Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Transmission Disassemble (Gen 2)

Special Tools

For equivalent regional tools, refer to Special Tools.


    Attach R-0007758 holding fixture (2) to the transmission.
  1. Attach R-0007758 holding fixture (2) to the transmission.
  2. Attach R-0007758 holding fixture (2) with transmission to the 3-9506289 Universal Adapter (1).


  3. Remove the clutch release bearing (1).

  4. Remove the clutch fork shaft retaining bolt (2).
  5. Remove the clutch fork shaft (1).

  6. Remove the transmission control lever housing bolts (1).
  7. Remove the control lever housing (2) and gasket (3).

  8. Remove the transmission cover bolts (3).
  9. Remove the transmission cover (2) and gasket (1).

  10. Remove the back up lamp switch (1).

  11. Remove the transmission case bolts (3).
  12. Remove the transmission case (2) and gasket (1).
  13. Remove the case magnet (4), may stay with case.
  14. Note:

    The reverse gear shaft snap ring (6) MUST be installed even if not originally equipped to prevent shifting issues caused by incorrect assembly or parts not in position.

  15. Remove the reverse gear shaft snap ring (6) if equipped.
  16. Remove the reverse idler gear washer (5), may stay on the reverse idler gear shaft.

  17. Mark the differential bearing adjuster and case (1) before removal.

  18. Remove the differential bearing adjuster lock bolt (1).
  19. Remove the differential bearing adjuster lock (2).

  20. Using S-9407198 differential bearing race wrench remove the front differential bearing adjuster (1).
  21. Remove the front differential bearing retainer O-ring seal (2).

  22. Remove the front differential carrier cover bolts (1).
  23. Remove the differential carrier cover (2) and gasket (3).

  24. Remove the front differential carrier (1).
Transmission Disassemble (Gen 1)
Special Tools 3-9506289 Universal Adapter R-0007758 Holding Fixture S-9407198 Differential Bearing Race Wrench For equivalent regional tools, refer to Special Tools. Attach R-0 ...

Transmission General Description
The Hydra-matic 6T30/40/45/50 is a fully automatic, 6-speed, front-wheel drive, electronic-controlled transmission. It consists primarily of a 4-element torque converter, a compound planetary gear ...

Other materials:

Off-Road Recovery
The vehicle's right wheels can drop off the edge of a road onto the shoulder while driving. Follow these tips: 1. Ease off the accelerator and then, if there is nothing in the way, steer the vehicle so that it straddles the edge of the pavement. 2. Turn the steering wheel about one-eight ...

Cooling System
The cooling system allows the engine to maintain the correct working temperature. 1.4L L4 Engine 1. Engine Cooling Fan (Out of View) 2. Engine Coolant Surge Tank and Pressure Cap 1.8L L4 Engine 1. Engine Cooling Fan (Out of View) 2. Engine Coolant Surge Tank and Pressure Cap Warning An e ...

Transmission Mount Replacement - Left Side
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Install the engine support fixture. Refer to Engine Support Fixture. Remove and DISCARD the left transmission mount to bracket bolts (1). Remove the left transmission mo ...

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