ASE G1 Questions and Answers 100% Pass

ASE G1 Questions and Answers 100% Pass Technician A says that when pressure testing a radiator cap, a special adapter is needed. Technician B says the best way to check thermostat operation is while it is in the engin ...

ASE G1 Questions and Answers 100% Pass Technician A says that when pressure testing a radiator cap, a special adapter is needed. Technician B says the best way to check thermostat operation is while it is in the engine. Who is right? ✔✔Tech A A technician is checking resistance in an engine's spark plug wires using an ohmmeter. A general rule is to replace a wire if resistance is over: ✔✔30,000 ohms Technician A says that in an ignition system, the voltage supplied to the coil during starting is battery voltage. Technician B says the coil uses electromagnetic induction to create high voltage. Who is right? ✔✔Both techs A front wheel drive vehicle with an automatic transaxle has excessive vibration. Technician A says that the vibration could be caused by worn engine/transaxle mounts. Technician B says that the vibration could be caused by a misaligned engine/transaxle subframe. Who is right? ✔✔Both techs A technician suspects that a faulty camshaft sensor causes a driveability complaint. The sensor is equipped with a three-wire connector. What type of sensor is this? ✔✔a Hall effect type All of the following can cause a problem in the Hydro-boost system EXCEPT: A. loose power steering pump belt B. leaking power steering hoses C. low power steering pump pressure D. leaking check valve ✔✔D Technician A says that if a wire is getting too hot, it's a sign of higher-than-normal current flowing through. Technician B says the wire would heat up if some of the individual strands are broken inside the wire insulation. Who is right? ✔✔Both techs Technician A says electrical connectors can be disconnected with the ignition switch ON, as long as the technician is using a ground strap. Technician B says when welding on a vehicle, the technician needs to use a static wrist strap. Who is right? ✔✔Neither Technician A says the thermostat maintains maximum engine operating temperature. Technician B says if the engine continuously runs hot, install a cooler thermostat. Who is right? ✔✔Neither A vehicle equipped with a MacPherson strut suspension is in the repair shop for new tires and an alignment. The technician noticed that the vehicle has some play in the lift-side inner tie-rod. What should the technician tell the customer? A. It is not a problem that will affect alignment. B. He can align the front end, but the tie-rod should be replaced soon C. The inner tie-rod needs to be replaced before an alignment can be performed D. He can set the vehicle alignment to compensate for the play in the inner tie-rod ✔✔C. An engine is losing coolant, yet has no external leaks. Technician A says to run the engine and see if there is white smoke out of the exhaust. Technician B says to find out if the engine's emission system uses a catalytic converter before running the test above. Who is right? ✔✔both LED bulbs can remain effective for up to how long depending on the size of the bulb and the conditions to which the bulb is exposed? ✔✔15000 hours All of the following should be performed during a preliminary transmission inspection EXCEPT: A. check transmission fluid level B. visually check wiring and electrical connections C. check the condition of the filter D. check for fluid leaks ✔✔C A smeary film on the windshield is an indication of: A. evaporator core leak B. water valve leak C. heater core leak D. restricted drain hose ✔✔C Technician A says that all power should be removed from a circuit before testing the circuit with an ammeter. Technician B says that all power should be removed from a circuit before testing the circuit with an ohmmeter. Who is right? ✔✔Tech B A rear wheel drive vehicle with a one-piece driveshaft has excessive driveshaft vibration during low speed acceleration. Which of the following is the MOST likely cause? A. binding U-joints B. excessive driveshaft runout C. driveshaft out of balance D. improper driveshaft angle ✔✔D When replacing an integral hub/bearing assembly on a front wheel drive vehicle, all of the following must be removed EXCEPT: A. brake rotor B. brake caliper C. steering knuckle D. wheel ✔✔C The warning light on a vehicle with an anti-lock brake system lights when the vehicle is started. When the vehicle is moving, the light stays on. Which of the following could be the cause? A. mis-adjusted wheel sensor B. bad air release solenoid C. blown fail-safe monitor fuse D. bad warning light relay ✔✔A. The driver of a vehicle with hydraulic brakes says the brake pedal is extremely hard when stopping. Technician A says the problem could be in the power assist system. Technician B says the problem is most likely a weak or broken brake shoe return spring. Who is right? ✔✔Tech A Technician A says that DOT 3 brake fluid has a higher boiling point than DOT 4 brake fluid. Tehcnician B says that DOT 5 brake fluid should not be used in a vehicle with ABS. Who is right? ✔✔Tech B Technician A says Diesel Exhaust Fluid (DEF) has no affect on vehicle performance. Technician B says a high-rate battery discharge test is the same as a load test. Who is right? ✔✔Tech B All of the following are procedures for removing air from a hydraulic system EXCEPT: A. bench bleeding B. power bleeding C. manual bleeding D. vacuum bleeding ✔✔A A vehicle is leaking hydraulic fluid from a brake line. Technician A says a short splice can be used to repair the line. Technician B says if the line has not drained the master cylinder, the system does not need to be bled. Who is right? ✔✔Neither A vehicle w/ hydraulic brakes has been diagnosed with contaminated brake fluid. Of the following, what would be the proper procedure in the repair process? A. Repair the system and manually bleed with fresh brake fluid. B. Repair the system and flush with fresh brake fluid C. Repair the system and top-off with fresh brake fluid. D. None of the above ✔✔B. Technician A says the pressure differential switch activates a light on the dash warning the driver of a brake fluid pressure loss. Technician B says the combination valve activates a light on the dash warning the driver of a brake fluid pressure loss. Who is right? ✔✔Both techs All of these could cause tire wear if not within manufacturer's specifications