2000 GMC C3500 Clutch Master Cylinder

You should remove the push rod, using J36221, remove the clutch line, separate the clutch line, remove the tube clips and rotate the master cylinder body 45 degrees clockwise.

You should position the master cylinder to the cowl panel, install the master cylinder by holding it at a 45-degree angle and rotating it counterclockwise, connect the hydraulic tube, install the tube clips, secure the push rod to the clutch pedal and check the reservoir to ensure the oil level is at the full level.