Question about 2004 Ford Explorer

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Knocking noise when you accelerate. Not when sitting still

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  • m_gilvin Aug 03, 2010

    My ford explorer is making a knocking noise when the car is accelerating. It doesn't make this noise when sitting still. It seems to be on the drivers side.

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How many miles are on the vehicle? What kind of knocking noise? How loud is it. If you have the engine at a stop and in neutral and rev the engine up does it still knock? If it doesn't then it sounds like a possible axle issue. How long have you had this noise when accelerating. You should get it diagnosed and repaired by a qualified technician.
Thank you,
Lee

Posted on Aug 03, 2010

  • 6 more comments 
  • m_gilvin Aug 03, 2010

    It has 70,000 miles. It is not a loud noise. It is almost like a vibration. It does not knock when it is stopped or in neutral. I just had the car serviced two weeks ago and they supposedly fixed the axle because it was leaking.

  • Lee A.
    Lee A. Aug 03, 2010

    Did it make the noise when you brought it in to be serviced/repaired? If so I would take it back as the problem hasn't been fixed.There are a few possibilities at this point but it would require physical inspection to find out.


  • m_gilvin Aug 03, 2010

    No, I took it in just for it to be serviced before we went on vacation. Whe just got back from myrtle beach and we traveled over 1400 miles with no problems. Began having the problem last night. Someone mentioned bad gas. Could that be it?

  • Lee A.
    Lee A. Aug 03, 2010

    If you can rev the engine in neutral and it doesn't do it but only does it when you accelerate and is in the front driver side then it is more likely to be something with the front suspension/drivetrain.

  • m_gilvin Aug 03, 2010

    Thank you for your help. I guess I will just have to take it back in to be looked at.

  • Lee A.
    Lee A. Aug 03, 2010

    That is your best option. Please take a moment to accept/rate my solution. Also feel free to post back on how it goes.
    Thanks again,
    Lee


  • tazwhin naidu
    tazwhin naidu Mar 16, 2014

    it a mazda 323 1989 egi 2l 8v

  • tazwhin naidu
    tazwhin naidu Mar 16, 2014

    bearing knock howmuch do you think it will cost me

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Sounds like a rod bearing going bad, under engine load is when you would hear a bad rod bearing.

Posted on Aug 03, 2010

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