Control Valve Assembly

DISASSEMBLY
1. Remove solenoids.
a. Remove overdrive cancel solenoid valve and side plate from lower body.
b. Remove O-ring from solenoid.





c. Remove torque converter clutch solenoid valve from upper body.
d. Remove O-ring from solenoid valve.





2. Disassemble upper and lower bodies.
a. Place upper body facedown, and remove bolts, reamer bolts and support plates.
b. Remove lower body, separator plate and separate gasket as a unit from upper body.
- Be careful not to drop orifice check valve, spring and steel balls.





c. Place lower body facedown, and remove separator plate.
d. Remove orifice check valve and orifice check spring.





e. Check to see that steel balls are properly positioned in upper body and then remove them from upper body.

INSPECTION





Lower And Upper Bodies
- Check to see that there are pins and retainer plates in lower body.





- Check to see that there are pins and retainer plates in upper body.
- Be careful not to lose these parts.





- Check to make sure that oil circuits are clean and free from damage.
- Check tube brackets and tube connectors for damage.

Separator Plates
- Check to make sure that separator plate is free of damage and not deformed and oil holes are clean.





Overdrive Cancel Solenoid Valve And Torque Converter Clutch Solenoid Valve
- Check that filter is not clogged or damaged.
- Measure resistance.





ASSEMBLY
1. Install upper and lower bodies.
a. Place oil circuit of upper body face up. Install steel balls in their proper positions.





b. Install reamer bolts from bottom of upper body and install separate gaskets.





c. Place oil circuit of lower body face up. Install orifice check spring, orifice check valve.
D: 2.0 mm (0.079 inch)





d. Install separator plate on lower body.
e. Install and temporarily tighten support plates and tube brackets.





f. Temporarily assemble lower and upper bodies, using reamer bolt as a guide.
- Be careful not to dislocate or drop steel balls, orifice check spring and orifice check valve.





g. Install and temporarily tighten bolts and tube brackets in their proper locations. Note the bolt length and locations:
Bolt a length: 45 mm (1.77 inch)
Bolt b length: 33 mm (1.30 inch)





2. Install solenoids.
a. Attach O-ring and install overdrive cancel solenoid valve and side plate onto lower body.





b. Attach O-ring and install torque converter clutch solenoid valve onto upper body.
3. Tighten bolt.