Brake Master Cylinder for 2000-2005 Chevy Impala 03-05 Monte Carlo 3.8L 3.4L. 2003-2005 Chevrolet Monte Carlo. 2000-2005 Chevrolet Impala. Brake Master Cylinder. Power Brake Booster. Brake Caliper. A4: After replacing a brake booster, it may be necessary to adjust the brake light switch.