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<blockquote data-quote="suomi08" data-source="post: 401028" data-attributes="member: 149400"><p>a couple months ago this noise started coming from my car upon cold starts(most the time), sometimes after it has been running. my car is a 91 toyota corolla, it&#039;s been making this whining noise ever since i changed all the vacuum hoses. the new hoses were the same, just newer. i&#039;m a mechanic, so i&#039;m sure it&#039;s not the hoses, but the whinig noise gets higher and higher according to how high the rpm&#039;s get. and sometimes i turn the car off, start it back up, and the noise is gone. it sounds like a bearing, i&#039;m almost sure of it. like a bearing not getting lubricated. and today i was on the freeway and the noise just started while going about 60mph, and i saw a tiny bit of white smoke come up from under the hood, so i turned the car off, coasting, started it back up, and it stopped. it does burn a lot of oil but the pcv line isn&#039;t clogged. it could be crankcase gasses coming out somewhere, i&#039;m not quite sure.</p></blockquote><p></p>

[QUOTE="suomi08, post: 401028, member: 149400"] a couple months ago this noise started coming from my car upon cold starts(most the time), sometimes after it has been running. my car is a 91 toyota corolla, it's been making this whining noise ever since i changed all the vacuum hoses. the new hoses were the same, just newer. i'm a mechanic, so i'm sure it's not the hoses, but the whinig noise gets higher and higher according to how high the rpm's get. and sometimes i turn the car off, start it back up, and the noise is gone. it sounds like a bearing, i'm almost sure of it. like a bearing not getting lubricated. and today i was on the freeway and the noise just started while going about 60mph, and i saw a tiny bit of white smoke come up from under the hood, so i turned the car off, coasting, started it back up, and it stopped. it does burn a lot of oil but the pcv line isn't clogged. it could be crankcase gasses coming out somewhere, i'm not quite sure. [/QUOTE]

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