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Home >> Oldsmobile >> 1997 >> Cutlass V6-191 3.1L VIN M SFI >> Repair and Diagnosis >> Brakes and Traction Control >> Disc Brake System >> Brake Caliper >> Service and Repair >> Replacement

Replacement

REMOVE OR DISCONNECT
1. Remove 2/3 of brake fluid from master cylinder assembly.
2. Raise vehicle and suitably support. Mark relationship of wheel to hub and bearing assembly, to insure proper wheel balance upon reassembly.
3. Tire and wheel assembly. Reinstall two wheel nuts to retain rotor to hub and bearing assembly.





4. Push piston into caliper bore to provide clearance between linings and rotor. Install a large C-clamp over the top of the caliper housing and against the back of the outboard pad. Slowly tighten C-clamp until piston is pushed into the caliper bore enough to slide the caliper assembly off rotor. An alternate method used to compress the caliper piston is to use a large adjustable pliers to compress piston when caliper has been removed from rotor and is supported as shown.
5. Bolt attaching inlet fitting only when caliper is to be removed from vehicle for unit repair (overhaul). If only brake pads are being replaced, there is no need to disconnect inlet fitting. Plug exposed inlet fitting into caliper housing and brake hose to prevent fluid loss and contamination.

Caliper Mounting:





6. Caliper mounting bolts and sleeve assemblies.

Disc Brake Caliper Assembly:








7. Caliper from rotor and caliper bracket. Do not let caliper hang from brake hose. Damage may occur. If the caliper assembly is not being removed from the vehicle for unit repair, suspend the caliper with a wire hook from the strut as shown. Inspect Mounting bolts and sleeve assemblies for corrosion. Bushings for cuts or nicks. If damage to either part is found, replace with new parts when installing caliper. Do not attempt to polish away corrosion.

INSTALL OR CONNECT
1. Liberally coat inside diameter of bushings with silicone grease.
2. Mounting bolts and sleeve assemblies.
3. Caliper over rotor on to caliper bracket. Tighten Mounting bolt and sleeve assemblies to 51 Nm (38 ft. lbs.).
4. Inlet fitting, if removed. Tighten Inlet fitting to 50 Nm (37 ft. lbs.).
5. Remove wheel nuts securing rotor to hub and bearing assembly.
6. Wheel and tire, aligning previous marks.
7. Lower the vehicle.
8. Torque wheel nuts.
9. Fill master cylinder to proper level with clean brake fluid. Bleed brake system if inlet fitting was removed. Recheck fluid level. Recheck brake pedal feel. If brake "Spongyness" is present. Testing and Inspection
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