Control Valve Body (Disassembly/Inspection)

Part 1:

Part 2:

Disassembly/Inspection

CAUTION:
- Be especially careful when handling the control valve because it consists of the most precise and delicate parts of the transaxle.
- Neatly arrange the removed parts to avoid confusing the 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 repair or replace as necessary.

Disassembly procedure




1. Remove the oil strainer assembly.
2. Remove the O-ring from the oil strainer assembly.
3. Remove the oil pipe assembly.
4. Remove the O-rings from the oil pipe assembly.




5. Remove the solenoid valve (1-2 shift) and oil strainer.
6. Remove the solenoid valve (lockup) and oil strainer.




7. Remove the solenoid valves (2-3 and 3-4 shift) and oil strainers.

NOTE: Loosen the bolts evenly and gradually.




8. Remove the upper control valve body.




9. Remove the screws.
10. Remove gasket B, upper separator plate, oil filter, and gasket A.




11. Remove the throttle relief ball and throttle relief spring from the upper control valve body.

NOTE: Loosen the bolts evenly and gradually.




12. Remove the main control valve body.




13. Remove the screws.
14. Remove gasket D, main separator plate, and gasket C.




15. Remove the rubber balls from the main control valve body.




16. Remove the oil strainer from the premain control valve body.




17. Remove the premain control valve body.




18. Remove gasket E, lower separator plate, oil filter, and gasket F.




19. Remove the oil filter from the lower control valve body.

Inspection

NOTE: Do not compress the spring when measuring it with vernier calipers.







1. Measure the spring free length.
2. If not within specification, replace the spring.