SOS MECHANIC CERTIFICATION- BRAKES|COMPLETE STUDY GUIDE WITH HIGH YIELD QUESTIONS AND 100% RIGHT/AUTHENTIC ANSWERS|ALREADY GRADED A |LATEST VERSION 2025

Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? - CORRECT ANSWERS.️️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 ANSWERS.️️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 ANSWERS.️️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 ANSWERS.️️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 ANSWERS.️️A plugged axle Which of the following incorrect service procedures will cause brake lock-up? - CORRECT ANSWERS.️️master cylinder push rod adjusted too long Which of the following describes the proper way to depressurized an ABS system? - CORRECT ANSWERS.️️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 ANSWERS.️️technician use the parking brake to adjust shoes and the cable is stuck When turning brake drums: - CORRECT ANSWERS.️️use a dampening strap to reduce chatter Which of the following is NOT a necessary drum brake measurement? - CORRECT ANSWERS.️️run-out On a 3-channel system, which wheels are on the same circuit? - CORRECT ANSWERS.️️both rear wheels One way to test an ABS wheel speed signal is to use _____ on your digital multimeter. - CORRECT ANSWERS.️️AC volts The key input for the ABS control module comes from the: - CORRECT ANSWERS.️️wheel speed sensors ABS speed sensor and sensor rings: - CORRECT ANSWERS.️️should not be hammered or tapped on and should always be replaced as a matched set Flexible brake hoses should be replaced: - CORRECT ANSWERS.️️when dampness is evident on the hose Which of the following should be used to check for rotor thickness variation: - CORRECT ANSWERS.️️Micrometer After rebuilding a master cylinder, the rod between the master cylinder and booster should be: - CORRECT ANSWERS.️️adjusted properly Upon inspecting brake fluid condition, the technician observes the diaphragm in the master cylinder cup is swollen. Which of the following is the most likely cause? - CORRECT ANSWERS.️️silicone fluid added to the system