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Home >> Saturn >> 2002 >> LW200 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Automatic Transaxle - 4T40-E/4T45-E - Service, Repair, Removal & Installation) >> Repair Instructions >> Control Valve Body Disassemble

Control Valve Body Disassemble

WARNING: This page is about a different car, the 2003 Saturn LW300, 2003 Saturn LW200, 2003 Saturn L300, and 2003 Saturn L200. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Retainer clips hold in each of the valve line-ups. Use a small screwdriver in order to remove the retainer clips. Be careful not to score the valve body when removing the retainer clips and valves. Before removing the valve line-ups, inspect each valve line-up for freedom of movement.
  1. Remove the 3-4 shift valve retainer clip (304), the bore plug (321), with O-ring (320), the 3-4 shift valve (319) and the 3-4 shift valve spring (318).
    Fig 1: Locating 3-4 Shift Valve
    GM849833Courtesy of GENERAL MOTORS CORP.
  2. Remove the actuator feed limit valve retainer clip (304), the bore pug (317), the actuator feed limit spring (316) and the actuator feed limit valve (315).
    Fig 2: Identifying Actuator Feed Limit Valve
    GM849834Courtesy of GENERAL MOTORS CORP.
  3. Remove the actuator oil filter retainer clip (304), and the actuator oil filter (314) with O-ring (313).
    4. Fig 3: Removing/Installing Control Valve Body Actuator Oil Filter Components
    GM849835Courtesy of GENERAL MOTORS CORP.
  4. Remove the Pressure Control Solenoid (PCS) retainer clip (304), the PCS with two O-rings and screen (312, 309, 310), the torque signal regulator valve (309), and the torque signal regulator spring (308).
    Fig 4: Locating Pressure Control Solenoid (PCS)
    GM849836Courtesy of GENERAL MOTORS CORP.
  5. Remove the 2-3 shift solenoid retainer clip (304), the 2-3 shift solenoid (305) with O-ring (303), the 2-3 shift valve (307), and the 2-3 shift valve spring (306).
    Fig 5: Identifying 2-3 Shift Solenoid Components
    GM20866Courtesy of GENERAL MOTORS CORP.
  6. Remove the 1-2 shift solenoid retainer clip (304), the 1-2 shift solenoid (305) with O-ring (303), the 1-2 shift valve (302), and the 1-2 shift valve spring (301).
    7. Fig 6: View Of 1-2 Shift Solenoid
    GM20867Courtesy of GENERAL MOTORS CORP.
  7. Remove the TCC solenoid retainer clip (304), the TCC solenoid (335), with two O-rings (337, 338), and screen, the TCC regulated apply valve (339) and the spring (340).
    Fig 7: Exploded View Of TCC Solenoid
    GM768699Courtesy of GENERAL MOTORS CORP.
  8. Remove the TCC control valve retainer clip (304), the bore plug (317), the spring (333), and the TCC control valve (334).
    Fig 8: Identifying TCC Control Valve Retainer Clip
    GM768700Courtesy of GENERAL MOTORS CORP.
    9. Fig 9: Locating TCC Feed Limit Valve
    GM768702Courtesy of GENERAL MOTORS CORP.
  9. Remove the TCC feed limit valve retainer clip (304), the bore plug (317), the spring (331), and the TCC feed limit valve (332).
  10. Remove the pressure regulator valve retainer clip (304), the bushing (324), the pressure regulator boost valve (325), the isolator spring (326), the pressure regulator valve spring (327), and the pressure regulator valve (328).
    Fig 10: View Of Pressure Regulator Valve Spring & Pressure Regulator Valve
    GM768704Courtesy of GENERAL MOTORS CORP.
  11. Remove the 1-2/3-4 accumulator valve retainer clip (304), the plug (341), and the accumulator valve (323).
    Fig 11: Locating 1-2/3-4 Accumulator Valve Retainer, Plug & Clip
    GM768706Courtesy of GENERAL MOTORS CORP.
  12. Inspect the valve body passages for debris.
  13. Inspect the machined surfaces for nicks or scratches. Some polish is normal for the machined surfaces.
  14. Inspect the valves for nicks or scratches that could cause sticking valves or fluid leaks.
  15. Inspect the springs, bushings, O-rings, screens and solenoids for damage.
  16. Clean and dry the valve body and valve body components.
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