Control Valve Body (Disassembly / Inspection)

Disassembly / Inspection

CAUTION:
- Be especially careful when handling the control valve; it consists of the most precise and delicate parts of the transmission.
- Neatly arrange the removed parts to avoid confusing them with similar parts.
- Clean the removed parts with cleaning solvent, and dry them with compressed air. Clean out all holes and passages with compressed air.

1. Disassemble in the order shown in the figure, referring to Disassembly Procedure.
2. Inspect all parts and replace as necessary.

Disassembly procedure




1. Remove the solenoid valve (lockup) and side plate from the lower valve body.




2. Remove the O-ring from the solenoid valve (lockup).




3. Remove the solenoid valve (lockup control) from the lower valve body.
4. Remove the O-ring from the solenoid valve (lockup control).




5. Remove the solenoid valve (line pressure) from the upper valve body.
6. Remove the O-ring from the solenoid valve (line pressure).




7. Remove the solenoids from the upper valve body.
8. Remove the O-rings from the solenoids.




9. Remove the support plates.
10. Remove the bolts, nuts, and brackets.






CAUTION:
- Do not scratch the valve body.
- Be careful not to drop the pilot filter, orifice check valve, spring, or accumulator filter.

11. Separate the lower valve body, lower and upper gaskets, and separator plate assembly from the upper valve body.






CAUTION: Do not drop or lose the steel balls.

12. Remove the steel balls from the upper valve body.




13. Face the lower valve body downward.

CAUTION: Do not lose the pilot filter, orifice check valve, spring, or accumulator filter.

14. Remove the separator plate and gaskets.




15. Remove the orifice check valve, spring, pilot filter, and accumulator filter.




16. Remove the manual valve from the lower valve body.