My 2004 Toyota Yaris with automatic transmission makes a ratteling noise at a very specific RPM range as can be heard in this video I made with my phone: https://www.youtube.com/watch?v=Q_s-Jx7_MYk

I'm not sure when exactly, but it seems to happen in 2nd and 3rd gear at around 3500 - 4000 RPM. I've also heard this noise when driving uphill in a parking garage in 1st gear. It doesn't make the noise when the car is in neutral, in park or when reversing. My best guess is that the noise is caused by a worn-out bearing inside the gearbox.

What causes this noise? And is it worth fixing considering the risk of not fixing it and the value of my car which is about €800,-

  • 4
    It's pretty unlikely it's the transmission, more likely you have a heat shield, guard or something else rattling at certain rpm.
    – GdD
    Oct 6 '20 at 11:14
  • @GdD, it doesn't make this noise when the car is in neutral. Only when it is in gear.
    – user60481
    Oct 6 '20 at 11:18
  • 2
    That's not uncommon with rattles @KrijnToet, when you put the car in gear you change the loads on many parts of the car.
    – GdD
    Oct 6 '20 at 11:21

I checked the clip and this sounds like dashboard rattle, tap and hold around the dashboard and you will find it. Once had similar rattle turned out it was from seat belt locking mechanism on the passenger seat. Definitely not a transmission rattle.

  • That would be awesome if it's just a minor thing. Thanks, I'll try
    – user60481
    Oct 7 '20 at 15:39
  • @Krijn Toet was I right?
    – AsenM
    Oct 16 '20 at 15:48
  • I asked a Toyota mechanic. They said it could be many things, probably not something in the interior, but not the transmission either. I'll investigate it when I get the time, but for now I accepted your answer as it was the most useful 😉
    – user60481
    Oct 16 '20 at 20:44

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