2001 Chevrolet Venture Brake Master Cylinder

You need to bench bleed the master cylinder, install the master cylinder to the brake booster, then install the master cylinder mounting nuts, remove the plugs from the brake pipes, connect the brake pipes to the master cylinder, connect the electrical connector to the brake fluid level sensor, then bleed the hydraulic brake system.

The recommended torque is 32 Nm (24 ft. lbs.).

You need to remove the brake master cylinder, next secure the mounting flange of the brake master cylinder in a bench vise so that the rear of the primary piston is accessible, then clean the outside of the master cylinder reservoir on and around the reservoir cap before removing the cap and diaphragm, and remove the reservoir cap and diaphragm from the reservoir. Then inspect the reservoir cap and diaphragm for any cuts or cracks, nicks, or deformation, and remove the master cylinder reservoir from the master cylinder, next depress the primary piston and remove the piston retainer, and remove the primary piston assembly from the cylinder bore, plug the cylinder inlet ports and the rear outlet port, finally discard the primary piston assembly, the piston retainer, and the seals and seal retainer from the secondary piston.

You should lubricate the new grommets and the grooves in the reservoir, insert the grommets into the grooves in the reservoir, then connect the reservoir to the master cylinder body, drive in the master cylinder reservoir pins to retain the reservoir, and install the master cylinder.

The recommended torque is 29 Nm (21 ft. lbs.).