hey ive got a similar type of problem, not as severe though. sometimes (appears to be random) at about 2500-2700 RPM the trottle will take a sharp dip of about 300-500 rpm. i can always fix it if i punch it and get it up to about 4000 rpm for a second, when i go back to normal throttle the problem i...

how much do you think it would cost to replace the rotors. and do you have to replace all 4?

hey ive got a 2000 S80 and i was just at the volvo dealer talking about getting pegasus rims. he also thought they would be too wide with 235/45/17 tires but i bought my car with 235/45/17 tires and yes they rub on the driver side. so do you think if i got the pegasus rims and put narrower tires on ...

I also have the same type of problem, except my car only vibrates when i brake from high speeds (80mph+) as opposed to all the time at high speeds. could that also be because of warped rotors or something else?