How do you replace master cylinder on 2007 Mitsubishi Fuso FE140?

To replace the master cylinder on a 2007 Mitsubishi Fuso FE140, start by safely lifting the vehicle and removing the front wheels for better access. Disconnect the brake lines from the master cylinder, then unbolt and remove the old master cylinder from the brake booster. Install the new master cylinder, reconnect the brake lines, and bleed the brake system to remove any air before testing the brakes. Always consult the vehicle's service manual for specific torque specifications and procedures.