EXCEPT: A. Caster B. wheel balance C. toe-in D. Camber ✔✔A The ball joints on a MacPherson strut suspension are being replaced. Technician A says that the coil spring compressor should be installed before separating the control arm and spindle. Technician B says that the wheel alignment should be checked after the ball joints have been replaced. Who is right? ✔✔Tech B Technician A says that a vehicle with a TPMS can be identified by looking for a TPMS indicator on the instrument panel during the Key On Engine Off bulb check. Technician B says that all vehicles with TPMS have metal tire valve stems and this feature can be the identifier. Who is right? ✔✔Tech A A vehicle suspension system is being checked for radial and axial tolerances. Technician A says the ball joints should be checked. Technician B says the idler arm should be checked. Who is right? ✔✔A A vehicle has a noise coming from the power steering pump. Technician A says that a loose belt could be the cause. Technician B says that air in the system could be the cause. Who is right? ✔✔Both Technician A says maintenance-free batteries have a built-in hydrometer which can give you an indication of the battery's overall condition. Technician B says since a maintenance-free battery is sealed, it should be checked using a test light. Who is right? ✔✔Neither Technician A says that lubricant can be used to help seat a tire on a wheel rim. Technician B says that if necessary, it is OK to exceed the maximum tire pressure rating to seat the bead, as long as the pressure is reduced immediately afterward. Who is right? ✔✔Tech A Technician A says that all vehicles with strut-type front suspension require that the strut is removed to replace the front coil springs. Technician B says that the coil spring should be compressed before removal from an SLA front suspension. Who is right? ✔✔B Which of the following causes for ball joint replacement could also require steering knuckle replacement? A. torn dust boot B. worn ball and socket C. wear indicator below surface D. broken ball stud ✔✔D All of the following are true statements regarding tapered wheel bearings EXCEPT: A. the bearings and outer races must be replaced as an assembly B. they must be adjusted after installation C. Used bearings must be reinstalled on their original races D. They are mostly used on drive axles ✔✔D Technician A says an indirect measurement Tire Pressure Monitoring System uses wheel speed sensors to measure tire pressure. Technician B says a direct measurement TPMS uses tire pressure sensor to measure tire pressure. Who is right? ✔✔Tech B Tire cupping is MOST likely caused by which of the following? A. worn shock absorbers B. wheel imbalance C. loose tie-rod ends D. all of the above ✔✔D Tech A says a noisy alternator could be caused by a bad diode. Tech B says a noisy alternator could be caused by a worn bearing. Who is right? ✔✔both Which setting on a digital multimeter is used to check resistance? A. millivolt B. milliamp C. ohms D. voltage ✔✔C Voltage drop tests are used to locate: A. low resistance B. shorts C. opens D. high resistance ✔✔D When testing computer-controlled systems, a Digital Multimeter should be used with an output impedance of at least: A. 10k ohms B. 100k ohms C. 1 Megaohm D. 10 Mega Ohm ✔✔D Tech A says a Digital Graphing Multimeter can be used to view electronic wave forms. Tech B says GMMs can be used to view vehicle-specifice information displayed on screen. Who is right? ✔✔Both techs A vehicle has experienced a charging problem. A tech inspected the charging system, found loose alternator mounting bolts, and tightened them. Afterwards, the vehicle performed OK. Tech A says the problem might have been a slipping belt. Tech B says the problem might have been poor grounding of the alternator. Who is right? ✔✔Both techs A horn is inoperative. Tech A says in order to repair the horn switch; the Supplemental Restraint System should be disabled. Tech B says to check for voltage at the relay. Who is right? ✔✔Both techs A wiper motor is not operating. However, when the linkage is disconnected, the motor operates OK. Tech A says the problem could be a bad relay. tech B says the problem is MOST likely binding linkage. Who is right? ✔✔Tech B Tech A says that a test light is a good diagnostic tool for testing general lighting circuits and grounds, but should not be used on solid-state electronic circuits. Tech B says that a selfpowered test light is a good diagnostic tool for testing voltage sources. Who is right? ✔✔Tech A A windshield washer system is being checked. Fluid is spraying from the nozzle on the passenger side, but not on the driver's side. Of the following answers, what is the most likely cause? A. blown fuse B. no voltage at the pump C. low fluid level D. kinked or blocked hose ✔✔D Tech A says that if a wire is getting too hot, it is a sign of higher-than-normal current flowing through the wire. Tech B says the wire would heat up if some of the individual strands were broken inside the wire insulation. Who is right? ✔✔Both techs Starting system voltage drop tests are used to locate: A. low resistance B. shorts C. opens D. high resistance ✔✔D Cooling system pressure is maintained by the use of the: A. fan clutch B. water pump C. thermostat D. radiator cap ✔✔D Tech A says that when checking charging system voltage output, all electrical accessories should be on. Tech B says when checking charging system voltage output, the reading should be around 18 volts. Who is right? ✔✔Neither Tech A says that pink colored transmission fluid is evidence of fluid aeration. Tech B says that pink colored transmission fluid is caused by coolant contamination. Who is right? ✔✔Tech B The driver notices a clear fluid dripping from the underside of his vehicle with the engine running and the A/C on. Tech A says this is refrigerant over flow. Tech B says the dripping will stop after the A/C system is shut off. Who is right? ✔✔Tech B There is liquid leaking into the passenger compartment from the evaporator. Tech A says a leaking heater core could be the problem. Tech B says a clogged evaporator drain could be the problem. Who is right? ✔✔Both techs A customer is complaining of insufficient air flow through the vents when the A/C is turned on. Tech A says that the problem could be a clogged cabin air filter. Tech B says the problem could be a short at the blower motor. Who is right? ✔✔Tech A