Hum or whine noise condition from the rear differential at certain speeds

Bulletin number

24-DS-001G

Component

Power train

Summary

Certain GV70 (JK1 and JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a hum or whine noise condition from the rear differential at certain speeds. This bulletin describes the procedure to inspect the vehicle for the hum or whine noise and if necessary to tighten the rear differential lock nut first. If the hum or whine noise remains, then replace the rear differential or other driveline components as necessary.

Owners of these vehicles have filed 57 complaints in the transmission category.