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for3_trans_2-1


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AUTOMATIC TRANSMISSION

                                                                                                      AT
                                                                                                                       Page
        1.   General Description ....................................................................................2
        2.   Automatic Transmission Fluid ...................................................................29
        3.   Differential Gear Oil...................................................................................30
        4.   Road Test..................................................................................................31
        5.   Stall Test ...................................................................................................32
        6.   Time Lag Test ...........................................................................................34
        7.   Line Pressure Test ....................................................................................35
        8.   Transfer Clutch Pressure Test ..................................................................37
        9.   Automatic Transmission Assembly ...........................................................38
       10.   Transmission Mounting System ................................................................44
       11.   Extension Case Oil Seal ...........................................................................46
       12.   Differential Side Retainer Oil Seal.............................................................47
       13.   Inhibitor Switch..........................................................................................48
       14.   Front Vehicle Speed Sensor .....................................................................52
       15.   Rear Vehicle Speed Sensor......................................................................56
       16.   Torque Converter Turbine Speed Sensor .................................................57
       17.   Control Valve Body ...................................................................................58
       18.   Shift Solenoids, Duty Solenoids and ATF Temperature Sensor ...............64
       19.   Transfer Duty Solenoid and Valve Body ...................................................66
       20.   ATF Filter ..................................................................................................69
       21.   Transmission Control Module (TCM) ........................................................70
       22.   ATF Cooler Pipe and Hose .......................................................................71
       23.   Air Breather Hose......................................................................................74
       24.   Oil Charger Pipe........................................................................................75
       25.   Torque Converter Clutch Assembly ..........................................................76
       26.   Extension Case .........................................................................................77
       27.   Transfer Clutch..........................................................................................79
       28.   Reduction Driven Gear..............................................................................84
       29.   Reduction Drive Gear................................................................................86
       30.   Parking Pawl .............................................................................................88
       31.   Torque Converter Clutch Case .................................................................89
       32.   Oil Pump ...................................................................................................92
       33.   Drive Pinion Shaft .....................................................................................98
       34.   Front Differential......................................................................................103
       35.   High Clutch and Reverse Clutch .............................................................109
       36.   Planetary Gear and Low Clutch ..............................................................114
       37.   2-4 Brake.................................................................................................122
       38.   One-way Clutch.......................................................................................126
       39.   Low and Reverse Brake..........................................................................130
       40.   Transmission Control Device ..................................................................133
                                               GENERAL DESCRIPTION
AUTOMATIC TRANSMISSION

1. General Description                                              5. PLANETARY GEAR AND PLATE
A: SPECIFICATIONS                                                       Model
                                                                                        2.0 L Non-
                                                                                                         2.5 L   2.0 L Turbo
                                                                                           turbo
1. TORQUE CONVERTER CLUTCH                                              Tooth num-
                                                                        ber of front                      33
                  2.0 L Non-                                            sun gear
Model                              2.5 L         2.0 L Turbo
                     turbo
                                                                        Tooth num-
                 Symmetric, 3 element, single stage, 2 phase            ber of front                      21
Type
                              torque converter                          pinion
Stall torque                                                            Tooth num-
                  2.0 -- 2.2      1.9 -- 2.1      1.85 -- 2.15
ratio                                                                   ber of front                      75
Nominal                                                                 internal gear
                               246 mm (9.69 in)
diameter                                                                Tooth num-
Stall speed        2,000 --        2,100 --         2,600 --            ber of rear                       42
(at sea level)    2,500 rpm       2,600 rpm        3,300 rpm            sun gear
One-way                                                                 Tooth num-
                        Sprague type one-way clutch
clutch                                                                  ber of rear                       17
                                                                        pinion
2. OIL PUMP                                                             Tooth num-
                                                                        ber of rear                       75
Type                   Pracoid constant-displacement pump               internal gear
Driving method                   Driven by engine                       Drive &
                          Inner rotor             9                     driven plate
Number of teeth                                                                                      4               5
                         Outer rotor              10                    number of
                                                                        high clutch
3. TRANSMISSION CONTROL ELEMENT                                         Drive &
                                                                        driven plate
                                                                                            4             6          7
                      4-forward, 1-reverse, double-row plane-           number of
Type                                                                    low clutch
                                     tary gears
Multi-plate clutch                     3 sets                           Drive &
                                                                        driven plate
Multi-plate brake                      2 sets
                                                                        number of                         2
One-way clutch                                                          reverse
                                      1 sets
(sprague type)                                                          clutch
                                                                        Drive &
4. TRANSMISSION GEAR RATIO                                              driven plate
                                                                                                     3               4
                                                                        number of 2-
                                         Gear ratio                     4 brake
1st                                       2.785                         Drive &
2nd                                       1.545                         driven plate
3rd                                       1.000                         number of
                                                                                            4             6          7
4th                                       0.694                         low &
                                                                        reverse
Rev                                       2.272
                                                                        brake




