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Home >> Chevrolet >> 2013 >> Sonic RS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Automatic Transmission - 6T30/6T40 - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Replacement (With 1.6L or 1.8L Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the battery tray. Refer to Battery Tray Replacement .
  2. Without draining the coolant or removing the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement .
  3. Remove the transmission range selector lever cable. Refer to Range Selector Lever Cable Replacement .
    4. Fig 1: Identifying Control Valve Body Transmission Control Module (TCM) Electrical Connector
    GM1999448Courtesy of GENERAL MOTORS COMPANY
  4. Disconnect the control valve body transmission control module electrical connector (1) then unclip the connector from the transmission.
  5. Remove the transmission fluid cooler inlet hose from the transmission. Refer to Fluid Cooler Inlet Hose Replacement .
  6. Remove the transmission fluid cooler outlet hose from the transmission. Refer to Fluid Cooler Outlet Hose Replacement .
  7. Plug and/or cap the pipes and transmission to prevent contamination.
    8. Fig 2: Upper Transmission To Engine Bolts
    GM2534716Courtesy of GENERAL MOTORS COMPANY
  8. Remove the upper transmission to engine bolts (2).
  9. Install the support fixture. Refer to Engine Support Fixture .
    10. Fig 3: Identifying Fluid Level Hole Plug
    GM1998836Courtesy of GENERAL MOTORS COMPANY
  10. Drain the transmission fluid. Refer to Transmission Fluid Drain and Fill .
  11. Remove the front exhaust pipe. Refer to Exhaust Front Pipe Replacement (LUV,LUW) .
  12. Remove the front wheel drive shafts from the transmission. Refer to Front Wheel Drive Shaft Replacement .
  13. Remove the starter motor. Refer to Starter Replacement (LUW) , Starter Replacement (LUV) .
    14. Fig 4: Flywheel Bolts & Hole Cover
    GM2534714Courtesy of GENERAL MOTORS COMPANY
  14. Mark the relationship of the flywheel to the torque converter for reassembly.
  15. Remove the hole cover (1) and the torque converter to flywheel bolts (2).
  16. Remove the drivetrain and front suspension frame. Refer to Drivetrain and Front Suspension Frame Replacement .
  17. Remove the rear transmission mount bracket from the transmission. Refer to Transmission Mount Bracket Replacement - Rear .
    18. Fig 5: Left Transmission Mount & Components
    GM2534715Courtesy of GENERAL MOTORS COMPANY
  18. Remove the left transmission mount (4). Refer to Transmission Mount Replacement - Left Side .
  19. Use a transmission jack in order to support the transmission.
    20. Fig 6: Upper Transmission To Engine Bolts
    GM2534716Courtesy of GENERAL MOTORS COMPANY
  20. Remove the lower transmission fasteners (1, 3, 4, 5).
    21. NOTE:

    Ensure the torque converter remains securely in place on the transmission input shaft while separating and removing the transmission.

  21. Separate the transmission from the engine.
  22. Lower the transmission with the transmission jack far enough to remove the transmission.
  23. Flush and flow test the transmission oil cooler and lines. Refer to Transmission Fluid Cooler Flushing and Flow Test .
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