When do you need to replace rotors ...?
Pit Crew
Joined: Apr 2012
Posts: 162
Likes: 25
From: Indiana
I went with OEM pads, shims and fitting kit for the front and just pads for the back, reusing the old shims and hardware. Quiet, no shaking, stops on a dime.
I have done brake jobs on other cars that only had 20K miles on them, where the rotor had a noticeable groove worn in them from the pads already. Not to name names, coughGMcough, but some car companies seem to have no ability to properly size their brake components to the vehicle they put them on.
Rookie
Joined: Aug 2013
Posts: 66
Likes: 2
From: ORu
Agree 100% with what Bon wrote - the key to long rotor life is to torque the lug bolts properly. I do it on the side of the next clear side street after a tire change. Costco, however, has been very good - the guy even adjusted his clicker wrench for the Lexus correct setting.
Another possible cause of warped rotors is keeping your foot mashed on the brakes after a long fast stop. I always lighten up on the brakes after a stop and let the car inch ahead in small increments while waiting for traffic to move. No hot spots under the pads.
If rotors are smooth and shiny with no ridges, a light sanding may be all they need when you replace pads.
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