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Sounds like idler tensioner on aux belt , you would need to take the belt off and spin it manually, it's either that or the alternator bearing . Best I can do until you do that.
Pat
 

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Or alternator clutch pulley but basically narrow it down to something on the aux belt.
If the noise persists with the belt removed it's very bad news.
 

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Premium Member
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Sounds like idler tensioner on aux belt , you would need to take the belt off and spin it manually, it's either that or the alternator bearing . Best I can do until you do that.
Pat
 

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Discussion Starter #7
Thanks guys for a tips. I hope its alternator whine in worst case scenario. I share my results with you as soon as i manage to remove that aux belt. I check power steering oil first of course and engine oil seems correct last time i checked. Although its kind of hard to say at what level it exactly is, but it look like it is at max level at least and hopefully not more.
 

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Problem fix. Timing belt and tensioner have been change and the whining is gone.
Lucky escape there, if the belt idler or tensioner had failed you would have been in for a rebuild
 
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