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Strange Engine Rattle when Cold

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Old 11-15-2010, 05:26 AM
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Default Strange Engine Rattle when Cold

Hey guys,

I have noticed the last two days a little rattle from the inside the engine. I thought it was somthing hitting one of the pulleys but everything looks ok. This only occurs when the engine is cold. After 5 minutes, it goes away it seems.

If I turn on the car and just let it Idle, it doesnt make the noise. It starts to make the noise after I start to drive off and hit around 2-4k rpms. Its so loud that from inside the car, you hear from what it seems like something just bouncing around. The faster I accelerate, the louder/more rapid it would get.

I remember hearing a similar thing a while back but it wasnt as loud. Also I just created a cai for my turbo so it might be that the intake was muffling the sound before.Once the car is warm, 5 min, the car sounds perfect. NO issues whats so ever.

Doing searches, the only thing I found related to what I had was a TCT issue or piston slap. I couldnt find anything else. But when I heard the TCT on youtube, it doesnt seem to be that. Again the car is running perfect once it warms up, its just does this when I accelerate when its cold.

Here is a vid link of it after being on for 1-2 min. My injectors are pretty loud but when I start to accelerate, you hear what im saying.

Link:
[media]http://www.youtube.com/watch?v=F5RpVFO_FU8 [/media]

Thanks for any help..
Old 11-15-2010, 05:47 AM
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TCT ?
Old 11-15-2010, 05:53 AM
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Thats what I first thought especially since I had to mess with it when I was installing my turbo, but it doesnt sould like others which have had that tct failure. Normally it soulds like a card hitting a bike spoke. Unless this is how it starts and then gets worse from there.
Old 11-15-2010, 06:14 AM
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that sure doesnt sound like a TCT.
Old 11-15-2010, 06:24 AM
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That is odd for sure. Not sure I know what is. Hopefully Billman comes in and can help you out!
Old 11-15-2010, 06:25 AM
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Can it be piston slap? What other things might make noise when the car is cold..
Old 11-15-2010, 04:07 PM
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thats a serious issue that need to be fixed asap. i dont know what it is.

you getting any CEL?
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