                                X
                                                                     PROPELLER SHAFT                                                     PR-3, "NVH Troubleshooting Chart"




                                         X
                                                     X
                                                             X
                                                                     DIFFERENTIAL                                                       FFD-5, "(NVH) Troubleshooting Chart"




                                                             X
                                                                     DRIVE SHAFT                                                         PR-3, "NVH Troubleshooting Chart"




                                         X
                                                     X
                                                             X
                                                                                                                                                                                            NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING




                                                                     AXLE                                                                FAX-4, "NVH Troubleshooting Chart"




                       X
                                X
                                         X
                                                     X
                                                             X
                                                                     SUSPENSION                                                          FSU-4, "NVH Troubleshooting Chart"




                       X
                                X
                                         X
                                                     X
                                                             X
                                                                                                                                                                                                                                                    NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING




                                                                     TIRES                                                               WT-3, "NVH Troubleshooting Chart"




                       X
                                X
                                         X
                                                     X
                                                             X
                                                                     ROAD WHEEL                                                          WT-3, "NVH Troubleshooting Chart"




                       X
                                X
                                                     X
                                                             X       BRAKES                                                              BR-5, "NVH Troubleshooting Chart"




                       X
                                X
                                                     X
                                                             X
                                                                                                                                                                                                                              PFP:00003

                                                                                                                                                                                              EGS000EI




                                                                                                                  I


                                                                                                          J




                                                                            L
                                                                                                                                          F




                                                                                       K
                                                                                                                                                     E
                                                                                                                                                                                   B
                                                                                                                                                                                                           A




                                                                                                                         H
                                                                                                                                                                           D
                                                                                                                                                                               C




                                                                                                                                PS




                                                             M
                                        ON-VEHICLE SERVICE

ON-VEHICLE SERVICE                                                                                         PFP:00000

Steering System                                                                                                 EGS000EJ




                                                                                                          WGIA0021E

    1.   Steering wheel                2.   Tilt mechanism (if equipped)   3.   Steering gear assembly
    4.   Steering linkage              5.   Power steering oil tank        6.   Power steering oil pump
    7.   Steering column

Checking Steering Wheel Play                                                                                    EGS000EK


q    Place wheels in straight ahead position and check steering
     wheel play.
         Steering wheel play        : 35 mm (1.38 in) or less
q    If steering wheel play is not within specification, check the fol-
     lowing for loose or worn components.



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