Paul
Posted a lot
Posts: 1,911
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Nov 12, 2013 18:30:12 GMT
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...and hilarious voiceover...
Car has made this noise for over a year, not getting any worse, but damned annoying.
You'd have space left on the back of a stamp if you wrote what I know about these cars...any thoughts on what's going on?
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Nov 12, 2013 19:27:35 GMT
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The "nasal" whine? Supercharger noise. More than usual. Does it have the standard air filter and element (no K & N fitted?) and are all the induction pipes on properly?
Nick
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1967 Triumph Vitesse convertible (old friend)
1996 Audi A6 2.5 TDI Avant (still durability testing)
1972 GT6 Mk3 (Restored after loong rest & getting the hang of being a car again)
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Paul
Posted a lot
Posts: 1,911
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Nov 12, 2013 22:07:07 GMT
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Yep - I recognise the whine but it's much, much louder than it should be. Will have a look tomorrow...
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Nov 13, 2013 10:51:58 GMT
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Charger for sure. How serviceable are these?
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Onne
Part of things
Posts: 822
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Nov 13, 2013 11:33:43 GMT
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Isn't the whine the power steering too?
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1990 Mercedes W126 300SE
1997 Mercedes W140 S320L
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ChasR
RR Helper
motivation
Posts: 10,197
Club RR Member Number: 170
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Nov 13, 2013 12:39:08 GMT
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I would also say supercharge as well in this instance.
The PAS does make a noise, but it tends to be higher pitched than the noise in the video and it tends to increase in volume via steering being applied.
There is an offchance that it may be an alternator/pulley issue (I.e, the one way clutch or rubber cushion pulley (where fitted) on the alternator has gone up the spout although taking the belt off in this instance to check for that will not be as simply bar turning the pulleys and seeing if things operate as they should, with no play or roughness, including the one way clutch working as it should.
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Paul
Posted a lot
Posts: 1,911
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Nov 13, 2013 17:32:04 GMT
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Steering has no impact on noise so it's not that.
How long can it go on like this? I've no experience with superchargers - it's been making this noise for about 18 months and it isn't getting any worse. Is there a risk of it going bang? What happens if it fails?
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Nov 13, 2013 20:40:40 GMT
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To me that is the noise that they normally make but usually it is better silenced, which is why I suggested checking the air filter and duct-work.
Nick
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1967 Triumph Vitesse convertible (old friend)
1996 Audi A6 2.5 TDI Avant (still durability testing)
1972 GT6 Mk3 (Restored after loong rest & getting the hang of being a car again)
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