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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1745 (Automatic Transaxle - AF33-5 (Removal & Installation, Service & Overhaul)) >> Repair Instructions >> Control Valve Body Assembly Disassemble

Control Valve Body Assembly Disassemble

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Manual Valve
    GM749750Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The control valve body is serviced only as an assembly. Only the following components are serviced on the control valve body:
    • The 5 shift solenoid valves
    • The manual valve

    The control valve body assembly should only be disassembled to confirm a diagnostic symptom.
  1. Remove the manual valve (337).
    2. Fig 2: View Of TCC Lock Up Pressure Control Solenoid Valve Assembly
    GM749751Courtesy of GENERAL MOTORS CORP.
  2. Remove the bolt (307), the wiring harness clip (318), and the TCC lock up pressure control solenoid valve retainer (319).
  3. Remove the TCC lock up pressure control solenoid valve assembly (339).
    4. Fig 3: View Of Line Pressure Control Solenoid Valve Assembly & Shift Pressure Control Solenoid Valve Assembly
    GM749753Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolt (311), and control valve body solenoid valve retainer (312).
  5. Remove the line pressure control solenoid valve assembly (316) and the shift pressure control solenoid valve assembly (340).
    6. Fig 4: Identifying Shift Solenoid Valves
    GM798651Courtesy of GENERAL MOTORS CORP.
  6. Remove the 5 solenoid retaining bolts (1-301, 2-302, 2-307).
  7. Remove the 5 shift solenoid valves (300, 303, 305, 308, 310), and the 5 shift solenoid valve O-ring seals (306).
    8. Fig 5: Locating Front Control Valve Body Bolts/Screws
    GM766667Courtesy of GENERAL MOTORS CORP.
  8. Remove the 7 front control valve body bolts (1-304, 4-313, 2-314).
    9. Fig 6: View Of Front Control Valve Body Assembly & Middle Control Valve Body Assembly
    GM767262Courtesy of GENERAL MOTORS CORP.
  9. Remove the front control valve body assembly (315), spacer plate and gaskets as an assembly from the middle control valve body assembly (323).
    10. Fig 7: View Of Fluid Strainers & Check Valve Assemblies
    GM749761Courtesy of GENERAL MOTORS CORP.
  10. Remove the following from the middle control valve body:
    • 3 fluid strainers (371)
    • 1 fluid strainer (372)
    • 2 accumulator check valve assemblies (353)
    11. Fig 8: View Of Middle Control Valve Body Bolt/Screw
    GM749763Courtesy of GENERAL MOTORS CORP.
  11. Remove the bolt (304) from the middle control valve body.
    12. Fig 9: Turning Over Middle Control Valve Body
    GM766668Courtesy of GENERAL MOTORS CORP.
  12. Turn the middle control valve body over in order to remove the remaining bolts.
    13. Fig 10: View Of No. 2 Rear Control Valve Body Assembly Bolts/Screws
    GM749766Courtesy of GENERAL MOTORS CORP.
  13. Remove the 5 bolts (331, 332) from the No. 2 rear control valve body assembly.
    14. Fig 11: View Of No. 2 Rear Control Valve Body Assembly & Rear Control Valve Body Assembly
    GM749791Courtesy of GENERAL MOTORS CORP.
  14. Remove the No. 2 rear control valve body assembly (330), the spacer plate and the gaskets as an assembly from the rear control valve body assembly (326).
    15. Fig 12: View Of Rear Control Valve Body Bolts/Screws
    GM749781Courtesy of GENERAL MOTORS CORP.
  15. Remove the 3 rear control valve body bolts (333, 335).
    16. Fig 13: View Of Rear Control Valve Body & Middle Control Valve Body Assembly
    GM749790Courtesy of GENERAL MOTORS CORP.
  16. Remove the rear control valve body assembly (326) from the middle control valve body assembly (323).
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