GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Cobalt 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T45-E 🢒 Control Valve Body Cover Replacement

Removal Procedure

    Object Number: 13340 Size: MH
  1. Remove the air cleaner housing assembly. Refer to Air Cleaner Assembly Replacement.

    2. Object Number: 736049 Size: SH
  2. Remove the underhood electrical center from the bracket.
  3. Remove the underhood electrical center bracket.

    4. Object Number: 494775 Size: SH
  4. Disconnect the shift cable from the PNP switch.
  5. Remove the shift cable bracket.

    6. Object Number: 893829 Size: SH
  6. Remove the PNP switch lever nut and lever.

    7. Object Number: 893832 Size: SH
  7. Remove the PNP switch. Refer to Park/Neutral Position Switch Replacement.
  8. Remove the transmission upper side cover bolts.
  9. Install the engine support fixture. Refer to Engine Support Fixture.
  10. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  11. Remove the left front tire and wheel. Refer to Tire and Wheel Removal and Installation.
  12. Remove the left inner fender liner. Refer to Front Fender Liner Replacement.
  13. Remove the wheel drive shaft from the transmission. Refer to Wheel Drive Shaft Replacement.
  14. Remove the power steering gear mounting bolts. Refer to Steering Gear Replacement.
  15. Remove the frame. Refer to Frame Replacement.
  16. Remove the transmission mount. Refer to Transmission Front Mount Replacement or Transmission Rear Mount Replacement.
  17. Lower the vehicle.
  18. Lower the engine with the engine support fixture.
  19. Raise the vehicle.

    20. Object Number: 55090 Size: SH
  20. Remove the 11 transmission side cover bolts (3) or Studs (4) (model dependant).

    21. Notice: Pry on the corner of the case side cover near the locating dowel pins (45), to prevent damage to the sealing surfaces.

  21. Remove the transmission side cover (1).
  22. Remove the two side cover gaskets (5 and 6) and the side cover to driven support thrust washer (7). They may remain with the side cover. Only replace if necessary.

Installation Procedure

    Object Number: 20822 Size: SH
  1. If the seals were removed, thoroughly clean and dry the side cover seal grooves and the side cover seals.
  2. Install the side cover gaskets (5 and 6) into the grooves on the side cover (1).
  3. Retain the seals with J 36850 or equivalent.
  4. Install the side cover to drive sprocket thrust washer (7) onto the side cover.
  5. Retain the thrust washer with J 36850 or equivalent.

    6. Object Number: 474273 Size: SH
  6. Install the side cover assembly onto the transmission case.
  7. Install the 11 side cover bolts (3) or studs (4) (model dependent).

    8. Object Number: 474274 Size: SH
  8. Refer to the graphic in order to find the correct installation points of the bolts and the stud.

    9. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 58705 Size: SH
  9. Hand start the bolts.

    10. Tighten
    Tighten the side cover bolts and stud to 28 N·m (22 lb ft).

  10. Lower the vehicle.
  11. Raise the engine with the engine support fixture.
  12. Raise the vehicle.
  13. Install the transmission mount. Refer to Transmission Front Mount Replacement or Transmission Rear Mount Replacement.
  14. Install the frame. Refer to Frame Replacement.
  15. Install the power steering gear mounting bolts. Refer to Steering Gear Replacement.
  16. Install the wheel drive shaft to the transmission. Refer to Wheel Drive Shaft Replacement.
  17. Connect the left ball joint to the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement.
  18. Install the left inner fender liner. Refer to Front Fender Liner Replacement.
  19. Install the left front tire and wheel. Refer to Tire and Wheel Removal and Installation.
  20. Lower the vehicle.
  21. Remove the engine support fixture. Refer to Engine Support Fixture.

    22. Object Number: 893832 Size: SH
  22. Install the PNP switch. Refer to Park/Neutral Position Switch Replacement.

    23. Object Number: 893829 Size: SH
  23. Install the PNP switch lever and nut.

    24. Tighten
    Tighten the nut to 35 N·m (26 lb ft).


    Object Number: 494775 Size: SH
  24. Install the shift cable bracket.
  25. Connect the shift cable from the PNP switch.

    26. Object Number: 736049 Size: SH
  26. Install the underhood electrical center bracket.
  27. Install the underhood electrical center to the bracket.

    28. Object Number: 13340 Size: MH
  28. Install the air cleaner housing assembly. Refer to Air Cleaner Assembly Replacement.
  29. Fill the transmission. Refer to Transmission Fluid Check and Fluid Capacity Specifications.