TOYOTA CAMRY V20 1986 Service Information

INSPECTION OF OVERDRIVE BRAKE
INSPECT DISCS, PLATES AND FLANGE
Check if the sliding surfaces of the discs, plates an,
flange are worn or burnt. If necessary, replace them.
HINT:
wIf the fining of the disc is exfoliated or discolored,
or even a part of the printed numbers are defaced,
replace all discs.
wBefore assembling new discs, soak them in ATF for
at least fifteen minutes.
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.
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 does not tilt.
4. REMOVE O±RINGS
Remove the inner and outer O±rings from the piston. 2. REMOVE CUSHION PLATE, PLATES, DISCS AND
FLANGE
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±106

DISASSEMBLY OF OVERDRIVE DIRECT
CLUTCH
1. CHECK PISTON STROKE OF DIRECT CLUTCH
Using a dial indicator, measure the piston stroke while apply-
ing and releasing the compressed air (4 ± 8 kg/cm2,
57 ± 114 psi or 392 ± 785 kPa) as shown.
Piston stroke: 1.21 ± 1.81 mm
(0.0476 ± 0.0752 in.)
If the piston stroke is greater than the maximum, inspect the
each component.
2. REMOVE OVERDRIVE DIRECT CLUTCH FROM CASE
3. REMOVE BEARING AND RACE FROM CLUTCH DRUM
AND CASE
4. REMOVE SNAP RING WITH SCREWDRIVER
5. REMOVE FLANGES, DISCS AND PLATES
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±107

7. REMOVE PISTON FROM CLUTCH DRUM
(a) Install the clutch drum of the case.
(b) Apply compressed air to the pressure apply hole of the
case.
(c) Remove the piston from the clutch drum.
If the piston does not come out completely, use
needle±nose pliers to remove it.
(d) Remove the clutch drum from the case.
INSPECTION OF OVERDRIVE DIRECT
CLUTCH
1. INSPECT OVERDRIVE DIRECT CLUTCH
(a) Check that the check ball is free by shaking the piston.
(b) Check that the valve does not leak by applying low
pressure compressed air. 6. REMOVE PISTON RETURN SPRING
(a) Place SST on the spring retainer and compress the
spring with a shop press.
SST 09350±32014 (09351±32070, 09351±32200)
(b) Remove the snap ring.
8. REMOVE O±RINGS
Remove the two 4±rings from the piston. (c) Remove the piston return spring.
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±108

2. INSPECT DISCS, PLATES AND FLANGES
Check that the sliding surfaces of discs, plates and
flanges are worn or burnt. If necessary, replace them.
HINT:
wIf the lining of the disc is exfoliated or discolored, or
even a part of the printed numbers are defaced, re-
place all discs.
w Before assembling new discs, soak them in ATF for
at least fifteen minutes.
3. CHECK DIRECT CLUTCH BUSHING
Using a dial indicator, measure the inside diameter of
the two direct clutch bushings.
Maximum inside diameter: 22.09 mm (0.8697 in.)
If the inside diameter is greater than the maximum, re-
place the direct clutch drum.
ASSEMBLY OF OVERDRIVE DIRECT
CLUTCH
1. INSTALL CLUTCH PISTON
(a) Install new O±rings to the piston. Coat the O±rings
with ATF.
2. INSTALL PISTON RETURN SPRING
(a) Install the return spring and set snap ring in place. (b) Press the piston into the drum with the cup side up, be-
ing careful not to damage the O±ring.
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±109

(b) Place SST on the spring retainer, and compress the
spring with a shop press.
SST 09350±32014 (09351±32070, 09351±32200)
(c) Install the snap ring with a screwdriver. Be sure end
gap of snap ring is aligned with the groove of the
clutch drum.
5. INSTALL BEARING AND RACE
(a) Coat the bearing with petroleum jelly and install it fac-
ing the race side downward to the clutch drum.
Bearing: Outer diameter 46.3 mm (1 .823 in.)
Inner diameter 26.2 mm (1.031 in.)
(b) Coat the race with petroleum jelly and install it
to the case.
Race: Outer diameter 43.0 mm (11 .693 in.)
Inner diameter 24.6 mm (0.965 in.) 4. INSTALL SNAP RING
Be sure end gap of the snap ring is not aligned with
the groove of the clutch drum. 3. INSTALL PLATES. DISCS AND FLANGE
Install in order: P=Plate D=Disc
Flange ± D ± P ± D ± Flange
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±110

