Hi,

In the past 2 days, I've noticed a whistling squealing noise coming from the front wheels (maybe more the driver's side) when the car is in motion.

Comes on at lower speeds (15 to 30mph ish) and perhaps more so when accelerating after the car has slowed down or stopped and moved off (it's not a noise currently connected with braking).

Front brake discs and pads were changed to Brembo in February and the car has travelled 2 to 3k miles since fitting as well as passing MOT in March with no advisories.

The noise sounds like that noise I associate with busy city centres packed with buses and taxis, whistling and squealing their way along city centre roads (if that description helps paint a picture).

The noise has also reminded me that a few months ago I posted a query about a whirling noise coming from the front offside area on the motorway that was investigated by a good mechanic who found no fault although at the time some people wondered if it might be a wheel bearing.

One point I note is that the car and front wheels are unusually filthy (front wheels caked and probably baked with dust) at present and I wonder if/ hope it might just be that a clean will do the trick.

Any ideas welcome.

Thanks

Last edited by pld118 on 12th Jun 2014 9:38am. Edited 1 time in total

could be just a build up of brake dust...normally a hard sharp stab on the brakes clears the squeal. ... - .- -.




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Sticking caliper

Could be pads sticking in carrier.... I'd get them stripped to find out the issue...

Try gently left foot braking whilst it's doing it, with some throttle to keep the speed and see if it still does it, if it goes quiet then it's more than likely brakes, either caliper or as above.. Could be a bearing but they usually make noises when cornering... Pete

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When you hear the noise i take it if you gently apply the brakes the noise goes....
I would take the pads out, clean the metalwork up and refit using plenty of copper grease.... Previously..
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Thanks all for quick and plentiful replies.

Starting the logical and step by step before buying new Brembo calipers

Drove it for 10 mins this morning and within 3 or 4 mins driving, upon crawling up to traffic lights, when I applied the brakes, the squeal came on and it remained on for a couple of seconds as I drove away from the lights again.

Since tried firm braking from 50 down to 30mph x 3 and about 4 emergency stops from 30mph in the hope it's glazing or some other debris. On stopping the car, both front wheels, the arches and the calipers felt only slightly warm with no obvious hot spots. Ditto the rears but the noise is coming from the front anyway.

However, surely Brembo front calipers can't be knackered at only 77k miles and if it is related to the calipers, can they be 'serviced', otherwise what do I do (buy brand new Brembos or exchange existing for refurb'd ones and if exchange, where from)?

Thanks again.

Right it's still doing it but for now, only say once on a short 3 mile round trip 10 minute journey.

My young son reliably told me on the last most recent run that it's the front passenger wheel that is squeaking and, incidentally, I lightly kerbed that alloy a couple of weeks ago

That said, I only crunched the edge of the alloy rim against a kerb at walking pace causing a small finger nail size area of damage to the rim.

Car due to do a 600 mile round trip tomorrow so hopefully not a binding caliper but tbh, I don't think it is... But what do I know!

Maybe a stone lodged there ?

 Where do you go after one of these . . . ?

Wheel off in the morning to check that Tug and I'll give it all a good clean.

Booked in for new rear calipers discs and pads to be fitted next Sat so anything still festering at the front can hopefully be looked at then too.

Thanks

Mine did this a few months ago and I thought it was the wrong pads but no took it in and everything was ok but still made the squeal with mine it may have been a slight lip on the disc but it wasn't obvious and now it has resolved itself I think it was a bit of rust on the edge of the nearside front , sorry if this doesn't make sense but hope it helps - I would persevere and see if it goes away

Brand new disc and pads on this one Sandy... reassuring though... I don't think its anything serious... the fitter of the discs and pads didn't use the grease supplied with the kit (used grease that his garage normally uses) and I'm now wondering if it's something to do with the type or not enough grease having been used at the point of fitting.

I was going to suggest a lack of grease Ryan. Whenever I replace mine, I use either copper slip, or the new ceramic stuff that ECP sell. Got - 2017 SDV8 Autobiography in Loire Blue
Had- 2008 TDV8 Vogue SE in Java black
Had - 2007 S/C in Stornoway Grey

So it did it a few times today and the squeak seemed to come on when driving slowly around town accel from speeds 20 up to 30 mph and it did seem to come on when the steering wheel was turning more to the left whilst driving along... A light touch of the brakes seemed to stop it today. Again, wheels not overheating and no obvious hotspots. Noise now starting to remind of a squeaky wheelbarrow, if that makes sense?

Sounds exactly like mine was . If I did lots of town driving = squeal do a run on the motorway and it was gone I think the discs had a slight lip and maybe the pads were just catching the lip but like you a slight dab on the brakes and it vanished. You said that you had knew Brembo discs and pads? so bit confused unless the pads weren't oem??

Been getting funny noises myself and I do mostly short journeys

Oh well , another job to add to the list !!

Cheers
Dave Current : 4.2 S/C, now Sold
Previous : V70 Volvo, S40 Volvo ( a very reliable old banger ), E39 M5, Carlton Diplomat and the list goes on

Life Sucks but ya just have to do the best you can with what you have !