Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Transmission Assemble (Gen 1)

Special Tools

For equivalent regional tools, refer to Special Tools.


    Install the clutch and differential housing assembly (1)
  1. Install the clutch and differential housing assembly (1) onto the R-0007758 holding fixture.


  2. Install the front differential carrier (1).

  3. Install the gasket (3) and differential carrier cover (2).
  4. Install the front differential carrier cover bolts (1). Tighten to 7 Y (61.96 lb in)

    .



  5. Lubricate the O-ring seal (2) with multipurpose grease and install onto the differential bearing adjuster (1).
  6. Lubricate the threads on the differential bearing adjuster with multipurpose grease.
  7. Using S-9407198 differential bearing race wrench install the front differential bearing adjuster (1).


  8. Note:

    If all the components are re-used align adjuster to marks. If any component was replaced go to the next step.

  9. Align marks on the differential bearing adjuster and case (1).

  10. Note:

    If no components were replaced, the bearing adjuster can be aligned to the marks. If any component was replaced, the following procedure must be performed.

  11. Using the S-9407197 differential rotating tool and a torque wrench, rotate the differential (1) 1 revolution per second.
  12. The breakaway bearing torque should be:
  • Using the S-9407198 bearing race wrench and the R-0007761 handle, adjust the breakaway torque by tightening or loosing the differential bearing adjuster.


  • Install the differential bearing adjuster lock (2).
  • Apply thread locking compound and install the differential bearing adjuster lock bolt (1). Tighten to 9 Y (79.66 lb in)

    .



  • Install the back up lamp switch (1). Tighten to 20 Y (14.75 lb ft)

    .



  • Install the reverse idler gear washer (5).
  • Verify fork alignment before installation.
  • Install the case .
  • Install the gasket (1) and transmission case (2).
  • Install the transmission case bolts (3). Tighten to 15 Y (11 lb ft)

    .



  • Install the gasket (4) and transmission cover (3).
  • Install the long transmission cover bolts (2). Tighten to 24 Y (18 lb ft)

    .

  • Install the short transmission cover bolts (1). Tighten to 8 Y (71 lb in)

    .



  • Install the clutch release bearing (1).

  • Install the gasket (3) and control lever housing (2).
  • Install the transmission control lever housing bolts (1). Tighten to 12 Y (106 lb in)

    .



  • Install the clutch fork shaft (1).
  • Install the clutch fork shaft retaining bolt (2). Tighten to 35 Y (26 lb ft)

    .



  • Remove the R-0007758 holding fixture (2) and the 3-9506289 Universal Adapter (1).
  • Transmission Adaptive Functions
    The 6T30/40/45/50 transmission utilizes a line pressure control system during upshifts to compensate for the normal wear of transmission components. As the apply components within the transmission ...

    Transmission Assemble (Gen 2)
    Special Tools 3-9506289 Universal Adapter R-0007758 Holding Fixture S-9407197 Differential Rotating Tool S-9407198 Differential Bearing Race Wrench For equivalent regional tools, refer ...

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