Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
6. Remove the solenoid bolts.
7. Separate the solenoid from the housing and unhook the solenoid plunger (2) from the drive gear lever (1).
8. Note that the spring (3) is positioned against the drive gear lever (1) and the drive gear lever is placed inside the solenoid plunger loop (2).