Valve Body: Service and Repair

VALVE BODY ASSEMBLY

COMPONENTS (Part 1):

COMPONENTS (Part 2):

COMPONENTS (Part 3):

REMOVAL
1. REMOVE ENGINE UNDER COVER RH
2. DRAIN AUTOMATIC TRANSAXLE FLUID
(a) Remove the drain plug and gasket, and drain the ATF.
(b) Install a new gasket and the drain plug.
Torque: 49 Nm (500 kgf-cm, 36 ft. lbs.)

3. REMOVE AUTOMATIC TRANSAXLE OIL PAN SUBASSEMBLY
(a) Remove the 18 bolts, oil pan and gasket.

NOTICE: Some fluid will remain in the oil pan. Remove all the pan bolts, and carefully remove the oil pan assembly.

(b) Remove the 2 magnets from the oil pan.

(c) Examine particles in the pan.
(1) Collect any steel chips with the removed magnets. Look carefully at the chips and particles in the pan and on the magnets to see the type of wear which might be found in the transaxle.
Result:
Steel (magnetic): bearing, gear and plate wear
Brass (non-magnetic): bearing wear

4. DISCONNECT TRANSMISSION WIRE
(a) Disconnect the 7 shift solenoid valve connectors.
(b) Remove the bolt and lock plate, and disconnect the ATF temperature sensor.

5. REMOVE VALVE BODY OIL STRAINER ASSEMBLY
(a) Remove the 3 bolts and oil strainer.

NOTICE: Be careful that some fluid will come out of the oil strainer.

(b) Remove the O-ring from the oil strainer.

6. REMOVE TRANSMISSION VALVE BODY ASSEMBLY
(a) Support the valve body assembly and remove the 17 bolts and the valve body assembly.

NOTICE: Be careful not to drop the check ball, spring and accumulator piston.

(b) Remove the check ball body and spring.

1. REMOVE SHIFT SOLENOID VALVE SL3
(a) Remove the bolt and shift solenoid valve SL3 from the valve body assembly.
2. REMOVE LINE PRESSURE CONTROL SOLENOID ASSEMBLY
(a) Remove the shift solenoid valve SLT from the valve body assembly.

3. REMOVE SHIFT SOLENOID VALVE S4
(a) Remove the bolt and shift solenoid valve S4 from the valve body assembly.

4. REMOVE SHIFT SOLENOID VALVE SR
(a) Remove the shift solenoid valve SR from the valve body assembly.

5. REMOVE SHIFT SOLENOID VALVE DSL
(a) Remove the bolt and shift solenoid valve DSL from the valve body assembly.

6. REMOVE SHIFT SOLENOID VALVE SL2
(a) Remove the bolt and shift solenoid valve SL2 from the valve body assembly.

7. REMOVE SHIFT SOLENOID VALVE SL1
(a) Remove the bolt and shift solenoid valve SL1 from the valve body assembly.
8. REMOVE MANUAL VALVE
(a) Remove the manual valve from the valve body assembly.

REASSEMBLY
1. INSTALL MANUAL VALVE
(a) Install the manual valve to the valve body assembly.

2. INSTALL SHIFT SOLENOID VALVE SL1
(a) Install the shift solenoid valve SL1 to the valve body assembly with the bolt.
Torque: 6.6 Nm (67 kgf-cm, 58 inch lbs.)

3. INSTALL LINE PRESSURE CONTROL SOLENOID ASSEMBLY
(a) Install the shift solenoid valve SLT to the valve body assembly with the bolt.
Torque: 6.6 Nm (67 kgf-cm, 58 inch lbs.)
4. INSTALL SHIFT SOLENOID VALVE SL3
(a) Install the shift solenoid valve SL3 to the valve body assembly with the bolt.
Torque: 6.6 Nm (67 kgf-cm, 58 inch lbs.)

5. INSTALL SHIFT SOLENOID VALVE SL2
(a) Install the shift solenoid valve SL2 to the valve body assembly with the bolt.
Torque: 10.8 Nm (110 kgf-cm, 8 ft. lbs.)

6. INSTALL SHIFT SOLENOID VALVE DSL
(a) Install the shift solenoid valve DSL to the valve body assembly with the bolt.
Torque: 10.8 Nm (110 kgf-cm, 8 ft. lbs.)

7. INSTALL SHIFT SOLENOID VALVE SR
(a) Install the shift solenoid valve SR to the valve body assembly.

8. INSTALL SHIFT SOLENOID VALVE S4
(a) Install the shift solenoid valve S4 to the valve body assembly with the bolt.
Torque: 10.8 Nm (110 kgf-cm, 8 ft. lbs.)

INSTALLATION

1. INSTALL TRANSMISSION VALVE BODY ASSEMBLY
(a) Install the spring and check ball body.

(b) Install the 7 shift solenoid valves with the 5 bolts.
Torque:
Bolts A, B 10.8 Nm (110 kgf-cm, 8 ft. lbs.)
Bolts C, D: 6.6 Nm (67 kgf-cm, 58 inch lbs.)
Bolt length:
Bolt A: 16 mm (0.63 inch)
Bolt B: 57 mm (2.2 inch)
Bolt C: 23 mm (0.9 inch)
Bolt D: 12 mm (0.47 inch)

(c) Align the groove of the manual valve with the pin of the lever.
(d) Install the 17 bolts.
Torque: 11 Nm (110 kgf-cm, 8 ft. lbs.)

NOTICE:
^ Push the valve body against the accumulator piston spring and the check ball body to install it.
^ First, temporarily tighten the bolts marked by (1) in the illustration because they are positioning bolts.

Bolt length:
Bolt A: 25 mm (0.984 inch)
Bolt B: 57 mm (2.244 inch)
Bolt C: 41 mm (1.614 inch)

2. INSTALL VALVE BODY OIL STRAINER ASSEMBLY
(a) Coat a new O-ring with ATF.
(b) Install the O-ring to the oil strainer.

3. INSTALL TRANSMISSION WIRE
(a) Coat an O-ring with ATF.
(b) Install the ATF temperature sensor with the lock plate and bolt.
Torque: 6.6 Nm (67 kgf-cm, 58 inch lbs.)
(c) Connect the 7 shift solenoid valve connectors.

4. INSTALL AUTOMATIC TRANSAXLE OIL PAN SUBASSEMBLY
(a) Install the 2 magnets in the oil pan.
(b) Apply seal packing or equivalent to the 18 bolts.
Seal packing:
Adhesive: Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent

(c) Using a new gasket, install the oil pan with the 18 bolts to the transaxle case.
Torque: 7.8 Nm (80 kgf-cm, 69 inch lbs.)

NOTICE: Since the bolts should be seal bolts, apply seal packing to the bolts and tighten them within 10 minutes of application.

5. ADD AUTOMATIC TRANSAXLE FLUID
Fluid type: ATF type T-IV
Capacity: 3.5 liters (3.7 US quarts, 3.1 Imp. quarts)
6. INSPECT AUTOMATIC TRANSAXLE FLUID
7. INSTALL ENGINE UNDER COVER RH
8. RESET MEMORY