Operation CHARM: Car repair manuals for everyone.

Control Valve

Control Valve

CAUTION:
- Do not reuse any part that has been dropped or damaged.
- Make sure valve is assembled in the proper direction.
- Do not use a magnet because residual magnetism stays during disassembly.





1. Remove bolts, and detach oil strainer.





2. Remove O-rings from oil strainer. Do not reuse O-rings.





3. Remove bolts for control valve.





4. Remove snap ring. Then push terminal assembly into center case to remove control valve assembly.





5. Remove lip seals from center case. Do not reuse lip seals. There are two kinds of lip seals (lip seal of large inner diameter: 5 pieces, lip seal of small inner diameter: 2 pieces). Confirm the position before disassembly.





6. Remove all bolts except for two.





7. Remove 4WD solenoid valve, clutch pressure switch, 2-4WD shift solenoid valve, line pressure switch, and transfer fluid temperature sensor from control valve assembly.
8. Remove O-rings from each solenoid valve, switch and terminal body.
- Do not reuse O-rings.





9. Place control valve with lower body facing up, remove two mounting bolts, and then remove lower body and separator plate from upper body.

CAUTION:
- Be careful not to drop relief balls. Detach lower body carefully.
- Do not reuse separator plate.





10. Make sure reverse balls, relief balls and relief springs, accumulator pistons, valve springs, and filters are securely installed as shown in the figure, and remove them.





11. Remove retainer plates.





12. Remove each control valve, spring and plug.