TOYOTA SUPRA 1995 Service Repair Manual

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONTRANSMISSION CASE --
AT-73
TRANSMISSION CASE
TRANSMISSION CASE INSPECTION
INSPECT TRANSMISSION CASE BUSHING
Using a cylinder gauge, measure the inside diameter of
the transmission case rear bushing.
Maximum inside diameter:
38.18 mm (1.5031 in.)
If the inside diameter is greater than the maximum, re-
place the transmission case.
AT0EL-03

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONEXTENSION HOUSING -
AT-74
EXTENSION HOUSING
EXTENSION HOUSING DISASSEMBLY
1. REMOVE OIL SEAL FROM EXTENSION HOUSING
Using a screwdriver, remove the oil seal.
2. REMOVE EXTENSION HOUSING BEARING
(a) Using a snap ring expander, remove the snap ring.
(b) Using SST, drive out the bearing.
SST 09325-12010
EXTENSION HOUSING ASSEMBLY
1. INSTALL EXTENSION HOUSING BEARING
(a) Using SST, drive in the bearing.
SST 09350-30020 (09350-32140)
(b) Using a snap ring expander, install the snap ring.
AT0EM-03
AT0EN-03

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONEXTENSION HOUSING -
AT-75
2. INSTALL OIL SEAL TO EXTENSION HOUSING
Using SST, install a new oil seal.
SST 09325-40010

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONVALVE BODY -
AT-76
VALVE BODY
COMPONENTS
VALVE BODY DISASSEMBLY
1. REMOVE DETENT SPRING AND SPRING PLATE
2. REMOVE MANUAL VALVE
AT0EP-02
AT0PU-02

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONVALVE BODY -
AT-77
3. REMOVE 4 SOLENOIDS
(a) Remove No.1 and No.2 solenoids.
(b) Remove the O-ring from No.1 and No.2 solenoids.
(c) Remove the lock plate and No.3 and No.4 solenoids.
4. REMOVE OIL STRAINER AND PRESSURE RELIEF
VA LV E
5. TURN OVER ASSEMBLY AND REMOVE NO.5 SOLE-
NOID VALVE
6. REMOVE 28 BOLTS
7. LIFT OFF UPPER VALVE BODY AND PLATE

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONUPPER VALVE BODY -
AT-78
UPPER VALVE BODY
COMPONENTS
AT0ER-02

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONUPPER VALVE BODY - A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONUPPER VALVE BODY -
AT-79
VALVE BODY SPRING SPECIFICATIONS
HINT: During reassembly please refer to the spring specifications below to help you to differentiate the
different springs.
MarkName (Color)Free length / Outer diameter
mm (in.)Total No. of coils
(A)Lock-up relay valve (Red)23.42 (0.9220) / 5.86 (0.2307)12.25
(B)Secondary regulator valve (Blue)32.79(1.2909) / 9.4 (0.3700)12.75
(C)C1 Orifice control valve (White)37.13 (1.4618) / 11.14 (0.4316)11.25
(D)C1 Orifice control valve (None)21.50 (0.8465) / 7.76 (0.3055)11.50
(E)C1 Accumulator (Pink)75.26 (2.9623) / 15.02 (0.5193)17.06
(F)2-3 Shift valve (Purple)30.77 (1.2114) / 9.70 (0.3819)10.50
(G)3-4 Shift valve (Purple)30.77 (1.2114) / 9.70 (0.3819)10.50
(H)Reverse control valve (None)25.58 (1.0070) / 8.64 (0.3402)8.75
AT0ES-04

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONUPPER VALVE BODY -
AT-80
RETAINERS AND CHECK BALLS LOCATION
1. RETAINERS
MarkRetainerHeight / Width / Thickness
mm (in.)
(A)Check valve10.0 (0.394) / 5.0 (0.197) / 3.2 (0.126)
(B)Check valve19.0 (0.748) / 5.0 (0.197) / 3.2 (0.126)
(C)Reverse control valve16.0 (0.630) / 5.0 (0.197) / 3.2 (0.126)
(D)2-3 Shift valve12.5 (0.492) / 5.0 (0.197) / 3.2 (0.126)
(E)C1 Accumulator37.5 (1.476) / 5.0 (0.197) / 3.2 (0.126)
(F)C1 Orifice control valve12.5 (0.492) / 5.0 (0.197) / 3.2 (0.126)
(G)Secondary regulator valve10.0 (0.394) / 5.0 (0.197) / 3.2 (0.126)
(H)3-4 Shift valve11.5 (0.453) / 5.0 (0.197) / 3.2 (0.126)
(J)Lock-up relay valve21.2 (0.835) / 5.0 (0.197) / 3.2 (0.126)
AT0ET-04

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONUPPER VALVE BODY -
AT-81
2. CHECK BALLS
MarkCheck ballDiameter mm (in.)
(A)Rubber ball6.35 (0.250)
(B)Rubber ball5.54 (0.2181)

A340E (2JZ-GTE) AUTOMATIC TRANSMISSIONLOWER VALVE BODY -
AT-82
LOWER VALVE BODY
COMPONENTS
AT0EU-02