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Home >> Lexus >> 1996 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Service and Repair >> Unit Overhaul >> Valve Body

Valve Body

VALVE BODY

COMPONENTS





VALVE BODY DISASSEMBLY

NOTICE: When disassembling the valve body, be careful not to damage or deform the plate which overhangs the valve body.

1. REMOVE SOLENOIDS



a. Remove No.1 and No.2 solenoids with the retainer.

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 No.3 solenoid.
d. Remove the O-ring from the solenoid.





2. REMOVE LOCK PLATE





3. REMOVE B0 ACCUMULATOR ASSEMBLY
a. Remove the 3 bolts.
b. Remove the B0 accumulator assembly.





4. DISASSEMBLE B0 ACCUMULATOR ASSEMBLY
a. Applying compressed air to the cylinder hole, remove the piston and spring.
b. Remove the 2 O-rings from the piston.





5. REMOVE NO.4 SOLENOID
a. Remove the No.4 solenoid.
b. Remove the O-ring from the solenoid.





6. REMOVE NO.1 LOWER VALVE BODY COVER
Remove the 5 bolts and No.1 lower valve body cover.


7. REMOVE OIL STRAINER, NO.1 LOWER VALVE BODY COVER GASKETS AND CHECK VALVE



a. Remove the 2 gaskets and plate from the lower valve body.





b. Remove the oil strainer, check valve and spring.





8. REMOVE PRESSURE RELIEF VALVE

9. REMOVE NO.2 LOWER VALVE BODY COVER, OIL STRAINER, CHECK BALLS AND VIBRATING STOPPER



Remove the 11 bolts and lower valve body cover.





b. Remove the 2 check balls, oil strainer and vibrating stopper.


10. REMOVE NO.2 LOWER VALVE BODY COVER GASKETS AND CHECK BALLS



a. Remove the 2 screws from the lower valve body cover.





b. Remove the 2 gaskets and plate.





c. Remove the 3 check balls from the cover.





11. REMOVE BOLTS FROM UPPER VALVE BODY
Remove the 3 bolts.





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.





13. REMOVE 2 CHECK BALLS AND VIBRATING STOPPER FROM UPPER VALVE BODY





14. REMOVE 2 OIL STRAINERS AND CHECK BALL FROM LOWER VALVE BODY


VALVE BODY ASSEMBLY





1. INSTALL 2 CHECK BALLS AND VIBRATING STOPPER TO UPPER VALVE BODY





2. INSTALL 2 OIL STRAINERS AND CHECK BALL TO LOWER VALVE BODY





3. POSITION PLATE AND NEW GASKETS ON UPPER VALVE BODY
Position new No.1 gasket, plate and the new No.2 gasket on the upper valve body.





HINT: Since No.1 gasket and No.2 gasket are similar, use the illustration above to discriminate between them.





4. PLACE UPPER VALVE BODY WITH PLATE AND GASKETS ON LOWER VALVE BODY
Hold the upper valve body, plate and gaskets securely so they do not separate.
Align each bolt hole in the valve bodies with the gaskets and plate.





5. INSTALL AND FINGER TIGHTEN BOLTS IN UPPER VALVE BODY TO SECURE LOWER VALVE BODY
Install and finger tighten the 3 bolts.

HINT: Each bolt length is indicated below.

Bolt length:
Bolt A: 44 mm (1.732 inch)
Bolt B: 16 mm (0.630 inch)

6. INSTALL NO.2 LOWER VALVE BODY COVER GASKETS, PLATE AND 3 CHECK BALLS



a. Install the 3 check balls into the No.2 lower valve body cover.





b. Position a new gasket and plate and then another new gasket.

HINT: Both gaskets are identical.





c. Install the 2 screws.





7. INSTALL OIL STRAINER, CHECK BALLS AND VIBRATING STOPPER


8. INSTALL NO.2 LOWER VALVE BODY COVER
a. Position the No.2 lower valve body cover.



b. Install and finger tighten the 11 bolts.

HINT: Each bolt length is indicated below.

Bolt length:
Bolt A: 40 mm (1.575 inch)
Bolt B: 44 mm (1.732 inch)
Bolt C: 14 mm (0.551 inch)





9. INSTALL OIL STRAINER AND CHECK VALVE
Install the oil strainer and check valve into the lower valve body.





10. INSTALL LOWER VALVE BODY COVER GASKETS AND NO.2 PLATE
Position a now gasket and plate and then another new gasket.

HINT: Both gaskets are identical.

11. INSTALL LOWER VALVE BODY COVER
a. Position the lower valve body cover.



c. Install and finger tighten the 5 bolts.

HINT: Each bolt length is indicated below.

Bolt length
Bolt A: 47 mm (1.850 inch)
Bolt B: 14 mm (0.551 inch)





12. INSTALL PRESSURE RELIEF VALVE
13. TIGHTEN BOLTS OF UPPER AND LOWER VALVE BODIES
a. Tighten the 16 bolts in the lower valve body.

Torque: 6.6 Nm (67 kgf.cm, 58 inch lbs.)





b. Tighten the 3 bolts in the upper valve body.

Torque: 6.6 Nm (67 kgf.cm, 58 inch lbs.)





14. INSTALL B0 ACCUMULATOR ASSEMBLY
a. Coat new O-rings with ATF and install them to the piston.
b. Install the spring and piston into the cylinder.

Spring dimensions





d. Install the Bo accumulator assembly.



e. Install the torque the 3 bolts.

Torque: 6.6 Nm (67 kgf.cm, 58 inch lbs.)





15. INSTALL LOCK PLATE

16. INSTALL SOLENOIDS
a. Coat new O-rings with ATF and install them to the solenoids.



b. Install the lock-up solenoid.
c. Install and torque the bolt.

Torque: 6.6 Nm (67 kgf.cm, 58 inch lbs.)





d. Install the No.4 solenoid.
e. Install and torque the bolt.

Torque: 6.6 Nm (67 kgf.cm, 58 inch lbs.)





d. Install No.1 and No.2 solenoids.
e. Install and torque the 3 bolts.

Torque: 6.6 Nm (67 kgf.cm, 58 inch lbs.)


UPPER VALVE BODY

COMPONENTS





VALVE BODY SPRINGS SPECIFICATIONS



HINT: During reassembly please refer to the spring specifications above to help discriminate between the different springs.


RETAINERS, PINS, AND CHECK BALLS LOCATION

1. PINS, RETAINERS





2. CHECK BALLS






LOWER VALVE BODY

COMPONENTS





VALVE BODY SPRINGS SPECIFICATIONS




HINT: During reassembly please refer to the spring specifications above to help discriminate between the different springs.


RETAINERS AND CHECK BALLS LOCATION

1. RETAINERS





2. CHECK BALLS
Upper Side





Lower Side




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