wizing turbo sound? what could it be.

1993 TOYOTA PICKUP
550,000 MILES
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CORONA_ANGEL2003
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I have been told that it could be gears in my trans(manual). It makes noise while in idle and it gets louder while on gear and speed.

Sep 24, 2011 at 9:47 PM
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MHPAUTOS
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Sounds like a bearing noise, start with checking all the external engine pulley bearings first, with out actually hearing the noise it is a bit hard to determine the location, a mechanic listening to this first hand may be able to narrow down the problem as well.
Sep 25, 2011 at 12:45 AM