SOS Mechanic Certification- Brakes Exam with correct Answers

SOS Mechanic Certification- Brakes Exam with correct Answers Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? - CORRECT Answer 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: - CORRECT Answer 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: - CORRECT Answer Smaller and goes towards the front of the car. A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: - CORRECT Answer a hard pedal feel requiring very high pedal effort to stop A mechanic finds gear lube inside both rear brake drums on a rear wheel drive vehicle. What is the most likely cause of this problem? - CORRECT Answer A plugged axle Which of the following incorrect service procedures will cause brake lock-up? - CORRECT Answer master cylinder push rod adjusted too long Which of the following describes the proper way to depressurized an ABS system? - CORRECT Answer Pump the brake pedal at least 25 times (or more, depending on the manufacturer's recommendation) with the ignition off. The rear brakes are dragging after having new linings installed and the drums machined. the most likely cause is the: - CORRECT Answer technician use the parking brake to adjust shoes and the cable is stuck When turning brake drums: - CORRECT Answer use a dampening strap to reduce chatter Which of the following is NOT a necessary drum brake measurement? - CORRECT Answer run-out On a 3-channel system, which wheels are on the same circuit? - CORRECT Answer both rear wheels One way to test an ABS wheel speed signal is to use _____ on your digital multimeter. - CORRECT Answer AC volts The key input for the ABS control module comes from the: - CORRECT Answer wheel speed sensors