Question about 2007 Nissan Altima 3.5 Sedan

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Unusual ping noise

I have a 2007 Altima. I can hear an unusual ping or knock, (always one ping) seems like it's coming from under the car, I can slightly feel it when my hand is on the gear sift, while the car is idled, example: like at a stop light. But not every time when idled. Maybe at two out of six stop lights. What do think it might be?

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  • blackangel68 Jul 30, 2008

    I purchased my 07 Altima on 7/18/08 approx. 2 days later i began hearing a pop/ping sound coming from the front of the vehicle, so I took it to Nissan. At first they could not reproduce the sound, so I explained that my car needed to be driven and then parked and turned of, after about 1-2 minutes you could hear the sound. 10 days later and after going back to Nissan almost everyday they say its the heat shield and its being replaced tomorrow. Hope this helps and I hope this corrects my problem.

  • ken24601 Oct 17, 2008

    I have the EXACT same problem and have for a few months. It's usually at idle, but sometimes at low speeds, and I can feel it in the gearshift. My heatshield was replaced as part of the recall over the summer. Anyone have any ideas?

  • Anonymous Oct 20, 2008

    I have the exact same problem!  I can even hear the ping once I turn the car off.  Haven't had any luck figuring out what causes it.

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I have heard the same thing in my '07 Altima 2.5 S. I asked a mechanic @ the local dealer, and he said he doesn't know what it is and couldn't get the car to make the noise when he drove it.

Posted on Jul 13, 2008

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