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					    - Technical Highlight -



Chonan Technical Service Training Center
Sorento
Development
                    “ 22months     work ”
              Model Fixing :   Mar. „00
 Working      Design Completion : Aug. ‟00
 Period       Pilot Model : Oct. ‟00 ~ Jun.‟01
              P1 : Sep. „01
              P2 : Nov. „01
              PP : Dec. ‟01
                           Mass Production : Mar. ‟02.



           • Name
  Brand
                      (High styling, High Performance with Hi-Tech)
  Name
           • Line-Up: LX, TLX, LIMITED
Style
 Exterior

            ● Aggressive and Strong Characteristics
            - High and Enough Volume Hood
            - Solid type & Hi-Tech image Head Lamp
            - Simple Body color bumper guard


            ● Simple body line & Empathized edge
            - Side window graphic emphasized Sporty looking
            - Sufficient Volume & Hard Side view
            - Enlarged Side-garnish


            ● Wide opening & Highly Stable feeling
            - Emphasized Back door volume & edge line
            - Solid type large rear combination lamp
            - One body Rear step with bumper & Sporty Rear-Spoiler
Front View




   ⊙ High dignity and Excellent quality
   ⊙ High power and High prestige
   ⊙ Cd = 0.435
   ⊙ O.A.W. : 1863 mm (1884mm: Side garnish)
Side View




   ⊙ Slant Edge and thick image line of stylish appearance
   ⊙ Enjoying out-door activity and leisure
   ⊙ O.A.L. : 4567 mm (4625mm : Bumper guard)
   ⊙ Wheel Base : 2710 mm
Rear View




 ⊙ Distinguished luxury rear view styling with modern and refined image
 ⊙ Rear glass flip open type
 ⊙ Electronic controlled rear wiper by ETACS
 ⊙ O.A.H. : 1726mm (1806mm : Roof rack)
Sorento
Sorento leads the style of SUV in the world automotive market




                                        ML320
                              Sorento
                                        (BENZ)




                                 X-5     RX300
                               (BMW)    (LEXUS)
Sorento
Interior




 ⊙ Sensible interior image with practicality and dignity
 ⊙ 4-poke leather steering wheel
 ⊙ Easy control and combination for best drive condition
 ⊙ Human Sensitibility Engineering Technology
 ⊙ Highly roominess interior space with simply Modulated in-panel
Sorento
  Various function & High quality for Seats


 ● Improved Rear Seat
  - Movable Center Head-rest & Arm-rest




● Strengthen Seat Design
  - Style / Feeling / Comfortable




 ● Enlarged Rear trunk space
  - Luggage Rail – Easy loading
  - Clean & Smart image
Sorento
           Maximized space for Convenience

                     Front door   Driver‟s    Center tray    Upper tray Ticket holder
  Rear door pocket
                       pocket      Tray         Ash tray
                                              (Automatic)
                                                                              Glove box
                                                                             (2 story tray)



                                                                                Floor net
  Rear side tray                                                                   tray




    Rear net tray
                                                                                Open tray
                                                                           (On center console)

                     Front seatback tray     Seat under       2 Story           Big sized
                                                tray        console box         cup holder
                     Rear arm rest tray
Sorento
 Package
   LXWXH                       4567×1863×1726
  Power Train               A2.5 CRDi, Σ3.5, S-II 2.4

  Suspension        Front: Double Wishbone, Rear: 5Link Coil

     Tire                   P245/70R16, P225/75R16

                             60˚




            1580   887                2710              1030
            1863                      4567
Sorento
 Driving Performance

                  Model               A2.5 CRDi               Σ3.5           S 2.4

                                  2WD           4WD        2WD    4WD      4WD    2WD

  Item                         5M/T   4A/T   5M/T   4A/T   4A/T   4A/T     5M/T   4A/T

 Max. Speed (Km/h)             168    171    168    170    192    192      167    158

                  0 → 400m     19.0   19.1   19.2   19.4   16.9   17.0     19.2   18.7
   Acceleration




                     0
                  →100Km/h
                               14.3   14.2   14.6   14.5   9.7    10.2     15.7   14.2

                     60
                  →100Km/h
                               9.3    8.5    9.5    8.8    5.6       5.8   15.1   8.7

                    100km
   Fuel
Efficiency
                    Const.     11.4   13.1   11.2   12.4   9.2       8.8   8.9    10.5
                   (5th, D4)
Sorento
 NVH Improvement

          Same level of NVH as High leveled Gasoline Vehicle

      Reduce Engine Vibration           Remove Timing Chain Noise


                                      Chain cover
  Balance Shaft
                                        shield




     Reduce Engine Side Noise              Reduce Engine Noise


  Cylinder block
                                       Bed plate
      shield
Sorento
     Silent Idle

            Idle Vibration                            Idle Noise
   (dB)    Sorento   Rexton   Santafe     (dB)    Sorento    Rexton      Santafe
 S/Wheel     107      120         118    Noise       47        48          50
  Floor      93       106         102   Booming      70        87          83


