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[Road Hog Mad]

Omega 3.0 MV6 X Reg.

I bet you're all fed up with me moaning lol.

No noise with a light brake.

When you press the foot brake firmly (I did today as the traffic lights changed to orange) it makes a "rrrrrmmmmmm" sound as the car firmly stops.

The discs and pads are 5,000 miles old, no marks on the discs and everything appears to be ok just looking at it.

No wobbles, or pulling, just this weird noise which appears to be coming from the front.

Picture of wheel and disc (nice clean disc)... http://img532.imageshack.us/img532/1359/12042010395.jpg

Also had an MOT one week ago and passed without any advisories, inspector said it was mint.

[Road Hog Mad]

Any Brake experts?

[tigers_gonads]

mmmmmmmmmmmmmm noise or grinding noise

a bit of stone stuck in there somewhere ?

[Lizzie_Zoom]

It could be due to a film of some substance that is making the pads slightly skipping across the surface of the discs.

Try giving them a good clean with brake and disc cleaner.

[Entwood]

Only thing I can say is .. check the back brakes as well ??  I was convinced the fronts were rubbing, noise wise, and spent several hours dismantling, cleaning, reasssembling on more than one occassion, without any joy.

Someone told me to check the rears ... the pads were non-existant on one and wafer thin on the others ... luckily the discs were not scored or it could have been a lot worse !!

[Road Hog Mad]

It gave me the impression that the pads where low but they are not and it only does it when you brake firmly.

After doing some late breaking on purpose before it seems to have somewhat gone away, maybe you was right about a bit of cack in the brakes, I'll post back if it does it again.

[Road Hog Mad]

mmmmmmmmmmmmmm noise or grinding noise

a bit of stone stuck in there somewhere ?

mmmmmmmmmmmmmm noise, just before you stop from say a firm brake from the 30, the last 10mph to 0mph.

[dbug]

If theres nothing stuck between pad and disc, check metal cover plate behind discs not bent and catching.

I would pop pads out, chamfer leading edges, blow out and reassemble.

[Road Hog Mad]

Not off till Sunday, but will bear it in mind, will use the power wash at work and see if that does anything. 

[tigers_gonads]

Only thing I can say is .. check the back brakes as well ??  I was convinced the fronts were rubbing, noise wise, and spent several hours dismantling, cleaning, reasssembling on more than one occassion, without any joy.

Someone told me to check the rears ... the pads were non-existant on one and wafer thin on the others ... luckily the discs were not scored or it could have been a lot worse !!

agreed 

[feeutfo]

i have a set of wheels waiting to go on the car, two of which are fitted with linglong tyres. These make a similar hum when pulling up on the brakes in a similar speed range. Its def. road speed related obviosly. I fitted the two wheels with tyres just to be sure they wherent bent or buckled, they soon came off again when i heard that row.

If your brakes are all stock GM? Might the noise be tyres? Whats fitted?


Should add, they only make the noise when brakeing hard.... or the harder you brake the more noise they make is probably more accurate...?

[Road Hog Mad]

i have a set of wheels waiting to go on the car, two of which are fitted with linglong tyres. These make a similar hum when pulling up on the brakes in a similar speed range. Its def. road speed related obviosly. I fitted the two wheels with tyres just to be sure they wherent bent or buckled, they soon came off again when i heard that row.

If your brakes are all stock GM? Might the noise be tyres? Whats fitted?


Should add, they only make the noise when brakeing hard.... or the harder you brake the more noise they make is probably more accurate...?

when you brake harder or firm the noise is there, 10mph to 0mph. It's not done it for ten miles though now so maybe it has cured itself?!

My car is the MV6, I took the MV6 wheels off as the ride was crap and put on some Elite wheels from a pre-facelift Omega (see pic), ride quality is a little better.