Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Toyota for this TSB. Call your local Toyota dealer's service department & ask for a copy of TSB# ZF4_DEALER 12/3.
Affected Component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
"DL: IN OUR CONTINUING EFFORTS TO HELP ENSURE THE BEST IN CUSTOMER SATISFACTION, TOYOTA IS ANNOUNCING A WARRANTY ENHANCEMENT PROGRAM TO EXTEND THE WARRANTY COVERAGE FOR REAR DIFFERENTIAL COUPLING GROWL NOISE ON 2006-2012 MODEL YEAR RAV4 4WD VEHICLES.
IN SOME OF THESE VEHICLES, TOYOTA HAS RECEIVED SOME REPORTS THAT THE VEHICLE MAY EXHIBIT A GROWL TYPE NOISE FROM THE REAR DIFFERENTIAL COUPLING WHEN DRIVING DUE TO CONTAMINATION OF THE FRONT BEARING.
ALTHOUGH THE REAR DIFFERENTIAL ASSEMBLY IS COVERED BY TOYOTAÂ’S NEW VEHICLE LIMITED POWERTRAIN WARRANTY FOR 5 YEARS OR 60,000 MILES (WHICHEVER OCCURS FIRST), WE AT TOYOTA CARE ABOUT OUR CUSTOMERSÂ’ OWNERSHIP EXPERIENCE. TOYOTA IS NOW EXTENDING THE WARRANTY COVERAGE FOR REAR DIFFERENTIAL COUPLING GROWL NOISE IN THE COVERED VEHICLES. PLEASE SEE THE WARRANTY ENHANCEMENT PROGRAM DETAILS FOR ADDITIONAL INFORMATION.
THE FOLLOWING INFORMATION IS PROVIDED TO INFORM YOU AND YOUR STAFF OF THE PROGRAM NOTIFICATION SCHEDULE AND YOUR DEGREE OF INVOLVEMENT."
