GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Omega VE 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Control Valve Body and Wiring Harness Removal

    Object Number: 1552913 Size: SH
  1. Remove all electrical connectors (1-6) from the electrical components.

    2. For Transmission with input speed sensor, disconnect electrical connector (7).


    Object Number: 405022 Size: SH
  2. Remove the torque converter clutch (TCC/PWM) pulse width modulation retainer clip (395).
  3. Remove the TCC/PWM solenoid (396).

    4. Object Number: 1552915 Size: SH
  4. Remove the TCC solenoid retaining bolts (68).

    5. Object Number: 1552916 Size: SH
  5. Remove the TCC solenoid and wiring harness (66). Turn the wiring harness over so that it hangs over the side of the transmission.

    6. Object Number: 829171 Size: SH
  6. Remove the transmission fluid pressure (TFP) manual valve position switch assembly retaining bolts (62, 70).
  7. Remove the TFP manual valve position switch (69).

    8. Object Number: 13263 Size: SH
  8. Remove the manual detent spring retaining bolt (64).
  9. Remove the manual detent spring assembly (63).

    10. Object Number: 1462820 Size: SH
  10. Remove all valve body retaining bolts (62).

    11. Object Number: 5449 Size: SH
  11. Lift the valve body carefully so that the checkballs remain on the spacer plate in the correct location. While lifting the valve body, disconnect the manual valve link (89) from the manual valve (340).

    12. Notice: Refer to General Repair Instructions in the Preface section.


    Object Number: 13132 Size: SH

    Important: Some models do not use a #5 ball check valve.

  12. Remove the 7 valve body ball check valves (2-6, 8, and 12).

    13. Object Number: 1220924 Size: SH
  13. Remove the accumulator cover retaining bolts (58, 59 or 117, 118).
  14. Remove the 1-2 accumulator cover and pin assembly (57) or 1-2 accumulator cover assembly (116), and gasket (114).

    15. Important: Some models may not use a 1-2 accumulator spring - inner (104) or outer (54).

  15. Disassemble the 1-2 accumulator assembly (54, 56, 57, 104).

    16. Object Number: 1283236 Size: SH
  16. Remove the spacer plate support retaining bolts (77).
  17. Remove the spacer plate support (53 or 113).

    18. Object Number: 1220932 Size: SH

    Important: Some models use a spacer plate (48) with bonded gasket material.

  18. Remove the valve body gasket (52), the valve body spacer plate (48) and the case gasket (47).

    19. Discard gaskets. Do not reuse.


    Object Number: 829176 Size: SH

    Important: Some models do not use a 3-4 accumulator spring (46).

  19. Remove the 3-4 accumulator spring (46) and the 3-4 accumulator piston (44).

    20. Notice: Refer to General Repair Instructions in the Preface section.


    Object Number: 5455 Size: SH
  20. Remove the #1 case ball check valve.