Grand Prix V6-191 3.1L VIN M SFI (1998)
4. Install the caliper bolts (1 and 3). Use a screwdriver in order to push the boot over the shoulder of the caliper bolt. Ensure that the boot is securely
in the groove of the caliper bolt.
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Tighten the caliper bolts (1 and 3) to 43 Nm (32 ft. lbs.).
IMPORTANT: Replace the copper gaskets.
5. Install the brake hose bolt.
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Tighten the brake hose bolt to 44 Nm (32 ft. lbs.).
6. Remove the wheel nuts securing the rotor to the hub and bearing.
7. Install the tires and the wheels. Align the previous marks on the wheel and the hub and bearing.
8. Lower the vehicle.
9. Fill the master cylinder to the proper level with clean brake fluid.
10. Bleed the entire brake system. Refer to Brake Bleeding.
11. Apply approximately 778 N (175 lb) of force to the brake pedal three times in order to seat the pads against the rotor. Inspect the hydraulic brake
system for brake fluid leaks.
Brake Caliper Overhaul (Front)
Disassembly Procedure
1. Remove the caliper.
CAUTION: Do not place fingers in front of the caliper piston(s) in an attempt to catch or protect it when applying compressed air. The piston(s)
can fly out with force and could result in serious bodily injury.
NOTICE: Use clean cloths to pad interior of caliper housing during piston removal. Use just enough air to ease the pistons out of the bores. If the
pistons are blown out, even with the padding provided, it may be damaged.
2. Remove the piston. Blow compressed air into the caliper inlet hole. The piston will come out through the piston boot.
3. Inspect the piston for the following conditions:
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Scoring
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Nicks
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Corrosion
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Worn or damaged chrome plating Replace the piston if any of the above conditions are found.
4. Remove the caliper boot. Do not scratch the housing bore.
