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Old 05-29-2015, 04:28 PM   #1
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Noises at 3k rpm

When my svt gets to 3000 rpm there's a spinning grinding type noise coming from the engine and it goes away around 3200-3500 rpm and it only occurs the moment you hit 3000. No matter if you are parked driving or whatever it can be heard at 3000 rpm every time and last until 3200-3500 and goes away. Anyone know what this might be?

edit: video added




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Old 05-29-2015, 06:02 PM   #2
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Open up the hood & run the motor up to 3000 & see if you can pin point it. Kind of funny it goes away above 3000, thou.
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Old 05-29-2015, 11:17 PM   #3
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ive tried to pinpoint it and cant figure it out. seems to come from the around the transmission area though but hard to tell
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Old 05-31-2015, 01:01 AM   #4
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any ideas anyone? ill try to get a video up soon
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Old 05-31-2015, 03:05 AM   #5
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Look at your mounts............could be a harmonic issue.
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Old 06-01-2015, 12:54 AM   #6
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didnt think about that, they are all three poly mounts. ill have to check that out, that actually sounds reasonable as to why only in a certain rpm
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Old 06-29-2015, 11:51 PM   #7
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from under the car it sounds like its coming from the intake area? its definitely in the rear of the engine though. it is not engine mounts, and also underneath the sound is way worse it honestly sounds like the engine could fall apart. i will have a video up as soon as it clears photobucket
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Old 06-30-2015, 04:33 AM   #8
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Harmonic means that the mount can fail to damp vibration that can then rattle parts all over the cars, back of engine is a very common place to seem to come from. If that, engine mount still often fixes it.

Could be something rattling at intake too.
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Old 06-30-2015, 05:03 AM   #9
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Most likely it's a exhaust shield rattling from breaking off it's mounts. It was a known issue back in the day and numerous SVT ended up at the dealer for a noise when all it was is the heat shield on the cats and exhaust rusting and breaking loose.
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Old 06-30-2015, 05:24 AM   #10
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X2 to that one.............
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