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 Assembly Bolt

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

Bolt length, number and location: 

Bolt symbol	A	B	C	D	E	F(1)	G
Courtesy of NISSAN MOTOR CO., U.S.A.	13.5 (0.531)	58.0 (2.283)	40.0 (1.575)	66.0 (2.598)	33.0 (1.299)	78.0 (3.071)	18.0 (0.709)
Number of bolts	6	3	6	11	2	2	1
(1) Reamer bolt and nut.

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

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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 Solenoid Valve Assembly Bolts

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3. Remove O-rings from solenoid valves and terminal body.
   Fig 4: Identifying O-Rings From Solenoid Valves

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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 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: Identifying Control Valve Lower Body From Control Valve Inter Body

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

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9. Remove control valve inter body from control valve upper body.
   Fig 9: Identifying 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 From 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 Positioned In Control Valve Inter Body

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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 Positioned In Control Valve Upper Body

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