 • Front Damping Sheet                  • 2 folds Dash Panel Structure
 • Strengthen Frame & Structure         • 3 Points Mounting
Sorento
Power train

                                           North       Europe          General
   BODY         Eng.       T/M      T/F
                                           America
                                                     LHD     RHD     LHD     RHD

                           5MT     4WD                ●        ●      ●       ●
              A2.5TCI
              (CRDI)
                            4AT    4WD                ●        ●

                                   4WD       ●        ●        ●      ●       ●
                Σ3.5
   4Door                    4AT
                (V6)
                                   2WD       ●
   5Seat
                                   4WD       ●        ●        ●      ●       ●
                           5MT
             SIRIUS-Ⅱ
                                   2WD       ●
              (2.4ℓ I4)
                            4AT    2WD       ●

   ※ Above available spec. by regions could be changeable in final fixing stage.
Sorento
Engine view – Σ 3.5 (V6)
Sorento

Engine view – Sirius-Ⅱ (2.4ℓ)
Sorento

Engine view – A 2.5 TCI (CRDI)
Sorento

A-2.5 TCI (CDRI) – High Speed Direct Injection

 ■ Increasing specific power and fuel economy
   - DOHC 4 valve swing arm with roller and Direct-Injection(DI)
   - Turbocharger with intercooler
   - State-of-the-art Electronic Diesel Control(EDC) by Bosch with Common Rail
   - Electronically controlled high precise injectors
   - High injection pressure up to approx. 1,350 bar

 ■ Decreased Low emission and NVH
   - Pilot injection prior to main injection
   - Balance shafts and rubber case
   - EGR system with oxidation catalytic converter
   - Cam carrier and leather frame
Sorento

High Pressure Line – Common Rail
Sorento

Comparison
 Competitive Models(Diesel)


                    Kia       Hyundai      Daewoo       Opel      Mitsubishi   LandRover
   Maker/Model
                  Sorento     Teracan      Rexton     Frontera     Pajero      Freelander



 Displacement
                   2,497       2,476        2,874      2,171        3,200        1,950
 (cc)



 M.Power(Ps)      145/4,000   103/3,800   120/4,000   115/3,800   160/3,800    112/4,000



 M.Torque(kg-m)   33/2,000    24/2,000    25.5/2,400 26.5/1,900   38/2,000     26.5/1,750
Sorento
 Engine Specification
                                           A 2.5 TCI           Σ3.5           SIRIUS-Ⅱ
             Items / Model
                                             CRDI              (V6)            (2.4ℓ I4)

  Type                                 IN-LINE 4 Cylinder       V6        IN-LINE 4 Cylinder
  Valve system                              DOHC              DOHC             DOHC
  Max. Power (Ps/rpm)                      145/4000          195/5500         140/5500
  Max. Torque (kg-m/rpm)                   33/2000           30/3000         20.2/3000
  Injection Type                        Direct Injection       MPI              MPI
  Displacement (cc)                          2,497            3,497             2,361
  Bore x Stroke (mm)                        91x96            93x85.8          86.5x100
  Compression ratio                         17.7:1             10:1             10:1
                         Open(BTDC)           8’               11.5’             12’
              Intake
     Valve               Close(ABDC)         38’               60.5’             56’
   timing                Open(BBDC)           52’              43.5              54’
             Exhaust
                         Close(ATDC)           8’              20.5’             14’
  Valve clearance                          0,(HLA)           0,(HLA)          0,(HLA)
  Idle Speed (rpm)                         800±50            700±100          800±50
  Ignition Timing (BTDC)                       -             10’ ± 2’           5’±2’
  Ignition Order                            1-3-4-2         1-2-3-4-5+6        1-3-4-2
Sorento
 Transmission
   ■ Manual Transmission :              ■ Auto Transmission :
    → M5UR1                               → 30-40LEI




  ※ The same transmission is adapted regardless of the Engine variation.
Sorento
4 Wheel Drive

                             REAR AXLE

              REAR P/SHAFT


                T/M




                                                   Electronic
                                                   TRANSFER
                                         FRONT
                                         P/SHAFT
      FRONT
      AXLE
Sorento
EST

 Electronic Shift Transfer

 Manual control
      Between 2wd ↔ 4wd


 Mode :    2H, 4H, 4L


 Maker: Borg Warner in USA




 Electrical gear shifting by driver’s lever operation
Sorento
EST
 Components
        Planetary gear
           (4 LOW)
                            Rear output




       TM input




              Front input
Sorento
TOD


Full time 4wheel drive system


TOD: Torque on demand


Maker: Borg Warner in USA


TCCM: Transfer case control module


TCCM controls load distribution to front wheel variously
  - 0:100     /   50:50

Mode :      Auto, Low
Sorento
                            AUTO-LOW control
TOD                                                      Rear output
          Planetary
            gear                                           shaft
           (LOW)




