Yaris lower engine noise- any ideas?

[Exiwolfman]

Originally Posted by sheekeebut

Does it make a ticking noise at every half engine revolution (~4 ticks per second at around 600 rpm), and only on idle?

If so, you've got the same problem as me.

That sounds normal ...mine does it too ,they all do it lol
The sound in vid sounds to me like a water pump bearing on its way out .

sent from my S4 on Mars