Control Valve Assembly: Disassembly

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Remove solenoids.
1. Remove torque converter clutch solenoid valve and side plate from lower body.
2. Remove O-ring from solenoid.
3. Remove line pressure solenoid valve from upper body.
4. Remove O-ring from solenoid.
5. Remove 3-unit solenoid assembly from upper body.
6. Remove O-rings from solenoids.
Disassemble upper and lower bodies.
1. Place upper body facedown, and remove bolts, reamer bolts and support plates.
2. Remove lower body, separator plate as a unit from upper body.
  - Be careful not to drop pilot filter, orifice check valve, spring and steel balls.
    
    Fig 4: Identifying Control Valve Assembly Bolts
    Courtesy of NISSAN MOTOR CO., U.S.A.
3. Place lower body facedown, and remove separator plate.
4. Remove pilot filter, orifice check valve and orifice check spring.
  
  Fig 5: Removing Pilot Filter, Orifice Check Valve And Orifice Check Spring
  Courtesy of NISSAN MOTOR CO., U.S.A.
5. Check to see that steel balls are properly positioned in upper body. Then remove them from upper body.
  
  Fig 6: Identifying Proper Position Of Steel Balls In Upper Body
  Courtesy of NISSAN MOTOR CO., U.S.A.