1990 MITSUBISHI SPYDER clutch

AUTOMATIC TRANSAXLE OVERHAUL General Information
G E N E R A L I N F O R M A T I O N
The four-speed FWD transaxle uses fully-adaptive Adaptive are those which
perform their functions based on real-time feedback sensor
The t&axle uses hydraulically
applied clutches to shift a planetary gear train.
SECTIONAL VIEW
Casec l u t c h
sensor
Torque converterclutch ,
Reverse
Outputspeed sensor
gear set
Revision
gear
shaftgear
Differential

AUTOMATIC ‘TRANSAXLE OVERHAUL
HYDRAULIC CONTROL SYSTEM. .
1. Torque converter clutch2. Low reverse clutch3.2-4 clutch4. clutch5.Overdrive clutch6.Reverse clutch7.Torque converter
Bypass
11. Torque converter
12. Torque clutch control
13. Switch valve 14. Low reverse, converter solenoid15. 2-4 clutch/low reverse , 1 6 .17. Overdrive solenoid18. Regulator
-19. Vent reservoir
21. Pump22. Filter
, , ,
,
Revision

AUTOMATIC TRANSAXLE OVERHAUL
. ..
GENERAL SPECIFICATIONS
Items,Specifications
Model
Applicable engine
..
Torque converter
four-speed automatic
with converter
2 . 8 4 . .
1 . 5 7
Gear ratio
Reverse
1
0 . 6 9
2.21
SERVICE SPECIFICATIONS
p u m p gear
Output gear bearing preload mm (in.)
Output gear turning drive torque Nm
Input shaft end play mm (in.)
Transfer shaft bearing end play mm (in.)
Differential bearing preload mm (in.)I
Differential side gear end play mm (in.)
Differential turning drive torque Nm
clutch clearance mm (in.)
Overdrive clutch clearance mm (in.)I
Reverse clutch clearance mm (in.)I
clutch clearance mm (in.)
I Low/reverse clutch
mm (in.)
TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL Specifications.
THRUST PLATE, THRUST WASHER, REACTION PLATE,”
ADJUSTMENT
Thrust washer (For adjustment of differential side gear end play)
T h i c k n e s s
(in.) Thickness mm (in.)Thickness mm (in.)
Thickness mm (in.)
0.81
0.931.071 . 1 9
Reaction plate (For adjustment of low/reverse clutc h clearance)
Thickness mm (in.)Thickness mm (in.)
Thickness mm (in.)
5.365.886.406.92
5.626.146.66
Thrust plate (For adjustment of input shaft end pla y)
Thickness mm (in.)
Thickness mm (in.)
0.81 1.03 2.13 2.35 (0.839
1.03 1.25 2.35 2.57
1.25 1.47 2.57 2.79
1.47 1.69 2.79
1.69 3.23
2.13 3.23 3.45
Reaction plate (For adjustment of underdrive clutch clearance)
Thickness mm (in.)Thickness mm (in.)
Thickness mm (in.)Thickness ‘mm (in.)
5.526.506.99
Snap ring (For adjustment of reverse clutch clearan ce)
Thickness mm (in.) Thickness mm (in.)
Thickness mm (in.)Thickness mm (in.)
1.56
1.802.052.30
Shim (For adjustment of output gear bearing preload , transfer shaft bearing end play)
Thickness mm (in.)Thickness mm (in.)
Thickness mm (in.) Thickness mm (in.)”
3.223.463.70
3.263.503.743.98
3.303.543.784 . 0 2
3.343.583.824.06
3.383.623.864.10
3.423.663.904.14
Shim (For adjustment of output gear bearing preload
, transfer shaft bearing end play)
Also used as “test” shim. (Output gear)
‘2: Also used as “test” shim. (Transfer shaft)
Thickness mm (in.)Thickness mm (in.)
4.184.34
4.224.38
4.264.42
4.304.46
Thickness mm (in.)
4.50
4.54
4.58
4.62
Thickness mm (in.)
4.66
Shim (For adjustment of differential bearing preloa
d)
Also used as “test” shim. (Differential bearing)
Thickness mm (in.)Thickness mm (in.)
0 . 5 00 . 6 5
0.550.70
Thickness mm (in.) Thickness mm (in.)
0 . 8 00 . 9 5
0.851
0.600.75 0.90 1.05 I
TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL
T/C clutch switch valve.
overdrive clutch.
TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL
DISASSEMBLY
Caution
Do not intermix clutch discs or plates, or might
fall.
(1) Remove oil pan bolts..
(2) Remove oil pan.
(3) Remove oil filter.
(4) Remove valve body attaching bolts (18).
TSB RevisionI

Underdrive clutch
Sealring
(6)Remove valve body.
(7) Remove underdrive clutch
clutch accumulator with and seal rings.
.
(8)Remove return spring and two rings from the
and underdrive clutch accumulator
( 9 ) R e m o v e t h e s n a p r i n g ‘ h o l d i n g t h e
accumulator plug (cover) in place.
,
,
TSB Revision

needle bearing
washer
cooler
No. 1 caged needle
input clutches assembly.
No. 4 thrust plate and front sun gear
and pull to carrier and rear
assembly.
Remove No. 6 needle bearing.