Rear differential pinion seal replaced. Could see fluid blowback upon inspection 3 months earlier; subsequent visit showed it to be quite wet. Sign of a problem applies, but there were no non-visual/mechanical symptoms.
56000 mi
Tsb for whine around 40 mph. Transmission replaced under warranty.
Loud whine from hybrid drive train under light load, speeds 35 to 50 mph. Dealer acknowledges noise but says it is not sufficient to warrant repair. Pursuing with Toyota national now.
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