Brake discs keep warping. What could be causing it?

[kenny]

Originally Posted by oneilldom

Wasn't me who changed them unfortunately and the garage I bought from is in Bradford. I'll call them but I suspect it'll be a waste of time, they won't want to know.

Not a waste of time, they will have a warranty from their supplier but you can bet they will have fitted the cheapest available.

[Tony500]

I had this problem and it came back.... so still have it

It was pagid disk+pads I used too!
Everything is true, no sized caliper ect and wheels torqued evenly.



I just pretend I am a rally driver and going over bumps ect with the wheel shaking mad

[Tannaton]

This issue is more common on the heavier Volvo cars - especially XC90. The most widely accepted cure is to fit GENUINE ( not OEM quality or OEM supplier) discs and pads. It seems to be more common on auto gearbox cars which adds weight to the theory which links the damage to keeping your foot on the brake when the car is stationary.

If you look on eBay there are usually a few dealers with offers on, prices aren't so bad. Btw Skandix are not genuine and just as likely to warp as any other.

[iainmd]

Yes, I've had this with EBC, Pagid and Ferodo discs but never with Volvo OEM (I think they are ATE).

You can reduce the possibility by not sitting on the footbbrake as someone mentioned above after slowing to a standstill. Use the handbrake once stopped. If you do need to carry on using the footbrake, apply as little pressure as you can to hold the vehicle still rather than firmly planting your foot down.

[scooby]

i had the same problem on my v50 when braking from hi speed was not the brakes on mine was worn wishbone bush the big one at the back was all split put new arms on and was fine

[volvo145]

Oem discs will warp as well if the car is not used a lot.I just get them reshimed now or I just put up with it.
The car is up to Volvo spec with servicing etc

[alfadave11]

check mounting face and dti run out

[AndyMcc]

I had exactly the same problem, replaced with gen disc and pads, no problem's since, pls see

http://www.volvoforums.org.uk/showthread.php?t=229616
Juddering under braking - oh yes!

Good luck
Andy

[Clan]

Originally Posted by oneilldom

2009 C30 2.0D Sport R-design.

When I test drove the car I noticed a fairly rapid shuddering in the steering wheel upon braking. It was very noticeable. It was obvious the break discs had warped at some stage.

Naively I assumed this would've been over a long period of time so I got the garage to change them and went on my merry way. This was in mid-August 2015 when I bought it. They have now warped AGAIN in the space of 4 months.

Braking from high speed is my only real theory as to how they could've become warped but even with that I'd have expected them to last more than four months. Is this common on C30's? What else could be causing it?

Thanks in advance.

Very uncommon if you use genuine volvo parts ...

[volvo145]

Originally Posted by Clan

Very uncommon if you use genuine volvo parts ...

I must be unlucky then because I use genuine Brembo discs on the R fitted by different Volvo main dealers.
The reason is because the car stands about a lot is the cause of the problem according to them.