2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Control Valve Assembly: Disassembly

Disassemble upper, inter and lower bodies.

Bolt length, number and location:Β 

Fig 1: Bolt Length, Number And Location Chart
G00902006Courtesy of NISSAN MOTOR CO., U.S.A.

f: Reamer bolt and nut.

Fig 2: Identifying Control Valve Assembly Bolts Location
G00902007Courtesy of NISSAN MOTOR CO., U.S.A.
  1. Remove bolts a, dΒ  and nut fΒ  and remove oil strainer from control valve assembly.
    Fig 3: Removing Oil Strainer From Control Valve Assembly
    G00902008Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Remove solenoid valve assembly and line pressure solenoid valve from control valve assembly.
    Fig 4: Removing Solenoid Valve Assembly And Line Pressure Solenoid Valve From Control Valve Assembly
    G00902009Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Remove O-rings from solenoid valves and terminal body.
    Fig 5: Removing O-Rings From Solenoid Valves And Terminal Body
    G00902010Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Place upper body facedown, and remove bolts b, cΒ  and nut f.Β 
    Fig 6: Removing Control Valve Body Bolts
    G00902011Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove inter body from lower body.
    Fig 7: Removing Inter Body From Lower Body
    G00902012Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Turn over lower body, and remove accumulator support plate.
    Fig 8: Removing Accumulator Support Plate
    G00902013Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove bolts eΒ  , separating plate and separating gasket from lower body.
  8. Remove check balls and oil cooler relief valve springs from lower body.
    • Be careful not to lose check balls and oil cooler relief valve springs.Β 
    Fig 9: Removing Check Balls, Oil Cooler Relief Valve Springs
    G00902014Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove inter body from upper body.
    Fig 10: Removing Inter Body From Upper Body
    G00902015Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Check to see that steel balls are properly positioned in inter body and then remove them.
    • Be careful not to lose steel balls.Β 
    Fig 11: Identifying Location Of Steel Balls In Inter Body
    G00902016Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Check to see that steel balls are properly positioned in upper body and then remove them.
    • Be careful not to lose steel balls.Β 
    Fig 12: Identifying Location Of Steel Balls In Upper Body
    G00902017Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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