Whining Benz

BClassChris

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I’ve noticed today that my Benz is whining a little bit when the engine is under load between 16-2000rpm. It’s not the box I’ve checked the oil and had the box sat in neutral and done a rev test and the whining starts at around 16-2000. Just wondering does anyone have any pointers or could I be stalking a mind ghost.

My next port of call would be to look at turbo seals and turbo fins

TIA


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LostKiwi

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Before doing that remove the auxiliary belt and see if the whine goes away.
 
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BClassChris

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Before doing that remove the auxiliary belt and see if the whine goes away.

Doesn’t sound like a belt whine though from what I can hear it sounds more like the whine you get when your box is in reverse and your backing up a bit quick. I mean I’ll try it like see if it is that. Do you think the belt is on its way out?


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Craiglxviii

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To be fair my cars experience a whining sound, but only when the Mrs is in the front passenger seat!!
 

ajlsl600

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if it has serpentine belt. drop it off for a min and see if whine gone.as per craig. i have a knob on the dash and wheel that deals wid dat. its called volume control.....
 
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BClassChris

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if it has serpentine belt. drop it off for a min and see if whine gone.as per craig. i have a knob on the dash and wheel that deals wid dat. its called volume control.....

Forgive me for being a little dumb but let’s say taking the belt off cures it could I be looking at something as easy as a new belt or could we be talk £££ for alternator etc


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EmilysDad

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Forgive me for being a little dumb but let’s say taking the belt off cures it could I be looking at something as easy as a new belt or could we be talk £££ for alternator etc


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It'll narrow it down to what's driven by the belt. It could be the belt tensioner.
 

ajlsl600

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clk3202001,sl6002003 with everything regrettably sold ,A class 170cdi auto. NG/TF1800 ML250
belt tensioner,alt bearing ,ac pulley bearing ,if ac fitted ,water pump bearing and whatever else is driven by that belt ,if the noise goes spin all the driven bearings,pulleys by hand ,if there is a bad one it should be easy enough to spot noisy or loose bearings
 
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BClassChris

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Sit rep - I can’t get the ****** thing off as I’ve only got drive in ramps not lifting ramps going to get a garage friend to do it - will advise later


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BClassChris

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Sit rep 2 - car has been to garage it was a tensioning pulley that was dead - all sorted now like new

CDK Motors Halifax Sorted within a few hours


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