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afzala

Original Poster:

85 posts

82 months

[news] 
Tuesday 5th May 2009 quote quote all
Hi

I've recently noticed what can only be described as a scraping noise coming from the front passenger side wheel, when moving slowly. I'm sure it it always there, but at speed the engine noise is masking the sound. It seems to be consistent with the wheels turning, but I am no expert, so hope someone can let me know if it is something that should be keeping me up at night, and my wallet at the ready?

thanks

sean_goodman

536 posts

83 months

[news] 
Tuesday 5th May 2009 quote quote all
afzala said:
Hi

I've recently noticed what can only be described as a scraping noise coming from the front passenger side wheel, when moving slowly. I'm sure it it always there, but at speed the engine noise is masking the sound. It seems to be consistent with the wheels turning, but I am no expert, so hope someone can let me know if it is something that should be keeping me up at night, and my wallet at the ready?

thanks
maybe jack it up and turn by hand....wheel bearing? bit of debris under a brake pad?

D_G

1,518 posts

89 months

[news] 
Tuesday 5th May 2009 quote quote all
Could be the handbrake shoes broken up inside the rear disc too.

Dave

rsnoble

351 posts

68 months

[news] 
Tuesday 5th May 2009 quote quote all
handbrake on the front? ha ha




D_G said:
Could be the handbrake shoes broken up inside the rear disc too.

Dave

D_G

1,518 posts

89 months

[news] 
Tuesday 5th May 2009 quote quote all
rsnoble said:
handbrake on the front? ha ha




D_G said:
Could be the handbrake shoes broken up inside the rear disc too.

Dave
Oops, didn't read the post properly getmecoat
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cutaway

17 posts

112 months

[news] 
Thursday 7th May 2009 quote quote all
I had a scraping Noise on my left rear wheel of my M400. It started only at slow speeds during turns in a parking lot. Up at speed it went away. Mine turned out to be very serious. A mechanic did not torque the axle nut properly, which caused things to get loose and wore out my wheel bearings. The noise was the brake caliper rubbing up against the brake rotor. Hope its not that or you, but easy to spot.Look for a circular scrape on the rotor.

Duke Thrust

1,516 posts

119 months

[news] 
Thursday 7th May 2009 quote quote all
cutaway said:
I had a scraping Noise on my left rear wheel of my M400. It started only at slow speeds during turns in a parking lot. Up at speed it went away. Mine turned out to be very serious. A mechanic did not torque the axle nut properly, which caused things to get loose and wore out my wheel bearings. The noise was the brake caliper rubbing up against the brake rotor. Hope its not that or you, but easy to spot.Look for a circular scrape on the rotor.
Had a similar problem and was worried that it was the above, lucky for me it turned out to be a stone caught in the caliper.

Have you taken the wheel off and had a good look?

Timbo_Mint

316 posts

101 months

[news] 
Saturday 9th May 2009 quote quote all
I've had a similar thing. Turned out to be wheel bearing... The bearing are the same as on the BMW 3 series, see noble parts for part numbers.

AFZALA

Original Poster:

85 posts

82 months

[news] 
Sunday 10th May 2009 quote quote all
thanks for the advice, i will take a look this week and let you know how i get on

afzala

Original Poster:

85 posts

82 months

[news] 
Wednesday 24th June 2009 quote quote all
...ok so the noise is coming from the REAR passenger side wheel, and not the front as originally described.

I never got around to taking off, but at the weekend, I was driving home with a mate, and the soft scraping noise suddenly took a turn for the worst.

It transformed into a loud scraping noise, with the occasional whining noise, and other strange (metal on metal) noises. My mate opened the door while stationary, and i gently moved the car forward - hence realising sound came from rear passenger side.

We examined the brake pads without removing the wheel, and it looked ok. Mate thinks it must be a handbrake related issue - must admit it does sound like i was driving with it on, but know that it clearly wasn't.
I am waiting for mate to pop around when he is free, and to jack the car up for a proper look after removing the wheel.

Any ideas in the meantime?
thanks

The devil

1,979 posts

63 months

[news] 
Wednesday 24th June 2009 quote quote all
Does it make any difference if you gradually pull the handbrake on whilst you listen?

AFZALA

Original Poster:

85 posts

82 months

[news] 
Wednesday 24th June 2009 quote quote all
haven't tried that.Assuming it does-what is the diagnosis in this scenario?

steve_r

136 posts

116 months

[news] 
Wednesday 24th June 2009 quote quote all
I'm sure this is a loose rear hub nut. get a porsche replacement nut (see wiki) and tighten to 270 nm!

Duke Thrust

1,516 posts

119 months

[news] 
Thursday 25th June 2009 quote quote all
steve_r said:
I'm sure this is a loose rear hub nut. get a porsche replacement nut (see wiki) and tighten to 270 nm!
Yep, my money is on this as well.

ThatPhilBrettGuy

11,622 posts

120 months

[news] 
Thursday 25th June 2009 quote quote all
If it's the hub nut loose (and as others have said it almost certainly is) and you've carried on driving it to this point, there's a good chance your hub is trashed as well. Mine was paperbag

MrCredit

365 posts

102 months

[news] 
Thursday 25th June 2009 quote quote all
I had a loose hub nut which manifested itself as a long brake pedal.
As the disc was able to move laterally it was pushing the pads and pistons back into the caliper, hence the long brake pedal.
Luckily when I stripped it all down the hub itself was fine but I needed a new drive flange as well as a new bearing.

AFZALA

Original Poster:

85 posts

82 months

[news] 
Thursday 16th July 2009 quote quote all
for the purposes of closure on this issue....

I ended up having the AA take the car to Castle TVR in Stanstead to take a look.

It turned out to be the handbrake shoes had become loose, so these were tightened. For good measure, I had the nuts replaced with the Porsche Boxster nuts.

Very pleased with outcome...total cost inc a service was £400, so i am relatively pleased
thanks for all the advice..now i can enjoy the weekend
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