                                                                 AT-2
                                             GENERAL DESCRIPTION
                                                                                                    AUTOMATIC TRANSMISSION

6. SELECTOR POSITION                                                9. TRANSFER
            Transmission in neutral, output member immov-                              2.0 L Non-
P (Park)                                                                  Model                           2.5 L        2.0 L Turbo
                   able, and engine start possible                                        turbo
R                                                                       Transfer
                    Transmission in reverse for backing                                         Multi-plate transfer (MPT)
(Reverse)                                                               type
N (Neu-        Transmission in neutral and engine start possi-          Drive &
tral)                               ble                                 driven plate
            Automatic gear change 1st   2nd  3rd                        number of           4               5                6
D (Drive)                                                               transfer
                                4th
                                                                        clutch
               Automatic gear change 1st   2nd  3rd                     Control
3 (3rd)                                                                                         Electronic, hydraulic type
                                   4th                                  method
               Automatic gear change 1st   2nd  3rd                                    The same Automatic transmission fluid used
2 (2nd)                                                                 Lubricant
                                   4th                                                         in automatic transmission
               1st gear locked (Deceleration possible 1st               1st reduc-
1 (1st)
                             2nd  3rd  4th)                             tion gear                     1.000 (53/53)
Control                                                                 ratio
                          Hydraulic remote control
method

7. HYDRAULIC CONTROL AND LUBRICA-
TION
                                  Electronic/hydraulic control
                                      [Four forward speed
Type                             changes by electrical signals
                                  of vehicle speed and accel-
                                    erator (throttle) opening]
                                   Dexron III type Automatic
Fluid
                                        transmission fluid
                 2.0 L Non-       8.4 -- 8.7 2 (8.9 -- 9.2 US
                 turbo model          qt, 7.4 -- 7.7 Imp qt)
Fluid capac-
                 2.5 L and
ity                              9.3 -- 9.6 2 (9.8 -- 10.1 US
                 2.0 L Turbo
                                     qt, 8.2 -- 8.4 Imp qt)
                 model
                                 Forced feed lubrication with
Lubrication system
                                          oil pump
                                 Automatic transmission fluid
Oil
                                     (above mentioned)

8. COOLING AND HARNESS
                                Liquid-cooled cooler incorpo-
Cooling system
                                       rated in radiator
Inhibitor switch                           12 poles
Transmission harness                       20 poles




                                                                 AT-3
                                     GENERAL DESCRIPTION
AUTOMATIC TRANSMISSION

10.FINAL REDUCTION
Model                                                Turbo                                          Non-turbo
Front final gear ratio                            4.111 (37/9)                                     4.444 (40/9)


                                                                             (1)
                                                                             (2)
                                                                              (3)
                                                                             GL-5
                                                                              (4)
Lubrication oil                                          ( C)   -30 -26 -15 -5 0         15    25 30
                                                         ( F)   -22 -15 5 23 32          59    77 86
                                                                                              90
                                                                                85W
                                                                           80W
                                                                           80W -90

                                                                                                                   AT-00001
Front differential oil capacity                       1.1 -- 1.3 2 (1.2 -- 1.4 US qt, 1.0 -- 1.1 Imp qt)

 (1)   ITEM                          (3)   API Classification                      (4)    SAE viscosity No. and applicable
 (2)   Front differential gear oil                                                        temperature




                                                    AT-4
                                               GENERAL DESCRIPTION
                                                                                                                     AUTOMATIC TRANSMISSION

B: COMPONENT
1. TORQUE CONVERTER CLUTCH AND CASE


                                                      (1)
                                                                              (2)
                                                                   (3)                      (4)
                                                            (16)
                                                                         T2




                                                              T2

                                        (15)                                                                            (5)




                                                                                                  (6)
                                                                                      (7)
                            (14)
                                                                                            (8)


                          T2                                                            T1




                                                                                             T2
                                               (13)

                                   T3
                                        (12)                                                                   (9)




                                                                               (10)




                                                                               (11)



                                                                                                                                          AT-00747


 (1)   Pitching stopper bracket                 (8)    Oil drain pipe                                   (15)     Torque converter clutch case
 (2)   O-ring                                   (9)    Input shaft                                      (16)     Clip
 (3)   Differential oil level gauge            (10)    O-ring
 (4)   Stay                                    (11)    Torque converter clutch ASSY                     Tightening torque: N



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