Sierra 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
25. Position the control valve module on the work table so that shift valve body (1) is facing up.
26. Remove C ON/OFF shift solenoid retainer (2).
27. Remove C ON/OFF shift solenoid (5).
28. Remove O-rings (3) and (4) from C ON/OFF shift solenoid (5).
29. Remove eleven bolts (1) retaining the shift valve body and the main valve body together.
30. Position the control valve module on the work table so that the main valve body is facing up. Reinstall four bolts (1) so that the bolts are partially
threaded into the shift valve body and protrude from the main valve body.
31. Position the control valve module on edge so that the top and bottom are vertical.
32. Gently tap the bolts until the module separates.
