cduluk Posted June 28, 2009 Share Posted June 28, 2009 Hey guys/gals. This is my first Rx400h so i'm not sure if this is normal or not. I notice that every time i turn the car off after a short or long trip, i hear several noises coming from the engine compartment. There will be a series of whines, ticks etc, just "interesting" noises. They are present whether i've had the AC on or off as well. I've never heard these types of noises in the standard gas powered car. I'm not talking about the 'ticking' from the hot engine any gas powered car makes while cooling, these noises are definitely different. Just wanted to see if anyone else's makes noises after being turned off? It's a 2008 AWD Rx400h with 43k miles, no accident history, still under warranty. I would bring it to the dealer about the noises, but if they're normal i don't want to look like an idiot lol. Thanks! Quote Link to comment Share on other sites More sharing options...
richard4u Posted June 28, 2009 Share Posted June 28, 2009 hi CD - i have a 2007 rx400h bought new in 07 - yes there are some noises like when you open the door from outside it makes some kind of whirring sound. there are several other electronic sounds that come on - these are all normal - when turned off there are several interesting sounds it makes - i would not call them noises but pleasant reminders that you are driving a hybrid !!!! Quote Link to comment Share on other sites More sharing options...
RX400h Posted June 28, 2009 Share Posted June 28, 2009 ....same here - whirrs and clicks that are perfectly normal. Just try not to say anything in a derogatory manner when you are near the vehicle. It WILL get you back the next time you give it a voice command! :D Quote Link to comment Share on other sites More sharing options...
cduluk Posted June 29, 2009 Author Share Posted June 29, 2009 haha :P I'm glad i'm not the only one noticing these noises, it was freaking me out! I wonder what's causing these noises? obv something to do with the hybrid system i guess...? Quote Link to comment Share on other sites More sharing options...
08rx400h Posted June 29, 2009 Share Posted June 29, 2009 It exlained in the manual that after engine turned off, it will purge the gas line, that's the sound you hear. Perhaps this PDF helps you understand more about the 400h, I downloaded it from Lexus website. rxh_driving_performance_guide.pdf Quote Link to comment Share on other sites More sharing options...
cduluk Posted June 29, 2009 Author Share Posted June 29, 2009 Thanks! There's a lot of info there. Quote Link to comment Share on other sites More sharing options...
SW03ES Posted June 30, 2009 Share Posted June 30, 2009 The Prius makes a bunch of weird noises too...there are definately hybrid-specific noises... Quote Link to comment Share on other sites More sharing options...
RXREY Posted June 30, 2009 Share Posted June 30, 2009 Mine makes those noises afterward and also when I start my car...is this normal as well? I figure that it is. Rey Quote Link to comment Share on other sites More sharing options...
cduluk Posted July 1, 2009 Author Share Posted July 1, 2009 Yeah, the same type of noises come on after it's started too. Even if the car's off and i open a door, the thing makes a noise... Very odd. Quote Link to comment Share on other sites More sharing options...
08rx400h Posted July 2, 2009 Share Posted July 2, 2009 There's that noise only when you open driver's side front door when the engine is totally off. There's no noise at all if you open any of the other three doors. I am gussing the 400h senses the driver's door is opened, and tries to get the hybrid system ready. I am planning to test drive the new 450h, I will try to see if it does the same thing. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.