2006 Dodge Magnum

Tiny
NYKING12
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No its not but I dont see anything leaking, but im so lost with the noise the dealer has the car and they say they cant hear the noise but my question is why does it start makiing the noise only when the engine is warmed up all the way but then disappers and no code is being thrown.
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Thursday, January 22nd, 2009 AT 6:37 PM
Tiny
KEVIN12881
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"no its not" is that not powered by belt, or not the problem. It does not have to leak for the bearings to be bad, though it should. Your noice is truely baffling. The dealer should be able to find it. Hey. Could it be one of the fans? You said it comes with temp, then goes away after driving. Engine could cool with wind turning fans to opperate off clutch only. I will keep throwing ideas at you until they get stupider and stupider and we finally find the issue, or the dealer does and charges you out the wazzoo
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Thursday, January 22nd, 2009 AT 6:45 PM
Tiny
NYKING12
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I dont have a clutch its automatic, but the car drives fine so I dont know, its really annoting but since ive had the noise for 2 months shouldnt something have broken by now if it was mechanical and if it was a bearing shouldnt it make the noise all the time.
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Thursday, January 22nd, 2009 AT 6:54 PM
Tiny
NYKING12
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I mean the noise does sound like a bad bearing but im wondering if it could be the exhaust. But if it was a cyclinder wouldnt it throw a code I mean I remeber when I replaced my spark plugs and I put one in wrong it threw a code it 3 minutes saying a misfire so.
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Thursday, January 22nd, 2009 AT 6:56 PM
Tiny
KEVIN12881
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Not sure on the pump bearing. By clutch I mean the fan's ability to turn with the motor off. If it is your fans making the noice, then you would have no problems as long as they did not quite, then your car would overheat. Remember we are trying to think way outside the box. Your engine is young and we hope it is ok, noices are real hard to diagnos, even harder than electric over the internet. My fan idea may hold water, I was hopping a pro would commit. The dealers not hearing it does not surprise me. They may not let it run long enough. Let me think some more on this one.
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Thursday, January 22nd, 2009 AT 6:59 PM
Tiny
KEVIN12881
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I have on oldsmobile with an exhaust noice that comes with RPMs, but it comes with RPMs at any temp and when you have an exhaust noice, you ussually know it. By the way check everything except my spelling
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Thursday, January 22nd, 2009 AT 7:02 PM
Tiny
NYKING12
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So im not sure what to do cause I cant figure it out and neither can the dealer
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Thursday, January 22nd, 2009 AT 7:05 PM
Tiny
KEVIN12881
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Ok. When it goes away, does it go away for good, or come back at idle? And by idle I mean letting it sit and run for 10 minutes or so
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Thursday, January 22nd, 2009 AT 7:07 PM
Tiny
NYKING12
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Most of the time it dosent come back but sometimes it does but when it does come back it only does when im driving. If I park it for a couple of hours and then when it warms back up it makes the noise for a while and disapperas as usual
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Thursday, January 22nd, 2009 AT 7:09 PM
Tiny
KEVIN12881
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Well you could check and see if the noise is consistant ith the fans being on. Other than that look for any other possible patterns. I will talk to a few mechanics I kno and see what I can learn.
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Thursday, January 22nd, 2009 AT 7:53 PM
Tiny
NYKING12
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Yeah but I know it makes the noise as soon the temp gauge hits the line before the middle so I dont know, but it only makes the noise when I hit the gas pedal never when just ideling without me hitting the gas pedal.
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Thursday, January 22nd, 2009 AT 8:51 PM
Tiny
2CARPRO JACK
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Possible coolant flow through the heater core changing when the t-stat opens. This is a strange one, Id love to hear it in real life. Im looking for the temp relation to the noise as well
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Friday, January 23rd, 2009 AT 7:15 AM
Tiny
NYKING12
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I still cant figure it out and its driving me crazy lol.
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Saturday, January 24th, 2009 AT 3:31 PM
Tiny
2CARPRO JACK
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It would be nice to see if at that spot on the temp gauge is when the PCM goes into closed loop. The mixture changes at that point, could be engine or exhaust related
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Sunday, January 25th, 2009 AT 8:49 AM
Tiny
NYKING12
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Well I have had this noise for 2 months, if it was enginge related wouldnt the engine have broken or thrown a code by now?
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Sunday, January 25th, 2009 AT 9:35 AM
Tiny
2CARPRO JACK
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Some things wont throw codes, due to being mechanical in nature or just a harmonic. If it doesnt directly harm the way the engine runs it wont set any codes
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Sunday, January 25th, 2009 AT 2:52 PM
Tiny
NYKING12
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So if it was that will anything break at somepoint if it is harmonic?
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Sunday, January 25th, 2009 AT 3:02 PM
Tiny
2CARPRO JACK
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Hard to say without knowing what it is. You may be onto something with the exhaust, but honestly without hearing it, this will be very difficult to diagnose
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Sunday, January 25th, 2009 AT 3:03 PM
Tiny
NYKING12
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Lets say it where to be the exhaust, then why does it only make the noise onece it is warmed up?
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Sunday, January 25th, 2009 AT 3:54 PM
Tiny
JAMES W.
  • MECHANIC
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Nyking12 may have a good explaination for your noise. Not saying the exhaust is the problem, but it makes sense. Years ago, GM used a "double wall" pipe for the exhaust from the exhaust manifolds to the muffler. This system was 2 pipes, one inside the other. Over time, with the constant heating and cooling, heating and cooling, the outer pipe would actually crush ine inner pipe to the point where it acted like a plugged cat. Converter. Not that this is your problem, but it gives you an idea as to what affect temp change can have on the exhaust system. Do you hear any of this noise out the tailpipe? If not, it may be up closer to the exhaust manifold, or coming from the exhaust manifold itself. Just an idea.
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Sunday, January 25th, 2009 AT 6:35 PM

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