I have an issue with vibrations when driving over 80 k\h, and someone who inspected the vehicle said the rotors are warped. Of course I realize it could be something else and I'm going to verify it myself, but assuming it really is the rotors, do I have to replace the brake pads at the same time, or can I just do the pad bedding process to shape the current pads to the new rotors?
asked Nov 10, 2017 at 13:27
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If it was rotors you should only get vibration under braking...– GdDNov 10, 2017 at 13:50
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@GdD So you think maybe it's wheel weights or something like that? I did notice when airing up the tires that the car has four different tires on it, each one from a different manufacturer with a different PSI rating...– Robert S. BarnesNov 10, 2017 at 14:03
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1Vibration at highway speed, when not braking, will be something to do with worn suspension components, wheel alignment, or tire/wheel balancing. Or a combination of all of them. Unmatched tires could be an issue if the sizes are different. Are they all the same size?– CharlieRBNov 10, 2017 at 14:37
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1Wheel balancing is a good bet, and could be the simplest to fix. In addition to @CharlieRB's list there's worn steering components and damaged wheels.– GdDNov 10, 2017 at 14:45
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Don't read the PSI markings on the tires. Those are simply the maximum cold pressures. Look inside the driver door for the proper PSI.– SpivoniousNov 10, 2017 at 18:35
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1 Answer
It is always recommended to replace the pads when replacing, or resurfacing, brake rotors.
The pads may look fine, but if you are trying to solve the vibration issue, using the old pads could transfer problems you cannot see, like uneven wear, cracks, etc.
