ASE MLR Certification Test Part 1

A flexible rubber brake hose is being inspected. Technician A says that small blisters in the rubber are acceptable as long as they are not leaking. Technician B says that small cracks in the rubber require replacement of the hose. Who is right?

• 0.368 Volts

• A only

• Both A and B

• B only

A grabbing brake condition can be caused by any of these EXCEPT:

• Water in the lubricant

• A restricted cabin filter

• Fluid contaminated brake linings

• Excessive run out in the wheel

Technician A says that disconnecting the negative battery cable may be required to disable the airbag system. Technician B says that a self-powered test light can be used to test air bag system components. Who is right?

• Neither A nor B

• Both A and B

• A only

• B only

The brakes are being bled on a passenger vehicle with a disc/drum brake system. Technician A says that the drums should be removed before bleeding. Technician B says that the fluid in the master cylinder should be kept low during the bleeding procedure. Who is right?

• Both A and B

• A only

• Neither A nor B

• A Radial Ply Tire Pull

Technician A says that a fusible link is designed to electrically open when excessive electrical current is placed on the circuit it is protecting. Technician B says that a fusible link is constructed of the same gauge wire as the circuit it is protecting. Who is right?

• Both A and B

• Neither A nor B

• A only

• Voltage Regulation

A vehicle is being checked for power steering fluid leaks. Technician A says that leaks can develop in the fittings, hoses, and seals. Technician B says that the steering components should be observed for leaks while a helper turns the steering wheel to the right and left. Who is right?

• Neither A nor B

• A only

• B only

• Both A and B

Both front wheels are to be removed from a vehicle. Technician A says that if a floor jack is to be used to raise the vehicle, the vehicle should be supported with jack stands. Technician B says that if an electric lift is to be used to raise the vehicle, jack stands should be placed at the four corners of the vehicle. Who is right?

• A only

• Yellow

• Both A and B

• B only

A driveshaft universal joint is being replaced and the technician cannot install the retaining clip. Technician A says that a dislocated needle bearing could be the cause. Technician B says that a damaged spline in the yoke could be the cause. Who is right?

• Neither A nor B

• A only

• B only

• Yellow

The fuel filter on a fuel-injected vehicle is being replaced. Tech A says the fuel pressure should be relieved before removing the filter. Tech B says that the arrow on the fuel filter should point towards the fuel tank. Who is right?

• Neither A nor B

• A only

• Both A and B

• B only

Which of these best describes the operation of a continuously variable transmission (CVT)?

• A CVT requires frequent oil changes to maintain performance

• Both a and b

• A CVT uses a series of belts and pulleys to provide a single gear ratio

• A CVT can change steplessly through an infinite number of effective gear ratios between maximum and minimum values