Pages 2–5 (4 pages)

Introduction and Master Cylinder Operation

From the 1949 GM Moraine Delco Brake Service Bulletin

Models
Delco hydraulic brakes on GM cars 1936-1949; Chevrolet passenger cars, 1/2, 3/4, 1 1/2-ton and C.O.E. trucks
Publication
Bulletin 17 D-3
Pages
28

Introduction to the Delco hydraulic brake system, a general description of master and wheel cylinders, and how the master cylinder works: compensating port, primary and secondary cups, check valve and residual line pressure, with operation and exploded view figures.

What this section covers

  • Complete hydraulic brake system
  • General description and operation
  • Master cylinder detailed operation
  • Compensating function
  • Importance of cleanliness
Loading manual…