The newer "N" cars usually wear out the inner pads first.
Once the calipers are removed, you will find that the pads are VERY tight in the caliper bracket.
You need to remove the pads, carefully remove the thin shims, then remove all the rust from under the shims.
Apply some high temp lube or anti seize to the bracket, then install the shim. Apply high temp silicone lube to the pad side of the shim (NOT anti-seize here)
Generously apply the high temp silicone lube to the slider pins while they are out as well.
Then you are ready to fit some new pads.
Very common issue. I use the sandblast cabinet to get the rust out from under the shim, but a flat file works just as well here too.
GM Tech Guild - Grand Master Technician
1969 Chevelle 355/TH350/3.08
2001 HD Sportster 1200
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