GM Service Manual Online
For 1990-2009 cars only

    Object Number: 10503  Size: SH
  1. Use a small screwdriver in order to disconnect the wiring harness assembly (224) from the electrical connector (35) in the case.

  2. Object Number: 10505  Size: SH
  3. Use a small screwdriver in order to disconnect the wiring harness assembly at the following locations:
  4. • The 1-2 and 3-4 shift solenoid valve (315)
    • The 2-3 shift solenoid valve (315)
    • The TCC PWM solenoid valve (325)
    • The TCC apply solenoid valve (315)
    • The TFT sensor (391) located on the case cover or on the spacer plate
    • The wiring harness clip
  5. Remove the wiring harness assembly (224).