Drum brake systems - Study guides, Class notes & Summaries

CDL Air Brakes (Section 5) Questions and Answers 100% Pass What makes air brakes work? Compressed air. What are the three braking systems? Service brake, parking brake, emergency brake What does the service brake do? Applies and releases the brakes when you use the brake pedal during normal driving. What does the parking brake do? Applies and releases the parking brake when you use the parking brake control What does the emergency brake do? Uses parts of the service and parki...

Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? Sealed non-serviceable to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: drop slightly and remain firm You are installing a set of brake shoe linings that are not the same length. Traditionally, the primary shoe lining is: Smaller and goes towards the f...

What brake fluids are compatible with DOT 5.1? DOT 3 and DOT 4 What causes the red brake warning light to come on? Low brake fluid, parking brake, pressure differential, brake lamp switch What component will cause the rear brakes to come on harder with heavy load? Height sensing proportioning valve What is the valve called that slows down the application of the front brakes? Metering valve What kind of brakes use a residual check valve in the master cylinder? All...

Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? Sealed non-serviceable to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: drop slightly and remain firm You are installing a set of brake shoe linings that are not the same length. Traditionally, the primary shoe lining is: Smaller and goes towards the f...

Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? Sealed non-serviceable to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: drop slightly and remain firm You are installing a set of brake shoe linings that are not the same length. Traditionally, the primary shoe lining is: Smaller and goes towards the f...

CDL Air Brakes Test Questions and Answers 100% Pass To test air service brakes you should: Brake firmly while slowly moving forward The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks falls below ____ psi 60 If your vehicle has an alcohol evaporator, every day during cold weather you should: Check and fill the alcohol level All air brakes equipped vehicles have: A supply pressure gauge The most common type of found...

Aumt Brake Final Exam |Complete Questions with Graded A+ Answers Tech A says that parking brakes on drum brake vehicles use separate brake shoes for backup in an emergency. Tech B says that parking brakes on drum brake vehicles mechanically operate the standard drum brake shoes. Who iscorrect? Tech B Which of these drum brake systems uses servo action in both directions? Duo-servo drum brake systems Tech A says that brake shoe linings saturated with brake fluid from a leaky wheel cy...

Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? Sealed non-serviceable to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: drop slightly and remain firm You are installing a set of brake shoe linings that are not the same length. Traditionally, the primary shoe lining is: Smaller and goes towards the f...

ASE (Entry level technician prep) - Brakes A5 Topics for the A5 test include: Hydraulic, Power Assist, and Parking Brake Systems Diagnosis and RepairDrum Brake Diagnosis and RepairDisc Brake Diagnosis and RepairElectronic Brake Control Systems (ABS, TCS, ECS) Diagnosis and Repair. A5 Question 1 The brake pedal is low and spongy; all brake adjustments have been completed according to specifications. The cause of the problem could be: A) Binding pedal linkage. B)Dented brake line. ...

Aumt Brake Final Exam |Complete Questions with Graded A+ Answers Tech A says that parking brakes on drum brake vehicles use separate brake shoes for backup in an emergency. Tech B says that parking brakes on drum brake vehicles mechanically operate the standard drum brake shoes. Who iscorrect? Tech B Which of these drum brake systems uses servo action in both directions? Duo-servo drum brake systems Tech A says that brake shoe linings saturated with brake fluid from a leaky wheel cy...