Q: replacing rear brake pads on 2002 Buick LeSabre

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There is only one bolt on the caliper to remove. The other pin is not a bolt. Is this model made such that once the removable bolt is removed that the caliper can then be tilted to remove the pads? The other question I have is,is the piston the type that can be compressed using a C clamp or is it the screw type needing a special tool? Thanks for you help
(2) Answers
here a repair guide for your buick and looks like its the piston style caliper
Remove the lower bolt, rotate the caliper upward, take out pads etc, rotate down,
grease caliper bolt with high temp silicon and reinstall.