ASE Maintenance and Light Repair

White colored exhaust is blowing from the tailpipe of a vehicle. Which of the following is correct?

• D. It has a leaking fuel injector.

• A. It has worn piston rings

• B. It has a leaking head gasket.

• C. It has worn valve seals.

An automatic transmission's fluid is pink and milky. Technician A says this is caused by engine overheating. Technician B says the transmission could have been overfilled and the fluid has become aerated. Who is correct?

• A. Technician A

• B. Technician B

• C. Both A and B

• D. Neither A or B

Technician A says fuel filters have an arrow that always points toward the fuel tank. Technician B says a clogged fuel filter will reduce fuel pressure at the fuel rail. Who is correct?

• A. Technician A

• B. Technician B

• C. Both A and B

• D. Neither A or B

_____________________ tire wears the center of its tread.

• A. It is underinflated.

• B. It is overinflated.

• C. There is too much camber.

• D. The coil spring on that wheel is weak.

The role of a stabilizer (anti-sway) bar is to:

• A. prevent vibration.

• B. control body roll.

• C. prevent tire wear.

• D. absorb noise.

Blue exhaust smoke can be caused by:

• A. a clogged air filter.

• B. worn piston rings.

• C. worn main bearings.

• D. a blown head gasket.

An air conditioning system is being charged. Technician A says that R-12 and R-134a can be mixed in a vehicle's system. Technician B says that it is acceptable to release R-134a into the atmosphere. Who is right?

• A. A only B.

• B only

• C. Both A and B

• D. Neither A nor B

A vehicle with power assist brakes has a hard brake pedal with little stopping power. Which of these is the MOST likely cause of this condition?

• A. The brake booster.

• B. The master cylinder.

• C. Air in the system.

• D. Contaminated brake fluid.

A technician is unable to balance a tire on a vehicle that vibrates at speeds above 35 mph. Technician A says to continue adding weights around the rim up to 10 ounces. Technician B says to dismount the tire from the rim and inspect the inside for liquid or debris. Who is correct?

• A. Technician A

• B. Technician B

• C. Both A and B

• D. Neither A or B

A vehicles engine oil should be changed every 3 months or _____miles.

• 7K miles

• 2K miles

• 3K miles

• 10K miles