Front Drive Axle Clutch Fork Inspection

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the carrier connector for damaged splines and teeth. Replace as required.
Inspect the shift fork for wear, scoring, and damage to the thrust surfaces. Replace as required.
Inspect the differential sleeve and the inner output shaft for damaged splines and teeth. Replace as required.
Inspect the damper spring for breakage. Replace or repair the damper spring as needed.
Inspect the differential actuator and the engagement switch for damage and frayed wiring.