DISASSEMBLY OF COUNTER DRIVE GEAR
1. CHECK OPERATION OF ONE±WAY CLUTCH
(a) While turning the overdrive gear clockwise, install the
overdrive direct clutch into the one±way clutch.
(b) Hold the overdrive direct clutch and turn the intermediate
shaft. The shaft should turn freely clockwise and should lock
counterclockwise.
(c) Remove the overdrive direct clutch.
2. CHECK COUNTER DRIVE GEAR PRELOAD
(a) Hold the intermediate shaft in a vise with soft jaws.
(b) Using a tension gauge, measure the preload.
Preload (at starting) : 920 ± 1,530 g
(2.0 ± 3.4 Ib, 9 ± 15 N)
HINT: Turn the counter drive gear right and left several
times before measuring the preload. 7. RECHECK PISTON STROKE OF' DIRECT CLUTCH
Using a dial indicator, measure the piston stroke while
applying and releasing the compressed air (4 ± 8 kg/
cm2, 57 ± 114 psi or 392 ± 785 kPa) as shown.
Piston stroke: 1.21 ± 1.91 mm
(0.0476 ± 0.0752 in.)
3. REMOVE RETAINING PLATE
(a) Remove the snap ring with a screwdriver.
(b) Remove the retaining plate. 6. INSTALL DIRECT CLUTCH ON CASE
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±111

4. REMOVE ONE±WAY CLUTCH AND OUTER RACE
5. REMOVE NO. 3 OVERDRIVE PLANETARY THRUST
WASHER
7. REMOVE PLUGS FROM PLANETARY GEAR
Remove the four plugs with a magnetic finger.
HINT: Be careful not to lose them.
(b) Using SST, loosen the adjusting nut.
SST 09350±32014 (09351±32080)
(c) Remove the adjusting nut and washer. 6. REMOVE ONE±WAY CLUTCH FROM OUTER RACE
Note the direction of the one±way clutch.
8. REMOVE ADJUSTING NUT AND WASHER
(a) Pry off the locking washer with chisel.
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±112

12. REMOVE OVERDRIVE PLANETARY RING GEAR FROM
COUNTER DRIVE GEAR
(a) While pulling up the ring gear, compress the snap ring with
needle±nose pliers and remove it from the groove.
(b) Remove the ring gear from the counter drive gear.
13. REMOVE OUTER RACES FROM COUNTER DRIVE
GEAR
Drive out the two races with a brass bar and hammer. 9. REMOVE INTERMEDIATE SHAFT BEARING
Using SST, press out the bearing from the shaft.
SST 09950±00020
10. REMOVE COUNTER DRIVE GEAR AND FRONT
BEARING
Press out the gear and bearing together.
11. REMOVE REAR BEARING
Using SST, press out the bearing.
SST 09950±00020
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±113

INSPECTION OF OVERDRIVE PLANETARY
GEAR
MEASURE PLANETARY PINION GEAR THRUST
CLEARANCE
Using a feeler gauge, measure the planetary pinion gear
thrust clearance.
Standard clearance: 0.20 ± 0.50 mm
(0.0079 ± 0.0197 in.)
2. INSTALL OUTER RACES INTO COUNTER DRIVE
GEAR
Using SST, press in the two outer races to the gear
both side.
SST 09350±32014 (09351±32120, 09351±32150)
HINT: Press in the two outer races until they touch the
snap ring. Tap the races in straight, so that they do
not tilt
ASSEMBLY OF COUNTER DRIVE GEAR
1. INSTALL SNAP RING INTO COUNTER GEAR
Install the snap ring with a screwdriver. 14. REMOVE SNAP RING FROM COUNTER DRIVE GEAR
Using a screwdriver, remove the snap ring.
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±114

5. INSTALL COUNTER DRIVE GEAR AND FRONT
BEARING
(a) Install the gear onto the shaft, and mesh the ring gear
with the planetary pinions.
(b) Place the front bearing onto the shaft.
HINT: Hold the ring gear to prevent it from failing.
6. INSTALL INTERMEDIATE SHAFT BEARING
Using SST, press in the bearing until it slightly touches
the front bearing of the counter drive gear.
SST 09350±32014 (09351±32120)
HINT: The counter drive gear can be turned lightly. 3. INSTALL OVERDRIVE PLANETARY RING GEAR INTO
COUNTER DRIVE GEAR
While pushing down the ring gear, squeeze the snap
ring end with a needle±nose pliers, and install it into
the groove.
HINT: When the snap ring is fully seated, the end will
be free.
4. INSTALL REAR BEARING
Using SST, press in the bearing onto the shaft.
SST 09350±32014 (09351±32120)
HINT: Press in the bearing until the side surface of the
inner race touches the shaft.
(c) Using SST, press in the bearing until slightly play
between the bearings.
SST 09350±32014 (09351±32120)
± AUTOMATIC TRANSAXLEComponent Parts (Overdrive Unit) (A140L and A140E)AT±115