Question about 2004 Mitsubishi Endeavor

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04 Endeavor rattling noise

My endeavor has recently started making a rattling / pinging kind of noise when accellerating between 20 and 40 mph. It is NOT coming from the engine the noise sounds like it is coming from under the vehicle. It only makes this noise while driving. When I put it in neutral and rev the engine, there is NO rattle or ping noise. Is this an Exhaust issue (catalytic converter) a Transmission issue what? I don't believe this to be spark knock. Please Advise!!!

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  • 9 more comments 
  • karen_moua Jun 19, 2008

    I have the same problem too, please give some advises.

  • Anonymous Jul 04, 2008

    i have the exact same noise on my endeavor. sounds like its coming from below the truck. plus my service engine light wont go off

  • cren_23 Jul 19, 2008

    I have the exact same problem. Hopefully some one will give us a solution.

  • Anonymous Aug 04, 2008

    same issue - wtf do i do?

  • wsm540 Dec 08, 2008

    I have started having the same issue on my 2005. Any update on the cause?

  • wsm540 Dec 08, 2008

    I started having the same probelm a couple of weeks ago with my 05. Any solution/cause for this?

    Thanks

  • mchamilton Mar 28, 2009

    same ratteling noise and now it sounds like a scretching noise after 40 mph any answers?

  • Anonymous May 14, 2009

    I owned a 2004 Galant and now own a 2008 Endeavor and they both do this. It is annoying!! They told me on my car is was spark knock...and I haven't taken my endeavor in yet!!! Glad to know I am not the only one!

  • Anonymous Mar 15, 2014

    catalytic converter making a rattling noise inside when idled or driving below 25 MPH

  • Anonymous Mar 18, 2014

    2005 lancer sounds like it is pinging under load sitting on a constant speed no noise rev car in neutral no noise any ideas what it could be Thanks in advance

  • Anonymous Mar 21, 2014

    In neutral with engine running I've got the rattle noise that stop when I push gas pedal

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I had the same problem! I crawled underneath the car and discovered that a heat shield on the exhaust header pipe was corroded and rattling against the exhaust pipe. (Before the muffler)
I removed the portion and clamps and solved the problem. Give it a try.

Posted on Jul 21, 2008

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Problem solved.

Posted on Dec 27, 2008

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