SOS Mechanic Certification- Brakes Exam Questions And Answers

SOS Mechanic Certification- Brakes Exam Questions And Answers Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheels? - ANS 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: - ANS 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: - ANS Smaller and goes towards the front of the car. A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: - ANS 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? - ANS A plugged axle Which of the following incorrect service procedures will cause brake lock-up? - ANS master cylinder push rod adjusted too long Which of the following describes the proper way to depressurized an ABS system? - ANS 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: - ANS technician use the parking brake to adjust shoes and the cable is stuck When turning brake drums: - ANS use a dampening strap to reduce chatter Which of the following is NOT a necessary drum brake measurement? - ANS run-out On a 3-channel system, which wheels are on the same circuit? - ANS both rear wheels