Ford Focus Forum, Ford Focus ST Forum - View Single Post - Weird noise when driving after fist turning on car
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Old 03-06-2013, 04:56 AM   #3
amc49
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Join Date: Mar 2012
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Location: Fort Worth, TX
What I Drive: 00 wagon, 02 sedan both zetec atx

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Could be something weird like heatshields under car rattling if it sounds like a light rattle, my much earlier models both do it, and irritating as heck. I've rebent sections of the shield to move the quality of the noise around but it won't totally stop. Only does it in like the first minute of operation, thinking the same motor mount issues that cause other vibrations may contribute to that too since they disappear at about the same time as the mounts warm up. There for a while I'da sworn it was a light rod knock but moving the shields affected it and changed it enough so that it became clear the noise not from the motor per se. At least in my case...............
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