Replacing a brake caliper is even more difficult than on other model cars. This is for two main reasons. The Bonneville has been discontinued, and the removal and installation process varies for its front and rear calipers.
Tools Used: Tools, Allen/socket wrench, Tire iron, Jack, Pontiac Bonneville caliper, Small rubber pieces, Rubber hose, Replacement gaskets
Removing an Old Caliper
Check the brake fluid level in the master cylinder reservoir. Remove fluid to the midway point between the maximum and minimum levels if the fluid level is above this point.