Warped rotor question

[rccolacc]

Since I bought my ZJ I've been having brake pulses in the pedals associated with warped rotors. When I put my HP30 front axle in, I went ahead and had the front rotors turned. The pads looked fairly new, so I didn't replace them. I noticed a big difference in stopping power and the pulsing died down, but never completely went away. I assume it's becuase I never turned the rear rotors. Well now the pulsing is getting to me and I want to make it stop.
Christian says I need to buy all new pads and turn all 4 rotors and the pulsing would go away. He says old pads on newly turned rotors will warp them. Is this true? I have a hard time believing it. I know that you need to turn the rotors when you get new pads, but I never heard of replacing the pads when you turn the rotors. I know HEAT is what warps rotors. Brakes generate heat no matter how new the pads are.
What if I just have all 4 rotors turned and leave the old pads on there? Should I replace all the pads too? They still look like they have some mileage left on them.
Thanks for the help guys.
-RC

[danthemanx07]

have you looked on jeeps unlimited for this problem?? i remeber reading somewhere thatyou might have to replace the rotors to fix this problem

[JWP]

My wife's 01 2wd has had similar problems. I replaced the rotors rather than turning them and always replaced the pads. This would fix the problem completely but after 20,000 to 30,000 miles it would reoccur.

[rccolacc]

My friend is having similar problems on his late model Dakota. He's been getting the dealer to replace the rotors under warranty though. Maybe Chrysler uses crap rotors?
-RC

[mississippi_xj]

composit roters?.... there is some good info on naxja.... www.naxja.org/forum/search.php?searchid=911206