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Strange noise

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Old Nov 11, 2006 | 08:38 PM
  #1  
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From: Odessa
Strange noise

sometimes when i start the truck or when i am driving it. I hear a thump coming from above the left rear tire. It will last for about a few mintues and then it will go away. Anybody know what it could be? It is a 2002 Explorer with the 4.6l V8
 
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Old Nov 11, 2006 | 11:44 PM
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From: Odessa
please somebody help me out here.
 
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Old Nov 12, 2006 | 02:42 PM
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Maybe the exhaust is hitting against something?

Think you could try to be a little more descriptive? I know it's hard to translate sounds into text sometimes, but a "thump" can mean a lot of things.
 
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Old Nov 12, 2006 | 03:21 PM
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From: Odessa
its not the exhaust. it is coming from inside the panel but i dont know how to take it off. There are 4 pipe lines that go into whatever is making the noise. When it thumps it is almost at the same rate as a blinker.
 
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Old Nov 12, 2006 | 03:28 PM
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This may be silly but check to make sure the bottle jack is secure.
 
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Old Nov 12, 2006 | 04:10 PM
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Yeah I can't think of anything in that location that could do that.. strange
 
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Old Nov 12, 2006 | 08:42 PM
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well i had some other guys tell me that it could be the secondary airconditioning unit. what do you guys think?
 
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Old Nov 13, 2006 | 04:51 PM
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well i found out what the noise is, it makes the noise when i turn on the ac to the second and third rows. So what do you guys think is wrong with it?
 
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Old Nov 13, 2006 | 07:29 PM
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From: Odessa
ok, upon further inspection, i can hear the thumping but very softly when the back ac is off. But when i turn it on, it gets louder
 
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Old Nov 24, 2006 | 01:47 PM
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Sounds like the compressor
 
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Old Nov 24, 2006 | 04:29 PM
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Sounds like the same noise I have in my truck. I has something to do with the heater/air cond unit,air flow director. Has the same sound as the blend door problem, up front in other trucks. I opened up the side. (pain the a_ _ ), and did not have a fix for it. Just pulled the #20 fuse,(not sure,could be diff # fuse). Anyway, no noise. Just the Bride and myself in the truck.
 
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