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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 999 (Automatic Transmission - ALLISON (Introduction, Service & Replacement)) >> Repair Instructions >> Control Valve Body Disassemble >> Disassembly of Shift Valve Body

Disassembly of Shift Valve Body

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  1. Using J 43773  (2), compress the C shift valve spring until retaining clip (1) is loose. Remove retaining clip (1).
    Fig 1: Compressing The C Shift Valve Spring
    GM795162Courtesy of GENERAL MOTORS CORP.
  2. Fig 2: Removing Spring And C Shift Valve
    GM795163Courtesy of GENERAL MOTORS CORP.
  3. Remove spring (2) and C shift valve (1).
  4. Using J 43773  (2), compress the E shift valve spring until retaining clip (1) is loose. Remove retaining clip (1).
    Fig 3: Compressing The E Shift Valve Spring
    GM795164Courtesy of GENERAL MOTORS CORP.
  5. Fig 4: Removing Plug, Spring, And E Shift Valve
    GM795166Courtesy of GENERAL MOTORS CORP.
  6. Remove plug (3), spring (2), and E shift valve (1).
  7. Using J 43773  (2), compress the D shift valve spring until retaining clip (1) is loose. Remove retaining clip (1).
    Fig 5: Compressing The D Shift Valve Spring
    GM795169Courtesy of GENERAL MOTORS CORP.
  8. Fig 6: Removing Plug, Spring, And D Shift Valve
    GM795170Courtesy of GENERAL MOTORS CORP.
  9. Remove plug (3), spring (2), and D shift valve (1).
  10. Using J 43773  (2), compress the control main valve spring until retaining clip (1) is loose. Remove retaining clip (1).
    Fig 7: Compressing The Control Main Valve Spring
    GM795171Courtesy of GENERAL MOTORS CORP.
  11. Fig 8: Removing Spring And Control Main Valve
    GM795173Courtesy of GENERAL MOTORS CORP.
  12. Remove spring (2) and control main valve (1).
  13. Fig 9: Removing Solenoid Screen
    GM795175Courtesy of GENERAL MOTORS CORP.
  14. Remove solenoid screen (1).