ASE A1 Engine Repair Practice Test
56. An engine gradually overheats at cruising speeds but returns to normal at idle. Both of the engine's electric cooling fans are functioning correctly. Which of the following is MOST likely causing this condition?
- A. A restriction in the radiator.
- B. A stuck closed fan relay.
- C. A faulty radiator cap.
- D. A leak in the cooling system.
57. An OHC engine has a metallic rapping sound behind the harmonic balancer. Which of the following is causing this noise?
- A. A bad exhaust valve.
- B. A worn camshaft bearing.
- C. A broken valve spring.
- D. A worn crankshaft bearing.
58. A FWD vehicle's steering wheel and dashboard vibrate with the brake pedal applied and the transmission placed into gear. The MOST likely cause of this vibration is:
- A. A clogged catalytic converter.
- B. A faulty fuel injector.
- C. A faulty axle CV-joint.
- D. A broken engine mount.
59. A engine's turbocharger is producing too much boost. Which of the following is MOST likely causing this condition?
- A. A stuck open wastegate.
- B. An intake manifold vacuum leak.
- C. A stuck closed wastegate.
- D. None of the above.
60. Technician A says when replacing a cylinder head to reuse the torque to yield bolts as long as they are cleaned and oiled before they are reinstalled and torqued. Technician B says after removal, a torque to yield bolt always returns to its original length. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B