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I just finished doing rear brakes on my 2007 Milan (Fusion) at 30,000 miles. Awful early in my book for rear brakes, the right side was grinding the backing plate into the rotor.

While the right sides (both inner and outer) were completely worn, the left sides look to have about half of the original material left (both inner and outer).

$64,000 question. Why the uneven wear on the rear brakes right to left.

FYI - I bought Raybestos Advanced Technology ceramic replacement pads from Rock Auto.
 

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Just a guess on my part not seeing it but i's say something is sticking.either the caliper piston or the slides
 

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I just finished doing rear brakes on my 2007 Milan (Fusion) at 30,000 miles. Awful early in my book for rear brakes, the right side was grinding the backing plate into the rotor.

While the right sides (both inner and outer) were completely worn, the left sides look to have about half of the original material left (both inner and outer).

$64,000 question. Why the uneven wear on the rear brakes right to left.

FYI - I bought Raybestos Advanced Technology ceramic replacement pads from Rock Auto.
Wiz...I don't have an answer, just wanted to say "Glad to see you here!"
 

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I agree with the others,
either the left side isn't grabbing, or the right side isn't releasing.

I know, I have a perchant for stating the obvious. Unfortunately, I don't know the answer to your problem.

As Cuda said.... welcome aboard!
:)
 

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While the right sides (both inner and outer) were completely worn, the left sides look to have about half of the original material left (both inner and outer).

$64,000 question. Why the uneven wear on the rear brakes right to left.
This may be irrelevant, but I recall a similar issue with the Freestyle's, 500's and Taurus', Ford had TSB 07-5-9 for it.

I have attached it for your perusal.
 

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I just finished doing rear brakes on my 2007 Milan (Fusion) at 30,000 miles. Awful early in my book for rear brakes, the right side was grinding the backing plate into the rotor.

While the right sides (both inner and outer) were completely worn, the left sides look to have about half of the original material left (both inner and outer).

$64,000 question. Why the uneven wear on the rear brakes right to left.

FYI - I bought Raybestos Advanced Technology ceramic replacement pads from Rock Auto.
It is possible that your rear rubber brake line on that side has failed. Ponitac had this problem on the Grand Prix's . The lines looked just fine from the out side but when we took them off and tried to blow shop air threw them....no way no how could we make air push threw them.
I would check them...if one is bad...the other will most likely to follow. So replace both if you find and issue. Also...check your the front ones too. I was glad I did on that Pontiac...I had issues with them too.
Next would be a sticky caliper. You can by replacements already loaded with pads for reasonable price.
 

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Parking brake adjustment, sticking piston in a caliper, slider pins sticking. caliper not sliding on mount. Just some thoughts. Look at the oposite front brakes for the same patern. The master cylinder provides pressure to one front brake and the opposite side rear brake for each section of the duel master cylinder. IOf the return hole, or pressure relief hole in the master cylinder, gets blocked with dirt or debre that section of the brakes (one front and the opposite rear brake) will be held on with pressure. The pressure is often gradually released and makes this a difficult problem to fiind. The rear brake emergency or parking brake release spring can lose its tension and not allow the brake to be released fully. More thoughts. Let us know what you find.
 
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