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Need new pads and rotors or just pads?

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How do I know if the rotors need replaced along with my pads (both original with 49K miles). On other cars I know rotors typically last a couple sets of pads.

The rotors would tell you if they needed to be replaced.

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Rotors normally last through about two sets of pads. The best thing to do is measure their thickness with a set of measuring calipers. (You can find inexpensive ones at Sears, Harbor Freight, etc.) The minimum thickness is stamped on the side of the rotor "hat". It can be hard to find. Look for it close to the wheel mounting surface in a dot-matrix font after the part number - "MIN TH xx MM".

In your case, I believe that the minimum thickness of your front rotors is 26mm (28mm new - 2mm of allowable wear). The rear wear limit should be 22mm (24mm new - 2mm wear).


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