Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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1. Remove two-thirds of the brake fluid from the master cylinder. Raise the vehicle and suitably support. 3. Mark the relationship of the wheel to the axle flange. 4. Remove the Wheel. IMPORTANT: Do not use a screwdriver or pry bar to compress the caliper piston into the caliper. Any damage to the piston boot could cause corrosive elements to enter the piston sealing area and lead to the piston seizing in the caliper bore. 5. Using a large C clamp compress the caliper piston into the caliper bore completely. 6. Remove the bottom caliper slide pin. 7. Pivot the caliper body upward. 8. Remove the inboard and outboard pads from the anchor bracket. 1998 Cadillac DeVille V8-4.6L VIN Y 9. Remove and inspect the pad retainers. IMPORTANT: Inspect the caliper bolt suspension boots for cuts, tears, or deterioration. If damaged, replace the pin boots. Refer to “Brake Caliper Bracket Overhaul” in Brake Caliper. Inspect the piston boot for deterioration. If damaged, Refer to “Brake Caliper Overhaul” in Brake Caliper. Inspect the Caliper pin bolt for damage or corrosion. Replace if damaged or corroded. Do Not attempt to clean away corrosion. Corrosion is typically caused by damaged pin boots. INSTALLATION PROCEDURE

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Front Pad Removal Before replacing the pads, inspect the master cylinder to ensure that it has not been topped off before retracting the pistons into the caliper bores. The front brakes are a floating dual-piston caliper type, the pistons are phenolic. The caliper bridge bolts have a guide pin and bolt that attach the caliper to the bracket. Removing the bottom bolt allows the caliper to be pivoted out of the bracket. Using a special piston retractor designed to push evenly on the dual pistons is highly recommended. The pads are retained in the bracket with anti-rattle clips. To release the pad from the clip, there are tabs at the ends of pad that are depressed to release the pad. The pads have noise dampening material attached to the back of the pads. Front Pad Install Inspect the dust boots for damage and replace if necessary. Inspect the guide pins and replace and lubricate if necessary. The boot is to be seated in the grooves of the caliper bracket and guide pin. Install new anti-rattle clips and pads, rotate the caliper and align the flats on the guide pin to the mounting ear of the caliper. Torque the guide pin bolts to 64 Nm (30 ft/lbs). The caliper bracket bolts on this vehicle use high strength thread locker to hold it in place (it is the “red stuff”). Make sure to clean the old thread locker material off the threads with denatured alcohol before putting new thread locker on. The bolts should be tightened to a whopping 129 ft/lbs! Rear Pads Inspect the dust boots for damage and replace the caliper if necessary. Inspect the guide pins and replace and lubricate if necessary. The boot is to be seated in the grooves of the caliper bracket and guide pin. Install new anti-rattle clips and pads rotate the caliper and align the flats on the guide pin to the mounting ear of the caliper. Torque the guide pin bolts to 64 Nm (30 ft/lbs). Like in the front, the rear caliper brackets use thread locker. Make sure to clean threads. Then torque the bolts to 148 ft/lbs. Rotor and Hub Inspection Specifications: Front Brakes

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BRAKE PAD : Removal and Installation of Brake Pad REMOVAL 1. Remove tires from vehicle with power tool. 2. Remove mounting bolt from the top mount. 3. Swing cylinder body open, and remove pads. INSTALLATION 1. Push piston in so that pad is firmly attached and mount cylinder body to torque member. NOTE: Using a commercially available disc brake piston tool, makes it easier to push in the piston. CAUTION: By pushing in piston, brake fluid returns to master cylinder reservoir tank. Watch the level of the
surface of reservoir tank. 2. Apply Molykote M-77 grease to knuckle slide where brake pad contacts. CAUTION:
Do not get grease on the brake rotor friction surface.