vimal01997

I don't know if this is normal, but my ES350making a (not loud) whirring noise only in reverse. I'm not sure if this is normal. Anyone?

MrlexEd88

the transmission has straight cut gears for reverse...

vimal01997

I get that you're saying it may be normal but I don't think this is; it never made this noise before until now

Arty101

If it bothers you, bring it back to the dealer. If there's a problem later, you've already got it recorded.

MrlexEd88

You probably never notice it due to many reasons such as music playing and now it's on your mind and concerned so you notice it every time now. But the next time you're in Reserve you shouldn't notice anything if you're sitting still and the sound should get louder the faster you go. Straight cut gears are very noisy. If not take it to the dealer to top off your blinker fluid (; and check your concern of course