Ting Ting Sound From Front Discs When Sharp Turning (solved)

[ColinC1]

For the last two months I have been getting a ting ting sound as I do a sharp turn left or right.

 

This is well known on japanese cars once they are over 4 years old, my car is only 2 and a bit, so the problem has arisen quicker than usual :rolleyes:

 

Most japanese cars have a thin metal protection guard behind the disk to reduce weathering on the back of the disk, but when rust sets in it eventually hits the guard, but only on a sharp bend, as the disk moves in and out slightly when cornering.

 

On the city bugs (C1, Aygo and 107) there is a small protection guard behind the disk at the bottom, it is only an inch long, but thats whats tinging, see photo.

 

http://i59.photobucket.com/albums/g293/greatchi/B%20team/thin1.jpg

 

I took the wheel off, and I used two jacks to protect me when working under the cars wing. handbrake on, gearstick in neutral, so you can turn the disks by hand.

 

http://i59.photobucket.com/albums/g293/greatchi/B%20team/thin2.jpg

 

I used a heavy 10 inch screwdriver to bang off and then scrape off the rust on the edges of the disk, as this buildup causes the interferance with the guard. I then used an emery block to smooth off the edges, but NOTE avoid touching or scraping the braking surfaces with the screwdriver.

 

Just to make sure you know where I scrapped off the rust...

It is the whole edge circumference of the disk plus slightly over the edges on both front and back side.

I was amazed at how many large flakes of rust came off.

 

I also pushed the guard back a bit using the screwdriver to give me a better gap.

 

Warning, wear goggles when scraping the rust off, and make sure the car is well jacked up as the citroen one is not that great.

 

I also did not use a hammer for this rust removal job as it could potentially damage the disk, you have much better control over rust removal with a heavy screwdriver. (I have done this job many times on japanese cars).

 

The job took half an hour per wheel.

Car is nice and quiet now, but still not sure why the rust was so thick, so quickly.

 

Cheers Colin.

[techbod]

did you know you can remove them and it doesn't effect the MOT? but if you have only one on it does effect the MOT, I always clean the rust off and treat it then spray with black stone guard then to make it look good I spray it red ( my fav colour ) just a quickie on the edge of the disc I take it off with a grinder and tap the excess rust of with a small hammer ( you cant stop them rusting ) its normal due to heat/cold conditions