Control Valve Assembly: Disassembly

Place control valve assembly with control valve upper body (1) side down. Remove bolts (A) to (G), reamer bolts (F), nuts and support plates (4) according to the following procedures. Separate control valve upper body (1), control valve inter body (2) and control valve lower body (3).

Fig 1: Identifying Control Valve Upper Body, Bolts, Reamer Bolts, And Support Plates

Courtesy of NISSAN MOTOR CO., U.S.A.

Bolt length, number and location:

1. Remove bolts (A), (D), reamer bolt (F) and nut, and remove oil strainer (1) from control valve assembly.
   Fig 2: Identifying Bolts, Reamer Bolt, Nut And Oil Strainer

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2. Remove bolts (A), (C) and (G), and then remove solenoid valve assembly (1) from control valve assembly.
   Fig 3: Identifying Bolts, Solenoid Valve Assembly And Control Valve Assembly

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3. Remove O-rings from solenoid valves and terminal body.
   Fig 4: Identifying O-Rings, Solenoid Valves And Terminal Body

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4. Place control valve upper body face down, and remove bolts (B), reamer bolt (F) and nut.
   CAUTION: Remove bolts with control valve upper body facing down, because control valve upper body and control valve inter body may come off and steel ball may fall and be lost.
   Fig 5: Identifying Control Valve Upper Body, Bolts, Reamer Bolt And Nut

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5. Remove control valve lower body (1) from control valve inter body (2).

   (3): Control valve upper body

   Fig 6: Removing Control Valve Lower Body From Control Valve Inter Body

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6. Turn over control valve lower body (1).
7. Remove bolts (E), support plates (2) and separating plate (3) from control valve lower body (1).
   Fig 7: Identifying Bolts, Support Plates, Separating Plate And Control Valve Lower Body

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8. Remove check balls (1), line pressure relief valve springs (2) and torque converter pressure holding spring (3) from control valve lower body (4).
   CAUTION: Be careful not to lose check balls (1), line pressure relief valve springs (2) and torque converter pressure holding spring (3).
   Fig 8: Identifying Check Balls, Line Pressure Relief Valve Springs And Torque Converter Pressure Holding Spring

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9. Remove control valve inter body from control valve upper body.
   Fig 9: Removing Control Valve Inter Body From Control Valve Upper Body

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10. Remove pilot filter (1) from control valve upper body (2).
11. Remove separating plate from control valve upper body (2).
    Fig 10: Identifying Pilot Filter And Control Valve Upper Body

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12. Check to see that steel balls are properly positioned in control valve inter body and then remove them.
    CAUTION: Be careful not to lose steel balls.
    Fig 11: Identifying Steel Balls

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13. Check to see that steel balls are properly positioned in control valve upper body and then remove them.
    CAUTION: Be careful not to lose steel balls.
    Fig 12: Identifying Steel Balls

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