Valve Body

VALVE BODY





Components

Valve Body Disassembly





1. NOTE THE NUMBER OF ADJUSTING RINGS

HINT: Count the number of adjusting rings before disassembly of the valve body because the throttle pressure is changed according to the number. (Some of the valve bodies do not have any adjusting rings.)





2. REMOVE UPPER VALVE BODY COVER
Remove the 9 bolts and upper valve body cover.

3. REMOVE STRAINER, GASKET, PLATE AND SLEEVE STOPPER FROM UPPER VALVE BODY





a. Remove the strainer, 2 gaskets and plate.





b. Remove the sleeve stopper.





4. REMOVE BOLTS FROM UPPER VALVE BODY
Remove the 3 bolts from upper valve body.

5. REMOVE LOWER VALVE BODY COVER





a. Remove the 14 bolts.
b. Remove the lower valve body cover and gasket.





6. REMOVE BOLTS FROM LOWER VALVE BODY
Remove the 3 bolts from lower valve body.





7. LIFT OFF LOWER VALVE BODY AND PLATE AS SINGLE UNIT
Hold the plate to the lower valve body and lift off the lower valve body.

HINT: Be careful that the check balls do not fall out.





8. REMOVE PLATE AND GASKETS

Valve Body Assembly

1. (A131L TOYOTA ONLY)
CHECK INSTALLATION OF RETAINERS, PINS, CHECK BALLS, STOPPER AND STRAINER





a. Make sure that the keys, pin, check balls and strainer (A131L TOYOTA only) on the upper side of the lower valve are installed correctly.





b. Make sure that the retainers, pins vibrating stopper and check ball on the lower side of the tipper valve body are installed correctly.








2. POSITION PLATE AND NEW GASKETS ON LOWER VALVE BODY
Position the new No.2 gasket, the plate and then the new No.1 gasket on the lower valve body.

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





3. PLACE LOWER VALVE BODY WITH PLATE AND GASKETS ON UPPER VALVE BODY

HINT: Hold the lower valve body, gaskets and plate securely so they do not separate. Align each bolt hole in the valve bodies with the gaskets and plate.





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

HINT: Each bolt length (mm, inch) is indicated in the illustration.

5. INSTALL LOWER VALVE BODY COVER
a. Install the lower valve body cover over the new gasket.





b. Install and finger tighten the 14 bolts.

HINT: Each bolt length (mm, inch) is indicated in the illustration.





6. INSTALL AND FINGER TIGHTEN BOLTS IN UPPER VALVE BODY
Install and finger tighten the 3 bolts.

HINT: Each bolt length (mm, inch) is indicated in the illustration.

7. INSTALL UPPER VALVE BODY COVER





a. Make sure that the retainers are installed correctly.





b. Install the sleeve stopper.





c. Position a now gasket and plate and then another new gasket.
d. Install the strainer onto the plate.
e. Position the upper valve body cover.





f. Install and finger tighten the 9 bolts.

HINT: Each bolt length (mm, inch) is indicated in the illustration.

8. TIGHTEN BOLTS OF UPPER AND LOWER VALVE BODIES





a. Tighten the 12 bolts in the upper valve body.

Torque: 5.4 Nm (55 kg-cm2, 48 inch lbs.)





b. Tighten the 17 bolts in the lower valve body.

Torque: 5.4 Nm (55 kg-cm2, 48 inch lbs.)


UPPER VALVE BODY





Components

HINT: During re-assembly please refer to the spring specifications below to help you to discriminate between the different springs.

Upper Valve Body Springs Specifications

A131L Aisin AW Product:

A131L Toyota Product And A132L:

Retainers, Pins, Vibrating Stopper And Check Ball Location






LOWER VALVE BODY





Components

HINT: During re-assembly please refer to the spring specifications below to help you to discriminate between the different springs.

Lower Valve Body Springs Specifications

A131L Toyota Product:

A132L:

Retainer, Pin, Check Balls And Strainer Location