Hello!

I have EBC 3GD Drilled and Slotted Sport Rotors on my 94' Z32 TT, with which I have a recurring brake problem, where the front brakes vibrate when braking above 50mph, pulling the car to the left. Before the obvious response of "use the search function" arrives, allow me to explain a bit better, as I've been unable to find a thread like this.

The first time I noticed this was shortly after I bought the car, when it still had the Yellowstuff pads. The problem soon became so severe, that the vibrations would cause the power steering to cut out during hard braking, which sounds exactly as bad as it is when it happens mid-corner. After a visit to the mechanic determined a warped front disc, I replaced the front discs and changed all pads from Yellowstuff for the more usable Redstuff.

After 1000 km of running them in carefully all seemed well, apart from minor vibrations from the new pads, but now the problems are starting again. Since I drive this thing more like a GT car than a sportscar, by gently braking and never suddenly hitting the brakes hard, I have no idea what could cause this.

So, my questions for you are:

- Could the vibrations be caused by cold discs & pads?
- Is there a general problem with EBC brakes themselves?
- Since I don't brake like I'm on a racetrack, would it be better to change the discs & brakes to stock or some other aftermarket kit?

 

Perhaps something's wrong with front suspension bits/alignment?

 

There was a problem with that, but I've already had it repaired and the alignment done, so it shouldn't be the cause.