2001 ram 5.9mag rattle/cracking noise and black smoke at high rpm - DodgeForum.com


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2001 ram 5.9mag rattle/cracking noise and black smoke at high rpm

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Old 06-30-2014, 10:21 PM
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Default 2001 ram 5.9mag rattle/cracking noise and black smoke at high rpm

Hey I'm new to the forum I drive a 2001 dodge ram sport with the 5.9 magnun. At high rpms so 3500+ it starts making a loud rattle/cracking noise and as soon as the sound starts I can see black smoke. I have had the timing chain replaced very recently so that should not be the problem I'm not sure what it is. And help would be good.
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Old 06-30-2014, 10:28 PM
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Black, or blue? Have you fixed your plenum yet? Does it sound like marbles in a tin can?
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Old 07-01-2014, 01:05 AM
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It's definitely black. No I haven't fixed it yet but it's on my list. Not really it's kind of a harsh sound like something snapping. Idk if it could be the lifters or the valves or something. Iv heard the valve springs are terrible on these years
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Old 07-01-2014, 11:06 AM
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Black indicates running rich. Could be a sensor problem..... Not sure on the noise, could you post a video, with audio?
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Old 07-01-2014, 03:12 PM
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I will try and take a video
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Old 07-01-2014, 08:17 PM
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It's not letting me upload it. I'll try later on a different computer. But it guess it could sound like marble in a can
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Old 07-02-2014, 09:21 AM
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Upload your video to someplace like photobucket, or imageshack. You get SERIOUSLY limited space here for attachments.
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Old 07-02-2014, 06:28 PM
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http://s1373.photobucket.com/user/Ko...969bb.mp4.html. here's the link to the video. It is louder than this sometimes
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Old 07-02-2014, 07:12 PM
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Maybe its just me, (or, my sound card, or, my speakers....) but, I don't hear anything wrong there?
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Old 07-02-2014, 07:55 PM
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Noise starts around 2 seconds in, sounds like a can of marbles. Need the speakers turned up a bit to hear it.
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