How do you bleed master cylinder for 88 b2200?

To bleed the master cylinder on a 1988 Mazda B2200, first, remove the master cylinder reservoir cap and ensure it's filled with brake fluid. Then, use a brake bleeder tool or a helper to pump the brake pedal several times and hold it down. While the pedal is held, open the bleeder valve on the cylinder to allow air and fluid to escape, then close the valve before releasing the pedal. Repeat this process until no more air bubbles are visible in the fluid, ensuring the reservoir remains filled throughout.