How do you replace brake booster and master cylinder on 1998 Chrysler concord?

To replace the brake booster and master cylinder on a 1998 Chrysler Concord, first disconnect the negative battery terminal and remove the vacuum line from the brake booster. Next, unbolt the brake master cylinder from the booster and detach the brake lines, taking care to catch any fluid. Remove the mounting bolts for the brake booster from the firewall, then carefully pull it out. Install the new components by reversing the removal process, ensuring all connections are secure and bleeding the brake system to remove any air.