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AT3669
Piston Plate
AT3668
AT2756
AT7729
DrumPiston
AT3671
2. INSTALL C0 ACCUMULATOR PISTON TO OVERDRIVE
CASE
(a) Install a new O-ring to the accumulator piston.
(b) Coat the O-ring with ATF.
(c) Install the accumulator piston, two springs and
retaining plate.
(d) Using snap ring pliers, install the snap ring.
ASSEMBLY OF OVERDRIVE BRAKE
1. INSTALL PISTON INTO DRUM
(a) Install the new O-rings to the piston.
Coat the O-rings with ATF.
(b) Press the piston into the drum, being careful not
to damage the O-rings.
AT-82- AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit)
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AT1905
AT2823
AT7730
AT3673 AT3672
FlangeDisc Plate
2. INSTALL FLANGE, DISCS AND PLATES
(a) Install the flange, discs and plates.
Install in order: P = Plate D = Disc
Flange-D-P-D-P-D-P
(b) Install the cushion plate with the rounded end
facing upward.
3. POSITION PISTON RETURN SPRING
4. INSTALL SNAP RING INTO CASE
Be sure the end gap of the snap ring is not aligned with
one of cutouts.
5. INSTALL OVERDRIVE PLANETARY GEAR ONTO
OVERDRIVE DIRECT CLUTCH
While turning the overdrive planetary gear clockwise,
install it onto the overdrive direct clutch.
- AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit)AT-83
Page 99 of 2389
AT7731
HINT: If the overdrive planetary gear is properly installed
onto the direct clutch, the counter drive gear height from
the overdrive case will be about 24 mm (0.94 in.).
AT-84- AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit)
Page 100 of 2389

AT3462
No. 2 Solenoid No. 1
Solenoid
AT4500Lock-Up Solenoid
AT3506r Non-reusable part67 (58 in.-lb, 6.6)kg-cm (ft-lb, N-m)
: Specified torqueCheck Ball Pistonr Gasket B
0 Accumulator
CylinderLower Valve Bodyr O-Ring
Check BallLock-Up Solenoid Check Ballr No. 2 Gasket r GasketNo. 1 Plate Upper Valve Body
Cover
r O-Ringr No. 1 Gasket Oil Strainer
67 (58 in.-lb. 6.6)
No. 1 and No. 2 Solenoids
Lower Valve Body
Cover r Gasket No. 2 Plate Plate
r Gasket
Upper Valve Body
Sleeve Stopper
Spring
r O-Ring
Valve Body
COMPONENTS
(Disassembly of Valve Body)
NOTICE: When disassembling the valve body, be
careful not to damage or deform the plate which over-
hangs the valve body.
1. REMOVE SOLENOIDS
(a) Remove No. 1 and No. 2 solenoids.
NOTICE: When removing the solenoid, do not use a
screwdriver, etc. to pry up the solenoid.
(b) Remove the O-ring from each solenoid.
(c) Remove the lock-up solenoid.
(d) Remove the O-ring from the solenoid.
- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)AT-85
Page 101 of 2389
AT3465
AT3467
AT3468
Plate GasketOil Strainer
AT3469AT3464
Check Ball B
0 Accumulator
2. REMOVE B0 ACCUMULATOR ASSEMBLY
(a) Remove the three bolts.
(b) Remove the B
0 accumulator assembly.
(c) Remove the check ball on No. 1 plate.
3. DISASSEMBLE B
0 ACCUMULATOR ASSEMBLY
(a) Applying compressed air to the cylinder hole,
remove the piston and spring.
(b) Remove the two O-ring from the piston.
4. REMOVE UPPER VALVE BODY COVER
Remove the eleven bolts and upper valve body cover.
5. REMOVE OIL STRAINER, UPPER VALVE BODY
COVER GASKETS AND PLATE
(a) Remove the oil strainer on the gasket.
(b) Remove the two gaskets and plate from the upper
valve body.
6. REMOVE LOCK-UP RELAY VALVE SLEEVE STOPPER
AT-86- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)
Page 102 of 2389
AT3471
PlateGasket
AT3472
AT3473
AT3474 AT3470
7. REMOVE LOWER VALVE BODY COVER
Remove the twelve bolts and lower valve body cover.
8. REMOVE LOWER VALVE BODY COVER GASKETS
AND NO. 2 PLATE
9. REMOVE CHECK BALLS
Remove the two check balls from the lower valve body.
10. REMOVE BOLT FROM LOWER VALVE BODY
11. REMOVE BOLTS FORM UPPER VALVE BODY
Remove the three bolts.
- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)AT-87
Page 103 of 2389
AT3475
12. LIFT OFF UPPER VALVE BODY AND NO. 1 PLATE
AS A SINGLE UNIT
Hold No. 1 plate to the upper valve body and lift off the
upper valve body.
HINT: Be careful that the check balls and oil strainer do
not fall out.
AT-88- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)
Page 104 of 2389
AT3476
AT3477Lock-up Relay Valve PlugLock-up Relay
Control Valve RetainerRetainerSleeve Plug RetainerNo. 1 Accumulator
Control Valve PlugCut-back Valve
PlugRetainer Modulator Valve ThrottleSleeve PinDown-shift PlugValve Vibrating Stopper Oil Strainer RetainerThrottle ValvePlate Washer
Wave Washer B
1 orifice
Control Valve PlugCheck Ball PlugSpring Retainer 2nd Coast
Modulator Valve
The throttle pressure is changed
according to the number of adjusting
rings.
When assembling the valve body,
install the same number of adjusting
rings as were removed.
Adjusting Ring
Pin
Cam
(Upper Valve Body)
COMPONENTS
- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)AT-89