                                                         Multiple
                                                          discs




            T/M
           input

                   Front
                   output
                    shaft




                        TOD or ATT (Active torque transfer)
Sorento
 ABS(Anti-Lock Brake System)
                    ■ Bosch ABS 5.3
                    - 4-Sensor 4-Channel type
                    - ABS with EBD type


                    ■ Functions
                    - Steerability
                    - Stability
                    - Stop Distance


                    ■ EBD
                    Electronic Brake force Distribution
                    Brake force distributed by HECU instead of
                    proportioning valve
EBD Modulation * EBD control example
Sorento

Advantages of EBD

 - Significant improvements have been made in brake performance

 - EBD with weight distribution sensor has been incorporated for the
   optimum function of 4 channel 4 sensor type.

 - Approach to ideal brake-force distribution

 - Adaptive to different loading conditions
 - Constant brake-force distribution during vehicle life time
 - Monitoring of EBD-function
 - Minimal extension of ABS hardware required
Sorento
     S.R.S.

Supplemental Restraint System

                                Pretensioner
                                Load limiter
                PAB




                                                                 Curtain
   Frontal                                                       airbag
    crash
   sensor

       DAB
                                                        Belt buckle sensor
                                        Pretensioner
                          ACU
                                         Load limiter
Sorento

 FUNCTIONS of SRS


    Absorbs kinematics energy of occupants.
    Protects occupants from interior trims.
    Protects occupants from broken glass.
    Reduces occupants neck load by
    kinematically restraining spin of neck.
Sorento
  AIRBAG SYSTEM OPERATING SEQUENCE

Crash                          3m Sec



Crash Sensing



Ignite the Inflator
                                          20m Sec    35m Sec   40m Sec
Produce Nitrogen Gas to Inflate the Bag

Bag Deploying

Full Deployment of the Bag

Protect the Occupants


Vent Gas (Bag Deflation)                            105m Sec



Airbag System Completed
Sorento
       DAB & PAB

                       ● Applied Depowered air bag
                         : Deployment pressure is 20~30%
                           decreased in order to avoid passengers
                           from injury by the Airbag itself
                       - DAB : Membrane type
                       - PAB : Invisible type




      Curtain Airbag


                       ● Protect passengers from Side impact
                         - The curtain airbag will be deployed from
                           roof trim to protect the occupants from
                           side impact
Sorento
      Front Impact Sensor

                                    ● More accurate & Safe
                                     - Newly developed safety device
                                     - The FIS senses a crash and send
                                       signal to ACU to deploy the Airbag
       FIS           FIS equipped
                     No FIS


        Seat belt system

 Pretensioner
      &                             ● Pretensioner
 Load limiter
                                    ● Load limiter
   Buckle
   sensor
                                    ● Buckle sensor
Sorento

Air-conditioning System
   ■ Auto Air conditioner (FATC)




   ■ Manual Air conditioner
Sorento
 Air Quality Sensor

                       -Detects exhaust & harmful gas
                       -Automatic operating
                       -Easy installation on the existing vehicle.
                       -Manual operation available.



 Humidity Sensor

                      Humidity sensor detects the relative
                      humidity of the car’s cabin. This sensor
                      converts it into the voltage signal and
                      sends the signal to the FATC controller.
Sorento



    BODY ELECTRICAL

          ■ ETACS

          ■ REAR WIPER SYSTEM

          ■ AUTO LIGHT CONTROL SYSTEM

          ■ RAIN SENSOR

          ■ MULTIMETER
Sorento
■ ETACS : Electronic Time Alarm Control System

   ETACS controls following items ;
   - Super lock function
   - Panic function
   - Two turn unlock
   - Washer related wiper
   - Variable Intermittent wiper
   - Seat belt warning
   - Ignition key hall illumination lamp control
   - Power window time lag
   - Battery saver (TNS function)
   - Keyless receiver
Sorento

 Rear Wiper Control




                      - There are two relays in the
                       controller to control the motor
                       rotation to clockwise or
                       counterclockwise according to the
                       potentiometer signal.
Sorento

  Auto Light Control




                       - While the switch is in auto position
                        tail lamp and head lamp in on / off
                        automatically regardless of the
                        driver’s intention according to the
                        surrounding brightness.
Sorento

 RAIN SENSOR

  Function
   Detection of amount of rain
    - By the Refract Ratio
    - By the Rain drop times
    - By the Rain drop distance

  Operation
    - Low, Mid, High speed – Auto mode
    - Automatic Intermittent operation
    - Selective Manual operating
Sorento

 Multi-meter


               - Vehicle multi-meter is mounted
                 on the roof trim giving driver
                 accurate reading at a glance.


                Operating Items
               - Compass
               - Altitude
               - Barometric pressure
               - Ambient temperature

				
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posted:3/7/2011
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