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For front brake pads replacement you need only usually wrench set, inclusive 7 mm allen key also. But for rear brake pads replacement you need obligatory a special caliper piston pressing tool, in order to press back rear caliper piston with parking brake automatic adjustment!!!
For front brake pads. First you must verify yours front brake disc diameter: 280 mm or 288 mm. (On my car y have 288 mm). After that you can buy the brake pads (with wear sensor). For change front brake pads you must raise vehicle, remove wheels, extract the retaining spring of the caliper, and remove the caliper as follow: 1. Do not disconnect the brake hose from the caliper, and do not allow the caliper to hang by the brake hose! 2. Remove top and bottom caps (on back side of the caliper) for access to guide pins, then unbolt and remove them from the brake carrier. Remove the caliper. 3. Now you must thoroughly clean the brake calipers (free of grease). 4. Remove outer brake pad from brake carrier. 5. Pull inner brake pad out of brake caliper piston. 6. Check up the brake fluid level on the reservor, and emptying if neccessary! 7. Push piston back into brake caliper housing. 8. Install inner brake pad (with expanding spring) in brake caliper piston. (Arrow marked on pad - if exist, must point in direction of brake disc rotation when vehicle is moving forward). 9. Install outer brake pad into brake carrier. 10. Bolt brake caliper housing to brake carrier using two guide pins. Tightening torque is 25 Nm. 11. Install both caps. 12. Insert retaining spring into brake caliper housing. Important: Depress the brake pedal firmly several times while the car is stationary so that the brake pads adjust to their normal operating positions!!! Check brake fluid level and top up if neccessary!!! Please Rate my Response! Thanks!
Use proper sized socket to take out 2 bolts holding caliper on. Lift caliper up to remove. Open brake reservoir top and use old pad and large c-clamp to compress cylinder back in fully. Put squeek-stop on back of new pads and install the way you took them off. Remember where the wear bar on the pad was.Little metal tab on pad. Bolt it back on and you should be good to go. Shouldn't have to bleed system.
Hi the top is not a bolt its a pin
to remove the caliper remove the lower bolt then lift the caliper up till it clears the brake pads and slide the caliper off the pin
when you reinstall lube the top pin and the bottom slide pin
TAKE CARE WHEN REMOVING THE LOWER BOLT THEY BREAK EASY
To change Rear Brake Pads on a 1997 Buick Park Avenue. Remove the bottom bolt on the caliper. The top has a non removable pivot pin. Remove the bolt that holds the brake emergency brake to the frame. Remove the 2 bolts in the rear of the axle plate that hold the caliper in place. (they take a #18 metric socket and you may need a breaker bar to loosen them) With the caliper free from the mount, swing the pad holder up on the top pivot pin and remove the old shoes and replace. Turn the caliper piston clockwise and inboard with a caliper disk brake tool (harbour freight about 19 bucks). Flip the shoe holder part of the caliper back in place and put the assembly back over the rotor. Re install the bolts (blue locktite on the caliper mount bolts and tighten slight snug with breaker bar) retighten the bottom caliper bolt (moderately no locktite)