,The tread of a tire is worn in the center and not on the outer shoulders.
Technician A says this is caused by an improper wheel alignment angle.
Technician B says this is caused by an over-inflated tire. Who is correct? - Answer: B
Technician A says that oil should be squirted into all of the cylinders before taking a compression test.
Technician B says that if the compression greatly increases when some oil is squirted into the cylinders,
it indicates defective or worn piston rings.
Which technician is correct? - Answer: B
During a cylinder leakage (leak-down) test, air is noticed coming out of the oil fill opening.
Technician A says that the oil filter may be clogged.
Technician B says that the piston rings may be worn or defective. Which technician is correct? -
Answer: B
Engine mounts were recently replaced on a front wheel drive vehicle with independent suspension. The
vehicle now has a steady pull to the left at all speeds.
Technician A says this is most likely caused by loose motor mounts.
Technician B says this is most likely caused by a misaligned engine cradle.
Who is correct? - Answer: B
A vehicle pulls to the left only while braking.
Technician A says this could be a restricted left front brake line.
, Technician B says this could be a frozen right front caliper. Who is correct? - Answer: B
The headlights get brighter as the engine is revved and RPM's increase.
Technician A says this is caused by a high capacity battery.
Technician B says this is caused by a faulty voltage regulator.
Who is correct? - Answer: B
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 20 ounces.
Technician B says to dismount the tire from the rim and inspect the inside for liquid or debris.
Who is correct? - Answer: B
While performing an oil change the technician notices a red colored fluid leaking between the
transmission and the engine.
Technician A says this is caused by a leaking rear main seal.
Technician B says this is caused by a leaking transmission pump seal. - Answer: B
A rear wheel drive vehicle has a loud clunk when the transmission is placed into gear and a vibration
that increases with vehicle speed.
Technician A says this is caused by loose universal joints.
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