Question about 2003 Ford Explorer

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Knocking inside left rear panel

What would cause a rhythmic knocking noise that sounds like it's located inside the left rear panel of the car? Noise stops when car is off or when key is in the auxiliary position, starts as soon as the battery turns on or the car is running. Noise rhythm does not change with speed - the car can be at a complete stop and noise is still there.

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  • jacktimor Dec 16, 2008

    I have the same clunking noise. It is there whether the car is moving or not. It gets louder if the rear fan is turned on. Did you ever find out what the problem was?

  • AshYaz Mar 06, 2009

    I too have a 2003 explorer. The noise stopped coming within an hour first nearly three months ago. But it has restarted again nearly two weeks ago and I am dreading going to the Ford workshop in Dubai.



    I opend the small panel on the rear left but couldnt see where the sound was coming from as it is just below the lock switch.



    Can any one help

  • Anonymous Mar 29, 2014

    Knocking noise when turning

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It is possible that this may be your electronic fuel pump cycling on off to maintain fuel pressure. It may be an indication that the fuel pump is on its way out.... Have you done a trouble shoot with an auto manual specific for your Explorer yet? There should be a process of elimination guide or chart to help isolate the problem.

Hope that helps...=)
patrick

Posted on Sep 07, 2008

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Hello,does this noise go away when you turn off the a/c?If it does,it is most likely your a/c mode control accuator.This causes a clicking noise when the a/c is turned on,or if your a/c switch is always on,as soon as you turn the key forward to the run position.

Posted on Sep 24, 2008

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Rate me good ;o)

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