TOYOTA SUPRA 1995 Service Repair Manual

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A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-1 14
16. INSTALL SECOND COAST BRAKE COVER, PISTON
ASSEMBLY AND SPRING
(a) Coat the 2 new O-rings with ATF and install them to the
cover.
(b) Install the spring, piston assembly and cover to the case.
(c) Using SST, install the snap ring.
SST 09350-30020 (09350-07060)
17. CHECK PISTON ROD STROKE OF SECOND COAST
BRAKE
(a) Place a mark on the second coast brake piston rod.
(b) Using SST, measure the stroke while applying and releas-
ing compressed air (392-785 kPa, 4-8 kgf/cm
2, 57-114
psi).
SST 09240-00020
Piston rod stroke:
1.5 - 3.0 mm (0.059 - 0.118 in.)
If the stroke is more than specified, replace the piston rod.
Piston rod length:
71.4 mm (2.811 in.)
72.9 mm (2.870 in.)
If it is still more than standard value, replace the brake
band with a new one.

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A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-1 15
18. INSTALL OVERDRIVE SUPPORT ASSEMBLY
(a) Coat the bearing and race with petroleum jelly and install
it onto the overdrive support assembly.
Bearing and race diameter
mm (in.)
InsideOutside
Race36.8 (1.449)50.9 (2.004)
Bearing33.6 (1.323)50.3 (1.980)
(b) Confirm the thrust washer is installed correctly.
HINT: Make sure that the lug shape matches the hole on
the O/D support.
(c) Using 2 bolts of SST, aim the bolt and oil holes of the over-
drive support toward the valve body side, and align them
with the bolt holes of the transmission case and insert.
SST 09350-30020 (09350-07020)
(d) Temporarily tighten the 2 bolts.
(e) Using SST, install the snap ring.
SST 09350-30020 (09350-07060)
HINT: Install the snap ring open end toward the valve
body.
(f) Torque the 2 bolts.
Torque: 25 N´m (260 kgf´cm, 19 ft´lbf)

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A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-1 16
19. CHECK OUTPUT SHAFT
(a) Using a dial indicator, measure the end play of the output
shaft with hand.
End play:
0.27 - 0.86 mm (0.0106 - 0.0339 in.)
If the values are non-standard, check for an improper
installation.
(b) Check to see that output shaft rotates smoothly.
20. INSTALL FLANGES, PLATES AND DISCS OF OVER-
DRIVE BRAKE
(a) Install the 4.0 mm (0.157 in.) thick flange (flat ring) with the
rounded edge side of the flange facing the discs.
(b) Install the plates and discs.
Install in order: P = Plate D = Disc
PREVIA:
D-P-D-P-D
OTHERS:
D-P-D-P-D-P-D
(c) Install the flange (stepped ring) with the flat side of the
flange facing the disc.
(d) Using a screwdriver, install the snap ring.
21. CHECK PISTON STROKE OF OVERDRIVE BRAKE
(a) Place SST and a dial indicator onto the overdrive brake
piston.
SST 09350-30020 (09350-06120)
(b) Measure the stroke while applying and releasing com-
pressed air (392-785 kPa, 4-8 kgf/cm
2, 57-114 psi).
Piston stroke:
PREVIA:
1.40 - 1.70 mm (0.0551 - 0.0669 in.)
OTHERS:
1.40 - 1.70 mm (0.0551 - 0.0669 in.)

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A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-1 17
If the piston stroke is less than the limit, parts may have
been assembled incorrectly, check and reassemble
again.
If the piston stroke is non- standard, select another
flange.
HINT: There are 7 different thicknesses for the flange.
Flange thickness
mm (in.)
No.ThicknessNo.Thickness
773.3 (0.130)813.8 (0.150)
783.5 (0.138)823.9 (0.154)
793.6 (0.142)834.0 (0.157)
803.7 (0.146)
22. INSTALL OVERDRIVE PLANETARY GEAR UNIT WITH
OVERDRIVE DIRECT CLUTCH AND ONE- WAY
CLUTCH
(a) Coat the race with petroleum jelly and install them onto
the overdrive support.
Race diameter
mm (in.)
InsideOutside
Race37.1 (1.461)59.0 (2.323)
(b) Install the overdrive planetary ring gear.
(c) Coat the bearing and race with petroleum jelly and install
them onto the planetary ring gear.
Bearing and race diameter
mm (in.)
InsideOutside
Bearing26.0 (1.024)46.8 (1.843)
Race24.2 (0.953)47.8 (1.882)

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A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-1 18
(d) Coat the race with petroleum jelly and install it onto the
planetary gear.
Race diameter
mm (in.)
InsideOutside
Race27.1 (1.067)41.8 (1.646)
(e) Install the overdrive planetary gear with the overdrive di-
rect clutch and one-way clutch.
(f) Coat the assembled bearing and race with petroleum jelly
and install it onto the overdrive direct clutch.
Bearing and race diameter
mm (in.)
InsideOutside
Bearing and race28.9 (1.138)50.2 (1.976)
23. INSTALL OIL PUMP INTO CASE
(a) Coat the race with petroleum jelly and install it onto the oil
pump.
Race diameter
mm (in.)
InsideOutside
Race28.1 (1.106)47.3 (1.862)
(b) Coat a new O-ring with ATF and install it around the pump
body.
(c) Place the oil pump through the input shaft, and align the
bolt holes of the pump body with the transmission case.
(d) Hold the input shaft, and lightly press the oil pump body
to slide the oil seal rings into the O/D direct clutch drum.
NOTICE: Do not push on the oil pump strongly, or the oil
seal ring will stick to the direct clutch drum.

