Rattle when accelerating Audi A4 B8 2010
Hi all, I have an Audi A4 1.8TFSI 2010, which has 150,000 km at present. I'm from Guadalajara, Mexico.
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Some time ago, I heard a rattle (CLA CLA CLA) when I accelerate; hot or cold, standing on P, N, or D, more or less between 1500 and 2000 RPM. I carried it to a workshop where they diagnosed that was DMF damaged. So I bought it, approximate cost of 850 dls. They changed it and surprise! it was not, or at least that the part was deffective, but is very rare because I bought the piece at the official dealer.
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A few days ago, I carried my car to a transimission specialist workshop, where they made some tests and they detected what I show in this video:
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https://www.dropbox.com/s/46aw5aekq6...11526.mp4?dl=0
https://goo.gl/photos/1vZm2A89Ak4Kbknr5
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What's going on? apparently the rattle is between the transmission and the engine (I'm confused by all converge in the same area), but we tested disconnecting the coils, and precisely when the 4th coil is disconnected, the noise stops listening. The noise seems to stick iron with iron. So I don't know if the problem is the cylinder piston, bearings or something.
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Can anybody help me?
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