oil TOYOTA CAMRY V20 1986 Service Information

AT5051r Non-reusable partO/D Planetary Gear Oil Seal RingNo. 3 Thrust Washer Intermediate ShaftOne-W ay Clutch Outer RaceRetainerRetaining Plate Rear Bearing Intermediate Shaft Bearing Snap RingOuter Race Adjust NutCounter Driven GearOuter RaceO/D One-Way Clutch PlugO/D Planetary
Ring Gear Locking WasherFront BearingSnap Ring Flange
Snap Ring Plater O-Ring
Snap RingPiston Return
SpringBearingBearingRace Snap RingDiscC
0 PistonO/D Case Snap Ringr O-Ring PlateC
0 Drum DiscOil Seal Ring Piston Return Spring O/D Brake DrumFlange
r O-Ring O/D Brake Piston
C
0 Accumulator Piston
Spring
Retaining Plate
Snap Ring Cushion Plate
Overdrive Unit
COMPONENTS
- AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit)AT-67

AT3063
AT2523
AT7719
AT7720
Printed
Numbers
AT2745
DISASSEMBLY OF OVERDRIVE BRAKE
1. REMOVE PISTON RETURN SPRING
(a) While pushing the return spring, remove the snap
ring with a screwdriver.
(b) Remove the piston return spring.
2. REMOVE PLATES, DISCS AND FLANGE
3. REMOVE PISTON FROM DRUM
Apply compressed air to oil hole to remove the piston.
HINT: Blow with the gun slightly away from the oil hole,
and be careful that the piston dose not tilt.
4. REMOVE O-RINGS
Remove the inner and outer O-rings from the piston.
INSPECTION OF OVERDRIVE BRAKE
INSPECT DISCS, PLATES AND FLANGE
Check if the sliding surfaces of the discs, plates and
flange are worn or burnt. If necessary, replace them.
HINT:

If the lining of the disc is exfoliated or discolored,
or even a part of the printed numbers are defaced,
replace all discs.

Before assembling new discs, soak them in ATF
for at least fifteen minutes.
AT-68- AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit)

AT3668
AT3669
Piston Plate
AT3670
AT0441
AT7728
DISASSEMBLY OF OVERDRIVE CASE
1. REMOVE C0 ACCUMULATOR PISTON FROM
OVERDRIVE CASE
(a) Using snap ring pliers, remove the snap ring.
(b) Remove the retaining plate and two springs.
(c) Remove the accumulator piston.
(d) Remove the O-ring from the piston.
2. REMOVE OIL SEAL RINGS
Spread the two rings apart and remove them.
ASSEMBLY OF OVERDRIVE CASE
1. INSTALL OIL SEAL RINGS ON OVERDRIVE CASE
Spread the two rings apart and install them into the
groove.
HINT: After installing the oil seal rings, check that they
move smoothly.
- AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit)AT-81

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

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)

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)

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

AT3603
SpringFree length mm (in.)Coil outer diameter
mm (in.)Total No. of coils
Color
Second coast modulator valve 27.5 (1.083)
8.9 (0.350)
14.6 Brown
B
1 orifice control valve24.8 (0.976)
8.0 (0.315)
12.0
White
Down-shift plug29.8 (1.173)
8.7 (0.343)
13.5
Yellow
Throttle valve 30.7 (1.209) 9.2 (0.362)
9.5 Purple
Throttle modulator valve 21.7 (0.854)
9.5 (0.374)
9.5
Orange
Cut-back valve21.8 (0.858)
6.0 (0.236)
13.5
Red
No. 1 accumulator control valve 28.1 (1.106)
10.6 (0.417)
13.0
Yellow
Lock-up relay valve26.6 (1.047)
10.2 (0.402)
11.5 Green
SPECIFICATIONS OF VALVE BODY SPRINGS
HINT: During reassembly please refer to the spring specifications above to help discriminate the different
springs.
SECTIONAL VIEW OF VALVE BODY
AT-90- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)

(Lower Valve Body)
COMPONENTS
AT4502
AT3483
Retainer Plug3 - 4 Shift Valve PlugRetainer PlugRetainer PlugNo. 2 Accumulator
Control Valve Retainer
2nd lock ValveCheck Ball Secondary Regulator ValveCheck Valve
Oil Strainer Pressure Relief ValveCheck Ball
Plunger Sleeve
The line pressure changes
according to the part of
the plunger sleeve which
comes into contact with
the retainer.
When reassembling the
valve body, position the
retainer in the same
position.
Retainer PlugPlunger RetainerRetainer Shift Valve Plug PlugPrimary Regulator
Valve Plate Washer 2 - 3 Shift Valve Retainer1 - 2 Shift Valve Low Coast Modulator Valve
AT-92- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)

SpringFree length mm (in.)Coil outer diameter
mm (in.)Total No. of coils Color
Pressure relief valve11.2 (0.441) 6.4 (0.252)
7.5
None
Check valve19.9 (0.783) 11.0 (0.433)
8.5 None
Secondary regulator valve38.5 (1.516) 8.4 (0.331)
17.0
Purple
No. 2 accumulator control valve23.0 (0.906)6.3 (0.248)
12.0 Gray
Second lock valve20.7 (0.815) 6.1 (0.240)
12.0 Orange
3 - 4 shift valve29.2 (1.150) 8.9 (0.350)
12.0Light Green
Low coast modulator valve20.2 (0.795) 7.9 (0.311)
11.9 Purple
1 - 2 shift valve29.2 (1.150) 8.9 (0.350)
12.0Light Green
2 - 3 shift valve28.0 (1.102)9.4 (0.370)
10.3 None
Primary regulator valve64.2 (2.528)
18.6 (0.732)
12.5
None
SPECIFICATIONS OF VALVE BODY SPRINGS
HINT: During reassembly please refer to the spring specifications above to help discriminate the different
springs.
SECTIONAL VIEW OF VALVE BODY
AT3604
- AUTOMATIC TRANSAXLEComponent Parts (Valve Body)AT-93