Control Valve Upper Body

DISASSEMBLY
1. Remove valves at parallel pins.
- Do not use a magnetic hand.





a. Use a wire paper clip to push out parallel pins.





b. Remove parallel pins while pressing their corresponding plugs and sleeves.
- Remove plug slowly to prevent internal parts from jumping out.





c. Place mating surface of valve facedown, and remove internal parts.
- If a valve is hard to remove, place valve body facedown and lightly tap it with a soft hammer.
- Be careful not to drop or damage valves and sleeves.





2. Remove valves at retainer plates.
a. Pry out retainer plate with wire paper clip.





b. Remove retainer plates while holding spring.





c. Place mating surface of valve facedown, and remove internal parts.
- If a valve is hard to remove, lightly tap valve body with a soft hammer.
- Be careful not to drop or damage valves, sleeves, etc.

INSPECTION








Valve Springs
- Measure free length and outer diameter of each valve spring. Also check for damage or deformation. Refer tot he illustration for the inspection standard.
- Replace valve springs if deformed or fatigued.

Control Valves
- Check sliding surfaces of valves, sleeves and plugs.





ASSEMBLY
1. Lubricate the control valve body and all valves with ATF Install control valves by sliding them carefully into their bores.
- Be careful not to scratch or damage valve body.





- Wrap a small screwdriver with vinyl tape and use it to insert the valves into proper position.





2. Align protrusion of accumulator control sleeve with notch in plug. Align parallel pin groove in plug with parallel pin, and install accumulator control valve.





3. Install parallel pins and retainer plates.





- While pushing plug, install parallel pin.
- Insert retainer plate while pushing spring.