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Are my rear rotors cracked?


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#1 jseabolt

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Posted 31 May 2013 - 12:35 PM

2003 Subaru Baja, 70K miles, pads worn halfway down.

 

So I am at the dump yesterday unloading some trash when the attendant points out I have a cracked rear rotor. HUH?

 

Sure enough there is what appears to be something on the rotors but I can't tell if they are actually cracked or it's some imperfection in the metal. If it is a crack then it's not all the way through the rotor but just on the surface. These marks are on both rear rotors but not the fronts.

 

Some marks appear to be the same shape and size of the brake pad. Such as if the car was parked inside when wet and sat for awhile and the pads stuck to the rotors which has happened.

 

Take a look at these pics. Would these marks indicate a cracked rotor? Notice in the first pic the mark does not run along the entire surface of the rotor. It's more of a gouge.

 

 

2013-05-30_13-30-52_797_zpsc511c663.jpg

2013-05-30_13-34-38_515_zpsec0cb2cd.jpg2013-05-30_13-35-07_501_zps8922c555.jpg


Edited by jseabolt, 31 May 2013 - 12:39 PM.


#2 TechJR

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Posted 31 May 2013 - 02:52 PM

I've seen that frequently and it's usually just like you said; car sat in one position and a little bit of surface rust caused pitting. Keep an eye on it but from the pics it looks like no problem. You'll usually feel the brake pedal pulsing if it's cracked, which is rare on a car.






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