Toyota RAV4 2006–2012 — technical service bulletin
Bulletin ZF4-WPB POL15-04 · NHTSA communication 10152282 · issued Dec 3, 2015
Technical service bulletin
communication type
Power Train
component
2006–2012
model years
7
vehicle entries
Official summary
WPB: In certain 2006 to 2012 model year Rav4 4WD vehicles, Toyota has received some reports where the vehicle may exhibit a growl type noise from the rear differential coupling when driving as a result of contamination to the front bearing.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.