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Last time I posted I was completely fed up with the lousy braking I was getting from my 99 9-3. I took it by Swedish Performance in ATL and ended up having new pads and rotors all the way around. I was a little depressed to do the fronts again because the rotors had been replaced only 3 months before, but I drove the car before and after and there was a noticable improvement after the second replacement. I went from greenstuff pads on the front back to stock. Even with returning to stock pads, the braking was noticably firmer after the second replacement than before with the greenstuff pads.
Anyway, here is the interesting part--to me at least. At this point it has to be "interesting" or I would go crazy with the continuing challenge of getting good braking from this car. I noticed that even after new rotors and pads, even though braking felt a lot stronger and a lot smoother overall, there was *still* a strange lurching feeling (not the best description) that I get when coming to a gradual stop, or when trying to coast forward at a stop-light letting the brakes off just a little. It isn't a feeling in the pedal, it is in the whole car. It has done this since I got it, and I have always thought it was due to a rotor/rotors somewhere. It has always been impossible to come to a smooth gradual stop. It feels like there is uneven braking force being applied, not bad enough to make your head go forward and backward but that's the feeling.
I started playing a bit once I realized it wasn't rotors or pads, and here is the part that bugs me/worries me. It doesn't happen when I come to a stop with the transmission (auto) in neutral. I can make nice smooth stops, just like real people. I played a bit more, and determined that it doesn't seem to do it when I put the transmission in Winter mode either. What could that mean? Does winter mode not downshift to 1st as you come to a stop?
Well, not long after I realized this was the case, and that it was easily repeatable, the car threw another wrench at me. It started *not* doing the lurching sometimes even in normal mode leaving it in gear. I was completely shocked. The car has always braked with the lurching. However, the braking has grown even tighter and stronger now. With the exception of the lurching, it feels pretty good. I wonder if the brake pads/rotors are really into each other now and maybe the stronger stopping force is preventing the lurching problem from happening. ? Panic-stops are always smooth, it is just the gradual stopping that feels really bad. It has been about 1500 miles since the rotor/pad change.
I know nothing about brakes really. It seems to me that the transmission and brakes are having an argument. If the transmission would just back off when I am coming to a stop I think things would feel fine. Could this be a mount somewhere that is loose? Like I said, the feeling isn't in the pedal itself.
Any advice is appreciated! Thanks for reading through this...
posted by 68.117.209...
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