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Rotor with a grove in it

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Old May 4, 2009 | 10:53 AM
  #1  
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Mudding
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Default Rotor with a grove in it

Hi all,
There is a problem with one of my rotor/pad set ups and I was wondering if someone could help me diagnose whats wrong and how to correct it. I have slotted and dimpled EBC rotors (about 30,000 on them) with EBC greenstuff pads (just put new ones on about 4000 miles ago). Yesterday I was pulling into the mall when I heard a terrible grinding sound and felt the brake pedal fighting me. I got out and looked over the situation in which I found out that I had a grove in the passenger rear rotor. I have posted a picture below of what it looks like. Does anyone know why this is happening? I want to fix it but I dont want to go replacing the pads and rotors when they possibly arent the route of the problem. Could my caliper be off in some way? Please get back to me with some suggestions. Thanks.

Also, if this is just a mishap, I wanted to know if I could just replace the pads and still use the rotors. They have plenty of meat still on them and would rather not shell out the 200 for new ones. Thanks.
 
Attached Thumbnails Rotor with a grove in it-land-rover-rotor.jpg  

Last edited by starcraft; May 4, 2009 at 11:12 AM.
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Old May 4, 2009 | 11:26 AM
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Pull the wheels on both sides and see if they have the same amount of pad life left.
Let us know what you find.
 
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Old May 4, 2009 | 11:30 AM
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Yes I would say you need to pull the wheel and get a better look, there is something not right.
 
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Old May 4, 2009 | 02:07 PM
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And then send us another post and picture regarding what you found. Part of the problem may include a failing caliper and if that is the case, you will need to overhaul/replace both sides to keep the truck from pulling in the future when braking.
 
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Old May 4, 2009 | 02:30 PM
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Originally Posted by starcraft
Yesterday I was pulling into the mall when I heard a terrible grinding sound and felt the brake pedal fighting me. I got out and looked over the situation in which I found out that I had a grove in the passenger rear rotor.
This is a simple (but may be painful) fix - DON'T GO BACK TO "THAT" MALL!!!

and remember kids its...

One Nation Under A Groove
 
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Old May 4, 2009 | 04:34 PM
  #6  
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Mudding
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Hey all,
I went outside and found that the passenger side brake pads are worn oddly. From the pictures you can see that the one side of them is worn all the way down (hence the scraping on the rotor) while the other has a lot of meat on it. I also checked the other side of the truck and both of the rear brake pads on that side have plenty of meat on them. Soo, does this mean that my caliper is broken? Could it be that I didnt seat the pads correctly when I did the last pad change? Please help!!!

Also, (when it rains it poors) I went to take off the drivers side caliper and I stripped the bolt. Now I cant get the pads out on that side even if I tried. Is there anything that would help me get it off. Thanks.
 
Attached Thumbnails Rotor with a grove in it-dsc09045.jpg   Rotor with a grove in it-dsc09046.jpg  
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Old May 4, 2009 | 05:10 PM
  #7  
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Yes you need a new caliper, it is not releasing when you let off the brake pedal and that pad worn down to nothing and then the metal on metal grooved your rotor.
 
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Old May 5, 2009 | 09:53 AM
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Either rebuild both front calipers or replace them, using some rebuilts from Rover Connection. As I mentioned before, you need to do both sides to prevent pulling.
What are you going to do about that rotor?
Make sure to do a full 3 pint DOT 4 brake fluid change.
 
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Old May 5, 2009 | 09:37 PM
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Thanks for the replies. Is replacing the calipers something that an amateur can do? Ive changed the brake pads, and am pretty handy but I would rather not get in over my head. Also, what does rebuilding the calipers entail. Is there a kit somewhere that I can get?

As for your question about the rotor Mike, I was going to try to use it again if its still good. Would this be a problem?

Thanks
 
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Old May 6, 2009 | 11:38 AM
  #10  
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The rotors are rebuildable, kits are available if you are feeling you want to do this.
 
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