TSB: REVISION NOTICE December 23, 2019 Rev2: ? The Production Change Information section has been updated. November 20, 2019 Rev1:
? The Introduction, Production Change Information, and Repair Procedure sections have been updated. Any previous printed versions of this bulletin should be discarded. Some 2019 model year RAV4 Adventure and Limited grade AWD vehicles may exhibit an abnormal buzz/groan noise from the front transfer case at 20 ? 30 mph when accelerating from a stop and/or at 20 ? 13 mph on deceleration after driving the vehicle for 15 ? 20 minutes or more. This condition occurs with Normal drive mode selected during disconnect/connect timing of the AWD system. Follow the Repair Procedure in this bulletin to address this condition.
