Help Needed With Is200 Brake Shudder / Vibration

[blahmartinblah]

Hi

My brakes were shuddering. It is worst braking from 70mph while going down hill. I replaced the front pads and discs with Mintex parts from eBay. There is little or no improvement.

1. How can I check the caliper/pistons are OK? They looked pretty corroded on the outside (Its a '99 Sport) but I was able to push the piston back in OK and when I pulled back the seals in sliding part of the piston looks OK.

2. How can I check the balljoints? I read elsewhere this can cause brake vibrations

3. I'm waiting to get a geometry check done. My steering wheel is about 15deg offset when I'm driving straight, indicating someone has messed with it before. Could this be contributing?

Any other ideas?

Martin.

[sparkystav]

I used to have that sort of shuddering/vibration on my car and discovered it was a sticking piston on the passenger front.

I just replaced it with one of eBay,

Thats all i can really suggest mate.

Stav

[Webby@Scunthorpe]

I used to have that sort of shuddering/vibration on my car and discovered it was a sticking piston on the passenger front.

I just replaced it with one of Ebay,

Thats all i can really suggest mate.

Stav

Same here only problem ive ever had in 3 years is front drivers side caliper knackered same as you mate vibration etc, check your disc when you have been out somewhere for heat to see if there is a noticeable difference,mine was really hot and you could smell it as it was obviously sticking on on one side luckily it didnt do any harm to the disc.

[illbeinthepub]

hi there...

i also have a is200 sport (99)

ive had the same for the last few years.. had around 5 or 6 different disc,s and pad set,s.... now ive got ebc disc and green stuff pad,s but still the same. now iam thinking of changing the whole system. but what you said about the ball is making me think. but i have a full lexus service history, so shorly they must of picked up on it..

would like to fix it if there are any more ideas please get in contact..

[Scorps01]

Overtightening of the wheel nuts can be a cause of vibrations, make sure they are at the right torque settings.