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[tigers_gonads]

Took the car for a nice run down to Skeggy on Sunday.
Now I seem to have picked up another problem 

Sometimes, when I brake lightly, i'm getting a harsh vibration though the brake peddle and the steering wheel.
If I press harder, the vibration disappears.
The car does stop in a straight line.

I know the front discs have seen better days but there is no sign of warping or lip on the outer edge on the disc.
The front pads are Mintex 1144's and have done about 6000 miles on them with plenty of meat left.

Any ideas ? 

[The Red Baron]

wheel bearing? 

[martin42]

Warped front discs.

[Marks DTM Calib]

What state are the front wishbone bushes in?

[TheBoy]

Out of interest, what condition are the inside edges of the disks in?

[TheBoy]

Although in this case, I'd be checking wishbone bushes.

[tigers_gonads]

Thanks for that lot 
I've got to pop out so i'll have a poke around later if its still light outside 

Just out of interest, when I got the car, it was pulling to one side but a good clean of the calliper's and new pads sorted it out.
Iirc, these are Lucas calliper's. Do Lucas sell a service kit for them so I can strip them down and do the job properly ?

[chrisgixer]

Vauxhaul might.

Inner edge of disc rusted if it's the same each time, or wishbones bushes failed which tends to give a random "flap" from the steering like a tank slapper. More of a wobble.

I'd guess at inside edge of discs rusted but could be either.

[Nick W]

It's really unlikely to be a caliper problem. Wishbone bushes would be top of my list, an examination of the steering linkage is always a good idea, and knackered topmounts/strut bearings would be worth considering. Actually, if you suspect the latter, inspecting them probably isn't worth the hassle; replacement would be the way to go.

[tigers_gonads]

Vauxhaul might.

Inner edge of disc rusted if it's the same each time, or wishbones bushes failed which tends to give a random "flap" from the steering like a tank slapper. More of a wobble.

I'd guess at inside edge of discs rusted but could be either.

Spot on, well the first inch or so is scored
What could be causing this ?

I'll poke the wishbones with my scaffold pipe when I find it tomorrow 
Am I right in thinking that to check the wishbones, the car needs to have its weight on the wheels ?

[05omegav6]

Play is better identified with no weight on the wheels

[chrisgixer]

Re discs, they all do it.

Heat resistant paint greatly improves matters though. Ebc dimpled/grooved discs last quite well. Not sure they take major punishment though.

So painting Gm discs would help the rust issue I'm fairly sure.

[tigers_gonads]

Play is better identified with no weight on the wheels

50/50 and guess which one I choose 

Cheers Al 

[TheBoy]

So painting Gm discs would help the rust issue I'm fairly sure.

I'm beginning to kind I need to be a chav, as due to less use (by me), mine keep going the same way before I've worn the tinkers out.

I'll get meself a baseball cap, coz itz ware itz at, init?

[chrisgixer]

So painting Gm discs would help the rust issue I'm fairly sure.

I'm beginning to kind I need to be a chav, as due to less use (by me), mine keep going the same way before I've worn the tinkers out.

I'll get meself a baseball cap, coz itz ware itz at, init?

Oh shutup