2015 nissan altima Can anyone help me to identify this intermittent metal sound ...almost as if someone was sticking a card in a metal fan or spinning spoke. i searched youtube & found a guy with exact same sound. It happens when driving intermittently. I have a video of exactly what happens ...the sound anyway.. its on youtube. I will provide the link. block out the wind. its that other sound. 1st link Nissan Altima 2.5s making weird metal noise" on YouTube https://youtu.be/jirs67-F_Yo

the 2nd link is a pic with the sounds. please help if u can. https://youtu.be/eiGfK4yuqLQ

thank you in advance for your help. I have no one to go to for help so will try to learn from youtube if it can be diagnosed.

  • Can you check all your fluids (oil, coolant, transmission fluid), and confirm those are all to normal levels?
    – Cullub
    Commented Jun 14, 2019 at 0:38
  • Cullub I can do that tomorrow. But all should be good but I will make sure. You think that could be making that sound? I never heard it before. Were you able to get a good listen? its embarrassing. Thank you btw.
    – Minnie
    Commented Jun 14, 2019 at 2:49
  • I did get a chance to listen to that video -- strange! The only thing I can think though is something related to the engine or transmission, and fluids is the quickest and easiest thing to check.
    – Cullub
    Commented Jun 14, 2019 at 2:51
  • I will definitely check fluids tomorrow. & that first video has the best capture of the sound. It's weird.
    – Minnie
    Commented Jun 14, 2019 at 4:35
  • fluids are full. I'm starting to think it's a heat shield. I found more videos with the exact same sound & that was all of there problems.
    – Minnie
    Commented Jun 15, 2019 at 11:07

2 Answers 2


ok, so a clamp came loose & that's what is was. it was cracked and that's what caused the rattle. Thank you for your help Cullub. 😊


I was going to suggest a possible loosening of a heat shield or exhaust.

  • that is exactly what it was. easy peasy. 😊😊😊
    – Minnie
    Commented Jun 17, 2019 at 14:41

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