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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (RL4R01A) >> Control Valve Assembly >> Disassembly

Control Valve Assembly: Disassembly

  1. Remove solenoids.
    1. Remove overdrive cancel solenoid valve and side plate from lower body.
      2. Fig 1: Locating Overdrive Cancel Solenoid Valve Of Lower Body For Removal
      G02102903Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Remove O-ring from solenoid.
    3. Remove torque converter clutch solenoid valve from upper body.
      4. Fig 2: Locating Torque Converter Clutch Solenoid Valve Of Upper Body For Removal
      G02102904Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Remove O-ring from solenoid valve.
  2. Disassemble upper and lower bodies.
    1. Place upper body facedown, and remove bolts, reamer bolts, side plate and support plates.
    2. Remove lower body and separator plate as a unit from upper body.
      • Be careful not to drop orifice check valve, spring and steel balls. 
      Fig 3: Locating Bolts For Removing Upper And Lower Body
      G02102905Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Place lower body facedown, and remove separator plate.
    4. Remove orifice check valve and orifice check spring.
      Fig 4: Removing Orifice Check Valve And Orifice Check Spring
      G02102906Courtesy of NISSAN MOTOR CO., U.S.A.
    5. Check to see that steel balls are properly positioned in upper body and side plate, then remove them from upper body.
    Fig 5: Locating Steel Balls For Removal
    G02102907Courtesy of NISSAN MOTOR CO., U.S.A.
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