DEFINITION: During acceleration or underload, the transfer case jumps out of gear.

Review the Symptoms - Transfer Case and perform the necessary inspections.

Shift linkage worn

Inspect the shift linkage for correct adjustment or for being worn. Refer to Transfer Case Disassemble in Transfer Case - NVG 263-NP1 Unit Repair.

Melted fork pads

Replace the fork pads or other damaged components. Refer to Transfer Case Disassemble in Transfer Case - NVG 263-NP1 Unit Repair.

Faulty high speed teeth on range sleeve

Inspect the planetary carrier high speed teeth for damage.

Replace the range sleeve if the teeth are faulty. Refer to Transfer Case Disassemble in Transfer Case - NVG 263-NP1 Unit Repair.

Faulty range fork

Inspect the range fork for damage and replace the range fork if it is damaged.

Range fork bushing and springs

Inspect the range fork springs for being faulty. Refer to Transfer Case Cleaning and Inspection in Transfer Case - NVG 263-NP1 Unit Repair.

Inspect the range fork shaft bushing for wear. Refer to Transfer Case Cleaning and Inspection in Transfer Case - NVG 263-NP1 Unit Repair.

Synchronizer clutch gear

Inspect the synchronizer clutch gear for worn teeth. Replace the synchronizer clutch gear if faulty. Refer to Transfer Case Cleaning and Inspection in Transfer Case - NVG 263-NP1 Unit Repair.