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I bought my ascender in 05 and I only have lil over 20k mi. My brake pedal pulsates everytime I press on the brakes. It is getting worse! I brought it to my mechanic and they said the rotors/disc are warped and need to be replaced. He said it should be covered in your warranty but when I called isuzu, they told me its not covered. I had my brother check the rotor/disc out and he notice one of them is slightly warped. He did this by takin the wheels off and just rotating the discto feelany resistance. He replaced that 1 rotor/disc but there was no difference...its still pulsating. Should I replace both disc?


Thanks in advance.
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yes any time u have pulsing in the brake petal u need to ether resurface the two front rotors at any auto shop, or buy two new ones with a fresh set of brake pads. the unevan rotors form into the pads, and if u do new rotors and old brake pads. the old pads are going to make the new surface unevan. good luck! 20 k thats sounds like a year and a half of driving right?