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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Automatic Transmission - JATCO CVT) >> Repair Instructions - On Vehicle >> Control Valve Body Replacement >> Installation Procedure

Installation Procedure

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  1. Install the NEW O-ring (1) to the terminal assembly.
    Fig 1: O-ring
    GM4112675Courtesy of GENERAL MOTORS COMPANY
  2. Connect the terminal assembly connector and Install the terminal assembly (1) to the control valve body.
    Fig 2: Terminal Assembly
    GM4112673Courtesy of GENERAL MOTORS COMPANY
  3. Check that the terminal assembly wiring (1) is not entangled with the terminal assembly bracket (2).
    Fig 3: Terminal Assembly Wiring
    GM4112680Courtesy of GENERAL MOTORS COMPANY
  4. Install the control valve body to the transmission.
  5. Install the 11 control valve body mounting bolts (1) and tighten to 8 N.m (71 lb in)
    Fig 4: Control Valve Body Mounting Bolts
    GM4112671Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Refer to Fastener Caution .
  6. If equipped with start/stop system, install the NEW O-ring (2) to the sub strainer (3).
    Fig 5: Sub Strainer And Sub Strainer Bolt
    GM4112661Courtesy of GENERAL MOTORS COMPANY
  7. If equipped with start/stop system, install the sub strainer (3) to the control valve body.
  8. Install the sub strainer bolt (1) and tighten to 8 N.m (71 lb in).
  9. Install the manual plate (1) and the spring washer (2) to the manual shaft.
    Fig 6: Manual Plate And Spring Washer
    GM4112668Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • To prevent excessive torque application to the manual shaft, tighten nut by fixing the manual plate with a flat-blade screwdriver or an equivalent.
    • To prevent deformation to manual valve, never allow the tool (e.g. screwdriver) to directly touch the manual valve.
  10. Install the manual plate mounting nut (3) and tighten to 22 N.m (16 lb ft).
  11. Install the NEW O-ring (1) to the fluid strainer.
    Fig 7: O-Ring And Fluid Strainer
    GM4112659Courtesy of GENERAL MOTORS COMPANY
  12. Install the fluid strainer (2) to the control valve body.
    Fig 8: Fluid Strainer And Mounting Bolts
    GM4112657Courtesy of GENERAL MOTORS COMPANY
  13. Install the 3 fluid strainer mounting bolts (1) and tighten to 8 N.m (71 lb in).
  14. Install the control valve body cover. Refer to Control Valve Body Cover Replacement .
  15. Align the marking (1) on the transmission harness connector terminal with the marking (2) on bayonet ring (3) to insert the connector.
    Fig 9: Bayonet Ring
    GM3351716Courtesy of GENERAL MOTORS COMPANY
  16. Rotate the bayonet ring (3) clockwise until the marking (1) on the transmission harness connector terminal body is aligned with the slit (2) on bayonet ring.
    Fig 10: Bayonet Ring
    GM3351713Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Securely align the marking on the harness connector terminal body with the bayonet ring slit. Then, be careful not to make a half fit condition.
    • Never mistake the slit of the bayonet ring for other dent portion.
  17. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  18. Fill the transmission fluid. Refer to Transmission Fluid Drain and Fill (Maintenance) Transmission Fluid Drain and Fill (Repair) .
  19. Perform the transmission service fast learn procedure. Refer to Transmission Service Fast Learn Procedure (MR8) .
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