Control Valve Upper Body: Disassembly

Remove valves at retainer plates.
- Do not use a magnetic "hand".
Fig 1: Removing Valves At Retainer Plates
Courtesy of NISSAN MOTOR CO., U.S.A.
1. Use a screwdriver to remove retainer plates.
  
  Fig 2: Removing Retainer Plates Using Screwdriver
  Courtesy of NISSAN MOTOR CO., U.S.A.
2. Remove retainer plates while holding spring, plugs or sleeves.
  - Remove plugs slowly to prevent internal parts from jumping out.
  Fig 3: Removing Retainer Plates While Holding Spring, Plugs Or Sleeves
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Place mating surface of valve body face down, and remove internal parts.
  - 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: Tapping With Soft Hammer
Courtesy of NISSAN MOTOR CO., U.S.A.