Member Since: 13 Jun 2010
Location: Sheffield
Posts: 86
Possible front warped disk - but not sure ???
Hi all my 05 manual se has developed a weird thing when braking. Up to about 50 mph the brakes appear fine. Above 50mph the steeriing wheel wobbles violently when applying slight brake. If you brake quite hard then the wobble stops. Hard braking also gives a clunk from the front end.
Im asking for help on this as the normal things for warped disks are not happening. IE, wobble is constant and wobble depends on speed and there is no feedback from the brake pedal.
Can anyone point me in the right direction ?
Aslo - prev owner had the disks replaced in nov 2009
Thanks
Aaron
2nd Jul 2010 12:08 pm
al cope
Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 10328
wobble that is there under gentle braking but then goes away when more pressure applied is usually down to a disc running out of true. Has it been there since you got the car, i.e, did previous owner have the same issue. This is the symptom I had when I fitted non genuine discs on the front of my old D3. Replaced with genuine, problem gone.
Is everything tight - caliper bolts etc, as this could be the cause for the clonk
AlVolvo XC90 B5 Plus Dark
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2nd Jul 2010 12:26 pm
aaronbott
Member Since: 13 Jun 2010
Location: Sheffield
Posts: 86
it has only just started to happen to be honest. I am going to be checking it over tonight and making sure the ARB bushes are ok and that all bolts are tight etc.
Looked at the receipt and I think the disks that were fitted are genuine so ???
2nd Jul 2010 12:31 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72912
Had this on way back from Tunisia last year, thought EPB, warped disk, wheel weight off etc etc. Turned out to be partially seized on brake caliper and was sorted under Tesco warranty.
2nd Jul 2010 12:53 pm
aaronbott
Member Since: 13 Jun 2010
Location: Sheffield
Posts: 86
dont suppose you know if it was the caliper or piston that was seized ?
2nd Jul 2010 12:58 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72912
Fraid not, took it in & said it's doing this, they said it was the caliper and fixed it. Don't know details but as non-techie most of it is too easily forgotten, esp if I'm not paying.
2nd Jul 2010 1:04 pm
Baben
Member Since: 15 Feb 2006
Location: Kyalami
Posts: 2059
I would check the lower control arm bushes as well - this may be where the clunk is coming from.
Is steering a little vague sometimes, and does she tramline?
2nd Jul 2010 1:09 pm
aaronbott
Member Since: 13 Jun 2010
Location: Sheffield
Posts: 86
yeah - i just got a set of lower and ARB bushes from the stealers - fitting them this weekend
will look at a caliper service while i got the wheels off to see if this sorts out the issue
2nd Jul 2010 1:13 pm
Chicken Duck
Member Since: 11 Nov 2009
Location: Italy
Posts: 1387
Never mind mods delete. I should read whole thread in future lol
2nd Jul 2010 8:08 pm
aaronbott
Member Since: 13 Jun 2010
Location: Sheffield
Posts: 86
anyone done the front lower bushes before? Dont want to start something i cant finish. Last time i did a set of bushes they were a real pig to get out ??
3rd Jul 2010 11:29 pm
Bodsy Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
Change the whole lower arm as it comes with all the bushes fitted. Much easier than trying to mess about with each Bush change.Bodsys Brake Bible
Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset See It Here
3rd Jul 2010 11:34 pm
aaronbott
Member Since: 13 Jun 2010
Location: Sheffield
Posts: 86
if only i had thought of that BEFORE i bought the bush set from the stealers !!!!
4th Jul 2010 9:52 am
Bodsy Site Sponsor
Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361
Maybe they'll do an exchange for you?
They have been done, but you'll be talking of a whole day of bush pain rather than a couple of hours of relatively easy changeover.
It's the bolts that corode on more than anything else. They end up having to be cut off.......Bodsys Brake Bible
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