2019-2020 Toyota Rav4 Abnormal Buzz/Groan Noise at 20 - 30 mph From Front Transfer Case T-SB-0019-20

MG

Moderator
*** This condition is now covered by a warranty extension for 10 years or 125,000 miles. Please see Customer Support Program 20TE03

So Toyota is really making us chase our tail on this one. This TSB T-SB-0019-20 Revision 2 is now OBSOLETE.
Please see T-SB-0065-21 for the latest information.




Please see T-SB-0019-20 Rev2

Applicability:
2019-2020 Toyota RAV4

REVISION NOTICE:
October 21, 2020 Rev2:
Applicability has been updated to include 2020 model year RAV4 vehicles.
The Parts Information, Production Change Information, and Warranty Information sections have been updated.
July 29, 2020 Rev1:
The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded.

SUPERSESSION NOTICE:
The information contained in this bulletin supersedes Service Bulletin No. T-SB-0065-19.
Production Change Information section has been updated. Service Bulletin No. T-SB-0065-19 is obsolete and any printed versions should be discarded.

Introduction:
Some 2019 – 2020 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.

NOTE:
This Service Bulletin ONLY applies to 2019 – 2020 model year RAV4 Adventure and Limited grade vehicles with torque vectoring AWD system.

APPLICABLE WARRANTY:
This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in this bulletin.


Repair Procedure:
1. Confirm the vehicle exhibits an abnormal buzz/groan noise from the front transfer case during one or both of the following conditions.
Driving at 20 – 30 mph when accelerating from a stop during AWD system disconnect timing.
Driving at 20 – 13 mph on deceleration during AWD system connect timing

Does the vehicle exhibit an abnormal buzz/groan noise from the front transfer case during one or both conditions described above?
YES — Review Figure 1 and Figure 2 (pgs. 6 and 7) and complete the rest of the Repair Procedure in this bulletin.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.


To see the repair procedure process, please check here...
 
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