Cracked and crystallized brake pads on 2003 Chevrolet Trailblazer

I recently had the brake pads replaced at a local shop. The manager said that the inside pads on each rotor were cracked / crystallized due to high temperature. He said that all four callipers were failing by not always releasing from the rotors fully. I find this odd because the rotors were in good shape and did not require resurfacing. Is this a case that all four callipers are bad, or is this the result of old or cheap pads previously installed or something else? I purchased the vehicle used 6 months ago so I don't know the service history. The vehicle currently has 102,000 miles on it. The brakes always worked okay and only recently started squeeking before I had the pads changed.

by in Marietta, GA on September 21, 2010
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1 answer 1 comment
ANSWER by , September 22, 2010
Hi First does it pull when braking? If yes replace front calipers otherwise I would replace with a good quality brake pad for that vehicle. Could be driver error with a lot of fast stops and city driving causing the cracked pads also. Let me know. RJ
COMMENT by , September 22, 2010
The vehicle brakes straight as an arrow no pull at all. There is no sign of any lock up anywhere.