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  1. Problems, Maintenance, and Repair (Gen 2)
    Does anyone know where the breather vent is located on the Transfer Case? I am not referring to the weep hole on the right axle housing that is situated between two seals. The transfer case needs a way to equalize the air pressure inside the TC with the outside air. Otherwise gear oil can be...
  2. Problems, Maintenance, and Repair (Gen 2)
    Hello folks, Transfer case recently failed on my 2005 sienna w/ 225k. Seems like its replaceable without pulling the tranny with some hacksaw and long extension work from what I can find. Any advice it appreciated on that matter. Mostly looking for anyone that has had success with rebuilt...
  3. Problems, Maintenance, and Repair (Gen 2)
    We have a 2006 Toyota Sienna with 175000 miles on it. At the end of last week, it failed at the end of a road trip and needed to get towed to a shop. The diagnosis is that the transfer case needs replacement. Our mechanic (who I trust) has suggested that we replace the transmission at the same...
  4. Problems, Maintenance, and Repair (Gen 2)
    Links: https://toyota.oemdtc.com/TSB/T-SB-0138-10.pdf http://www.stevesalt.com/toyota-0138-10-tsb-transfer-case-inner-seal-highlander-sienna-rav4-2/ (this guy loosened all tranny bolts which would take a bit more effort) Toyota TSB 0138-10 Transfer case gear oil or transmission fluid seepage...
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