Locking Rear Axle Locks in Turns

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Action
The governor assembly is tight in the case	Free up the governor assembly. Locking Differential Disassemble (10.5 Inch Axle) , or Locking Differential Disassemble (9.5 Inch Axle) , Locking Differential Assemble (9.5 Inch Axle) , or Locking Differential Assemble (10.5 Inch Axle)
Broken or weak governor flyweight spring	Replace the governor assembly and the latching bracket. Locking Differential Disassemble (10.5 Inch Axle) , or Locking Differential Disassemble (9.5 Inch Axle) , Locking Differential Assemble (9.5 Inch Axle) , or Locking Differential Assemble (10.5 Inch Axle)
The flyweight in the governor assembly is stuck open	Replace the governor assembly and the latching bracket. Locking Differential Disassemble (10.5 Inch Axle) , or Locking Differential Disassemble (9.5 Inch Axle) , Locking Differential Assemble (9.5 Inch Axle) , or Locking Differential Assemble (10.5 Inch Axle)
The cam plate or the governor drive teeth are broken	Replace the cam plate, the governor assembly, and the latching bracket. Refer to the following: Locking Differential Disassemble (10.5 Inch Axle) , or Locking Differential Disassemble (9.5 Inch Axle) Locking Differential Cam Unit Disassemble (9.5 Inch Axle) , or Locking Differential Cam Unit Disassemble (10.5 Inch Axle) Locking Differential Cleaning and Inspection Locking Differential Cam Unit Assemble (9.5 Inch Axle) , or Locking Differential Cam Unit Assemble (10.5 Inch Axle) Locking Differential Adjustment (9.5 LD Inch Axles) , or Locking Differential Adjustment (10.5 Inch Axle) Locking Differential Assemble (9.5 Inch Axle) , or Locking Differential Assemble (10.5 Inch Axle)