Chevrolet Trailblazer Service Manual page 412

7. Remove the transmission support from the frame.
8. Detach the transmission mount from the transmission.
9. Remove the front exhaust pipe from the vehicle.
10. Lower the transmission enough to gain access to the top of the transmission.
11. If equipped, remove the transfer case from the vehicle.
12. Remove the range selector cable from the bracket.
13. Detach the transmission heat shield from the transmission.
14. Disconnect the transmission vent hose from the transmission.
15. Detach the transmission harness from the transmission.
16. Detach the fuel line bracket from the left side of the transmission.
Torque converter access plug removal and installation
17. Remove the torque converter access plug from the transmission.
18. Mark the orientation of the flywheel and torque converter.
19. Remove the flywheel bolts from the torque converter.
20. Disconnect the transmission oil cooler lines from the transmission.