Soooooo I think I found a MAJOR PROBLEM

"Cherry_man1" (Cherry_man1) 01/26/2015 at 23:09 • Filed to: Mustang GT, Coyote, 2011, Ford

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With my coyote Mustang.

Ever scene we got it we thought this grinding noise was just the brakes under hard braking cause they were newish....well it turns out thats not the case at all. It could be something a lot worse. like its bad grinding noise slowing from 20-0. Anyoneelse have a Coyote GT or know of this issue?

Captain of the Enterprise > Cherry_man1 01/26/2015 at 23:12

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does the sound come from a particular corner?

Jedidiah > Cherry_man1 01/26/2015 at 23:14

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Is it clunky feeling and does it happen around corners?

Could be differential slop or someone forgot to add limited slip fluid.

Cherry_man1 > Captain of the Enterprise 01/26/2015 at 23:14

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I can feel it through the pedal and it alternates sides

Cherry_man1 > Jedidiah 01/26/2015 at 23:15

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Nope just under braking around corners the trans is holding up fine.

Jedidiah > Cherry_man1 01/26/2015 at 23:17

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Have you checked the pads? A caliper could be sticking.

I've never really heard or something like this and it's hard to diagnose without actually hearing it.

Captain of the Enterprise > Cherry_man1 01/26/2015 at 23:18

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how old are the pads and rotors?

Cherry_man1 > Captain of the Enterprise 01/26/2015 at 23:30

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As far as I know 52k miles

gogmorgo - rowing gears in a Grand Cherokee > Cherry_man1 01/26/2015 at 23:58

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If they're used moderately aggressively, 52,000 miles could be the entire life of the pads and/or rotors. Pop a wheel off, see how thick the pads are and make sure the rotors are smooth.

Cherry_man1 > gogmorgo - rowing gears in a Grand Cherokee 01/27/2015 at 00:08

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Ya I need to but I can't cause I have no where to do it cause of where I live right now.

gogmorgo - rowing gears in a Grand Cherokee > Cherry_man1 01/27/2015 at 00:18

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You may be able to get your hand in there with the wheel on... but how is where you live relevant? Even if you're in a parking lot where maintenance is prohibited, it shouldn't take more than 15 minutes... and if anyone asks just tell them you had a flat tire.

Cherry_man1 > gogmorgo - rowing gears in a Grand Cherokee 01/27/2015 at 00:20

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True, I just have to find my lug key, think its with the others and gotta hope I put the tool back cause it was in the GTS....(Gran Torino Sport)

gogmorgo - rowing gears in a Grand Cherokee > Cherry_man1 01/27/2015 at 00:50

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I used the flat tire excuse once when I was putting a beefier sway bar on my Jeep. When the parking officer asked why I was underneath, I said I thought I noticed a brake fluid leak and was just going over all the connections to make sure they were tight, for safety's sake. Then I started talking about the differences between DOT 3 and DOT 4 brake fluid. His eyes kinda glassed over, and then he asked me to hurry up with the tire and walked away. Obviously that won't always work ;)

Cherry_man1 > gogmorgo - rowing gears in a Grand Cherokee 01/27/2015 at 00:56

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Ya there is a local Oppo but he's about an hour away but there might be closer that I don't know of yet.

GTRZILLAR32-Now saving for Godzilla and a condo > Cherry_man1 01/27/2015 at 01:16

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I know with the Stratus and M3 if I turned full-lock I can get a decent view of the caliper/pads.Try that if jacking it isn't practical.

Meatcoma > Cherry_man1 01/27/2015 at 09:59

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put a glove on and run your finger across the face of the rotor on the inside and out(if you can) make sure it's semi smooth. Small ripples are ok, any large gouges will be a big problem.

Is it only under hard braking?

Cherry_man1 > Meatcoma 01/27/2015 at 10:29

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Ya only under braking does it make that noise