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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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whiney humViews : 483 Replies : 8Users Viewing This Thread : |
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Sep 16th, 2021, 14:02 | #1 |
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whiney hum
Hi folks, not been about for a while, hope all are well...
I have developed a whiney hum, well, not me perse', more the V70 and it sounds like the NSF, but meh, no telling is there, its fairly quiet and my mate couldn't hear it till I really pointed it out. Theres no change in sound at all, not when cornering, either direction. It doesn't change with speed, that I can tell, the only time it stops is if the car is stationary or, as a test, i put it into neutral and i think it stopped then once the revs dropped off. Dont say pulley, please, just dont I initially thought bearing, but i thought that they change in sound depending on what the car is doing. Im also thinking poss driveshaft, or CV, but more leaning towards pulley, see, ya made me say it.. Also i think its getting a bit louder over time, prob noticed it about 1k ago and it was barely noticed able, and now it think it would be easy to point out
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Regards, Bashy MY07 (56 plate) V70 Geartronic 2.4 D5 185bhp 173k, 17", full leather, an auto-dimming mirror and auto wipers are the best it can do - I have added (poorly) limo black, rear camera and parking sensors |
Sep 16th, 2021, 16:03 | #2 |
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Last Online: Yesterday 23:34
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don't suppose it's low p/s fluid? possibly a silly question but worth checking
maybe would change a bit with steering though.. esp. at full locks |
Sep 16th, 2021, 16:36 | #3 | |
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Quote:
Could be a wheel bearing. Some bearings make noise, but have no play.
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2007 (P3) Volvo S80 SE 2.4D (163bhp) - 109,000 miles. Black exterior with cream leather interior. |
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Sep 16th, 2021, 17:08 | #4 |
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I dont think its steering, ive actually not long topped that up, and I know the sound when that becomes empty.
This noise is constant, no change in pitch or volume, the only time it stops is when the revs drop to idle, poss alternator, but that would change with revs, no?
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Regards, Bashy MY07 (56 plate) V70 Geartronic 2.4 D5 185bhp 173k, 17", full leather, an auto-dimming mirror and auto wipers are the best it can do - I have added (poorly) limo black, rear camera and parking sensors |
Sep 16th, 2021, 17:56 | #5 | |
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Quote:
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Sep 16th, 2021, 19:05 | #6 |
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If you're on about the steering topups, 3 years, its leaking from the o-ring on the rack I think.
If you're on about the noise, it started probably a couple of months now and over about 1000 miles, the timing and miles are a guestimate. Its gone from just noticing a slight change in noise of the car that only the owner would pick up, to a noise that if you point it out someone else will notice it, trying humming to yourself as quiet as you can, then imagine that over the sound of the engine whilst sitting in the car, its not noisy, yet, its just noticeable. damn, so hard to explain these things lol
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Regards, Bashy MY07 (56 plate) V70 Geartronic 2.4 D5 185bhp 173k, 17", full leather, an auto-dimming mirror and auto wipers are the best it can do - I have added (poorly) limo black, rear camera and parking sensors |
Sep 16th, 2021, 20:06 | #7 |
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It was the topping up of the PAS reservoir I was curious about.
I know what you mean about trying to describe a noise. Very tricky. |
Sep 16th, 2021, 20:10 | #8 |
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Have the vacuum engine mounts been tested?
Has the right engine mount under the crank pulley been inspected?
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2002 S60 SE D5 Manual 209000 miles |
Sep 17th, 2021, 03:24 | #9 |
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No on both counts, I can look into that, thanks, would the noise be coming from those or are you thinking secondary?
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Regards, Bashy MY07 (56 plate) V70 Geartronic 2.4 D5 185bhp 173k, 17", full leather, an auto-dimming mirror and auto wipers are the best it can do - I have added (poorly) limo black, rear camera and parking sensors |
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