Repair Test 100% Correct
A - ANSWER-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. Technician B says this is caused by an
unbalanced driveshaft. Who is correct? ("A" "B" or "Both")
A - ANSWER-A technician measures several spots around a brake rotor with an outside
micrometer. Technician A says the technician is checking the rotor for thickness
variation. Technician B says the technician is checking the rotor for lateral runout. Who
is correct? ("A" "B" or "Both")
air pocket - ANSWER-A technician removes and replaces a worn lower radiator hose on
a four cylinder engine. The vehicle overheats after the technician has replaced the hose
and added coolant. Which of these is most likely the cause of this condition?
B - ANSWER-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? ("A" "B" or "Both")
B - ANSWER-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? ("A" "B" or "Both")
B - ANSWER-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? (Letter
only)
B - ANSWER-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? ("A" "B" or
"Both")
B - ANSWER-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? (Letter only)