Page 376 of 2543

A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-1 19
(e) Install the 7 bolts.
Torque: 22 N´m (220 kgf´cm, 16 ft´lbf)
24. CHECK INPUT SHAFT ROTATION
Make sure the input shaft rotates smoothly.
25. INSTALL THROTTLE CABLE
(a) Coat a new O-ring with ATF and install it to the cable.
(b) Install the cable to the case.
26. INDIVIDUAL PISTON OPERATION INSPECTION
Check for the sound of operation while applying com-
pressed air into the oil hole indicated in the illustration.
HINT: When inspecting the O/D direct clutch, check with
the C
0 accumulator piston hole closed.
If there is no noise, disassemble and check the installa-
tion condition of the parts.
(1) O/D direct clutch
(2) Direct clutch
(3) Forward clutch
(4) O/D brake
(5) Second coast brake
(6) Second brake
(7) First and reverse brake

Page 377 of 2543

A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-120
27. INSTALL MANUAL VALVE LEVER, SHAFT AND OIL
SEAL
(a) Using SST, drive in 2 new oil seals.
SST 09350-30020 (09350-07110)
(b) Coat the oil seal lip with MP grease.
(c) Install a new spacer to the manual valve lever.
(d) Install the manual valve lever shaft to the transmission
case through the manual valve lever.
(e) Using a hammer, drive in a new spring pin.
(f) Match the manual valve lever indentation with the spacer
hole and calk them the punch.
(g) Make sure the shaft rotates smoothly.
28. INSTALL PARKING LOCK PAWL AND ROD
(a) Install the E-ring to the shaft.
(b) Install the parking lock pawl, shaft and spring.

Page 378 of 2543

A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-121
(c) Connect the parking lock rod to the manual valve lever.
(d) Install the parking lock pawl bracket and torque the 3
bolts.
Torque: 7.4 N´m (75 kgf´cm, 65 in.´lbf)
(e) Shift the manual valve lever to the P position, and confirm
that the planetary ring gear is correctly locked up by the
pawl.
29. INSTALL ACCUMULATOR SPRINGS AND PISTONS
(a) Coat the new O-rings with ATF and install them to the pis-
tons.
(b) Install the 3 springs and four accumulator pistons to the
bore.
HINT: The pistons are marked in relief with either C
0, B0,
C
2 or B2 to differentiate between them.
(c) Install the 2 springs to the C
0 accumulator piston.

Page 379 of 2543

A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-122
Accumulator Spring
TRUCK, 4 RUNNER, T100:
SpringFree length
Outer diameterColor
(1) B270.5 mm (2.776 in.)
19.7 mm (0.776 in.)Yellow
(2) C2(Inner)42.1 mm (1.657 in.)
14.7 mm (0.579 in.)Pink
(3) C2(Outer)70.2 mm (2.764 in.)
20.2 mm (0.795 in.)Purple
(4) B062.0 mm (2.441 in.)
16.0 mm (0.630 in.)Green
(5) C0(Outer)46.0 mm (1.811 in.)
14.0 mm (0.551 in.)Yellow
(6) C0(Inner)74.6 mm (2.397 in.)
20.9 mm (0.823 in.)Orange
SUPRA:
SpringFree length
Outer diameterColor
(1) B273.4 mm (2.890 in.)
19.9 mm (0.783 in.)Red
(2) C2(Inner)42.1 mm (1.657 in.)
14.7 mm (0.579 in.)Pink
(3) C2(Outer)70.2 mm (2.764 in.)
20.2 mm (0.795 in.)Purple
(4) B067.0 mm (2.638 in.)
16.2 mm (0.638 in.)White & Blue
(5) C0(Outer)46.0 mm (1.811 in.)
14.0 mm (0.551 in.)Yellow
(6) C0(Inner)74.6 mm (2.397 in.)
20.9 mm (0.823 in.)Orange
PREVIA:
SpringFree length
Outer diameterColor
(1) B275.3 mm (2.965 in.)
20.0 mm (0.787 in.)White & Red
(2) C2(Inner)42.1 mm (1.657 in.)
14.7 mm (0.579 in.)Pink
(3) C2(Outer)70.2 mm (2.764 in.)
20.2 mm (0.795 in.)Purple
(4) B067.0 mm (2.638 in.)
16.2 mm (0.638 in.)White & Blue
(5) C0(Outer)46.0 mm (1.811 in.)
14.0 mm (0.551 in.)Yellow
(6) C0(Inner)74.6 mm (2.397 in.)
20.9 mm (0.823 in.)Orange

Page 380 of 2543

A340E(Others) AUTOMATIC TRANSMISSIONCOMPONENT PARTS INSTALLATION -
AT-123
30. INSTALL CHECK BALL BODY AND SPRING
31. INSTALL VALVE BODY
(a) Align the groove of the manual valve to pin of the lever.
(b) Connect the throttle cable to the cam.
(c) Confirm the springs into the accumulator pistons are
installed correctly.
(d) Install the 17 bolts.
HINT: Each bolt length is indicated in the illustration.
Torque: 10 N´m (100 kgf´cm, 7 ft´lbf)
32. INSTALL SOLENOID WIRING
(a) Coat a new O-ring with ATF and install it to the grommet.
(b) Install the solenoid wiring to the case and install the stop-
per plate.
AT0SM-01

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