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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 >> Transmission Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the battery tray. Refer to Battery Tray Replacement (without Engine Block Heater)Battery Tray Replacement (with Engine Block Heater) .
  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. Disconnect the park/neutral position (PNP) switch electrical connector (1).
    Fig 1: Oxygen Sensor Electrical Connector And Wiring Harness Retainers
    GM4204631Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the primary speed sensor electrical connector (2).
  6. Disconnect the oxygen sensor electrical connector (3)
  7. Unclip the connector clip (4) and wiring harness retainers (5) from the transmission and brackets.
  8. Unclip the transmission air breather hose clip (6) from engine wiring harness bracket.
  9. Disconnect the secondary speed sensor electrical connector (1).
    Fig 2: Secondary Speed Sensor Electrical Connector
    GM4204635Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect the output speed sensor electrical connector (2).
  11. Unclip the wiring harness retainers (3) from the transmission and engine starter cable bracket.
  12. Rotate bayonet ring (3) counterclockwise to pull out the transmission wiring harness electrical connector upward and disconnect it.
    Fig 3: Bayonet Ring
    GM3351713Courtesy of GENERAL MOTORS COMPANY
  13. Remove the transmission fluid cooler pipes from the transmission. Refer to Transmission Fluid Cooler Inlet and Outlet Pipe Replacement .
  14. Plug and/or cap the pipes and transmission to prevent contamination.
  15. Drain the transmission fluid. Refer to repair Transmission Fluid Drain and Fill (Maintenance) Transmission Fluid Drain and Fill (Repair) .
  16. Remove the exhaust muffler. Refer to Exhaust Muffler Replacement (L5Q)Exhaust Muffler Replacement (LV7) .
  17. Remove the front wheel drive shaft from the transmission. Refer to Front Wheel Drive Shaft Replacement .
  18. Remove the transmission wiring harness bracket bolt (1) and the bracket (2) from the transmission.
    Fig 4: Transmission Wiring Harness Bracket And Bolt
    GM4204215Courtesy of GENERAL MOTORS COMPANY
  19. Remove the transmission upper bolts (1) and nut (2).
    Fig 5: Transmission Upper Bolts And Nuts
    GM4112768Courtesy of GENERAL MOTORS COMPANY
  20. Install the engine support fixture. Refer to Engine Support Fixture (LV7)Engine Support Fixture (L5Q) .
  21. Remove the starter. Refer to Starter Replacement (without Start/Stop)Starter Replacement (LV7) .
  22. Remove and discard the 4 torque converter bolts (1).
    Fig 6: Torque Converter Bolts
    GM4112770Courtesy of GENERAL MOTORS COMPANY
  23. Remove the drivetrain and front suspension cradle. Refer to Drivetrain and Front Suspension Cradle Replacement .
  24. Remove the transmission rear mount bracket. Refer to Transmission Rear Mount Bracket Replacement .
  25. Remove the left transmission mount. Refer to Transmission Mount Replacement - Left Side .
  26. Remove the left transmission mount bracket. Refer to Transmission Mount Bracket Replacement - Left Side .
  27. Use a transmission jack in order to support the transmission.
  28. Use a suitable jack stand in order to support the engine.
  29. Remove the transmission lower bolts (1).
    Fig 7: Transmission Lower Bolts
    GM4204639Courtesy of GENERAL MOTORS COMPANY
  30. Remove the engine starter cable bracket (2), oxygen sensor connector bracket (3) and the clutch housing cover (4).
  31. Separate the transmission from the engine.
    NOTE: Ensure the torque converter remains securely in place on the transmission input shaft while separating and removing the transmission.
  32. Lower the transmission with the transmission jack far enough to remove the transmission.
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