Control Valve Upper Body: Disassembly

Remove valves at retainer plates.
CAUTION: Do not use a magnetic pick-up tool.

Fig 1: Locating Valves At Retainer Plates
Courtesy of NISSAN MOTOR CO., U.S.A.
1. Use a suitable tool (A) to remove retainer plates (1).
  
  Fig 2: Removing Retainer Plates Using Suitable Tool
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Remove retainer plates (1) while holding spring, plugs (2) or sleeves using a suitable tool (A).
  CAUTION: Remove plugs (2) slowly to prevent internal parts from jumping out.
  
  Fig 3: Removing Retainer Plates
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Place mating surface of valve body face down, and remove internal parts.
  CAUTION:
  - If a valve is hard to remove, place valve body face down and lightly tap it with a soft hammer.
  - Be careful not to drop or damage valves and sleeves.
    
    Fig 4: Placing Mating Surface Of Valve Body
    Courtesy of NISSAN MOTOR CO., U.S.A.