Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315


Chapter 50, Problem 3RQ
Textbook Problem

Describe the functions of the hydraulic system combination valve.

Expert Solution
To determine

The function of hydraulic system combination valve.

Explanation of Solution

The new model cars have a combinational valve in their hydraulic system. This valve is a combined unit that contains a metering and proportioning valve with a pressure warning switch. These valves are installed in the braking system to act as warning devices when the pressure of the fluid is below a specified pressure.

The pressure differential valve in the event of hydraulic leaks shuts off the hydraulic circuit and warning light is actuated by the system’s safety switch.

The metering valve is connected with the front brakes. These valves are mainly used with front disc brakes and rear drum brakes. When one applies brakes, the metering valves delays the fluid pressure to the front brakes until the rear drum brakes are forced against the drums...

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Chapter 50 Solutions

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