Section 1 · Pages 8–14 (7 pages)

Fundamentals of Operation

From the 1974 Certified Disc Brake Service Manual

Models
Disc brakes on American and imported cars and light trucks, 1965–1974
Pages
56

How disc brakes stop a car and why most cars use discs in front and drums at the rear. It describes the proportioning, residual check and metering valves of a combination system, then the caliper, shoes, disc, pistons and seals. Fixed caliper designs from Bendix, Budd, Delco-Moraine and Kelsey-Hayes are compared, followed by floating caliper brakes and the two-piston Ford truck caliper made by Dayton.

What this section covers

  • Advantages of disc brakes over drum brakes
  • Combination system valves
  • Caliper, shoes, disc, pistons and seals
  • Bendix, Budd, Delco-Moraine and Kelsey-Hayes fixed calipers
  • Floating caliper operation
  • Ford truck two-piston caliper
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