![Car is making a rattling sound on start up and acceleration, checked under the car and saw this. Anyone have any idea what it is? Is it serious enough to not drive Car is making a rattling sound on start up and acceleration, checked under the car and saw this. Anyone have any idea what it is? Is it serious enough to not drive](https://preview.redd.it/2302ds11e9n71.jpg?width=640&crop=smart&auto=webp&s=ab50bbe191fd4f7297e72fd05faefc6c632ed302)
Car is making a rattling sound on start up and acceleration, checked under the car and saw this. Anyone have any idea what it is? Is it serious enough to not drive
![Weird rattle noise on acceleration at certain rpm ranges only when driving not in neutral. More info below in comments : r/350z Weird rattle noise on acceleration at certain rpm ranges only when driving not in neutral. More info below in comments : r/350z](https://external-preview.redd.it/m1KH3ziahZ_Zl6FBIvuCM4aB59yZQFadkbzb68Tc56w.png?format=pjpg&auto=webp&s=3523bdd8728db16b1c4eeb574cfd67e6311e8025)
Weird rattle noise on acceleration at certain rpm ranges only when driving not in neutral. More info below in comments : r/350z
![2008 Auris 1.6 vvti engine rattle under acceleration - Auris Club - Toyota Owners Club - Toyota Forum 2008 Auris 1.6 vvti engine rattle under acceleration - Auris Club - Toyota Owners Club - Toyota Forum](https://toyotaowners.b-cdn.net/uploads/monthly_2022_10/1648464914_Screenshot_2021-02-08-15-04-11-559_com.google.android_apps.photos3.thumb.jpg.db27811c6d00c32b08eaa5d32741c097.jpg)
2008 Auris 1.6 vvti engine rattle under acceleration - Auris Club - Toyota Owners Club - Toyota Forum
![a) Vertical acceleration of the driver; (b) rattle space of the front... | Download Scientific Diagram a) Vertical acceleration of the driver; (b) rattle space of the front... | Download Scientific Diagram](https://www.researchgate.net/publication/297838647/figure/fig5/AS:338714271207428@1457767183609/a-Vertical-acceleration-of-the-driver-b-rattle-space-of-the-front-right-wheel-and.png)
a) Vertical acceleration of the driver; (b) rattle space of the front... | Download Scientific Diagram
![Rattling noise at acceleration only! Only starts after about 20mins of driving. I've checked me heat shields and all exhaust mounting. Thinking bad prop shaft? Any ideas??? Sorry for wind noise, but Rattling noise at acceleration only! Only starts after about 20mins of driving. I've checked me heat shields and all exhaust mounting. Thinking bad prop shaft? Any ideas??? Sorry for wind noise, but](https://external-preview.redd.it/mi2ySuC3Je3i1NwVlABi1m_m_FWr2VvJBqe71AAGUOs.png?width=640&crop=smart&format=pjpg&auto=webp&s=494525cd76b4983ecb91abfcf0cf5e7201a17cc2)