Review
Before starting work on any vehicle, it's important to:
a. gather as much information as possible
b. check with the customer
c. check with the shop supervisor
d. raise the vehicle on the lift - correct answer ✔✔a. gather as much information as possible
While listening to a manual transmission vehicle engine as it is idling, the technician notes a loud ticking
noise coming from the upper part of the engine. Which of the following is the most likely cause?
a. a rod knock
b. a worn thrust bearing
c. a collapsed lifter
d. a worn main bearing - correct answer ✔✔c. a collapsed lifter
All of the following cooling system components should be regularly inspected and tested EXCEPT for the:
a. radiator
b. condenser
c. heater core
d. pressure cap - correct answer ✔✔b. condenser
Which of the following is commonly found on vehicles built through the 80s?
a. electric water pumps
b. belt-driven water pumps
c. vacuum-operated windshield wipers
d. draft tubes - correct answer ✔✔b. belt-driven water pumps
, Technician A says that after many miles, oil can accumulate in the induction system. Technician B says
that carbon buildup in the throttle body can make the throttle blade stick closed. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B - correct answer ✔✔c. Both A and B
Technician A says that one way to check for rusty exhaust pipes is to tap the pipes with a ball peen
hammer and listen for a metallic "ring." Technician B says that a missing heat shield from a catalytic
converter could inadvertently start a fire. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B - correct answer ✔✔b. B only
Diesel Exhaust Fluid (DEF) is to be added to a clean diesel vehicle. The cap on the DEF reservoir/bottle is
normally:
a. red
b. blue
c. white
d. yellow - correct answer ✔✔b. blue
A test drive reveals that an electronically controlled automatic transmission equipped vehicle starts out
in second gear. Technician A says to check for DTCs. Technician B says the transmission pan may have to
be drained and removed to replace faulty transmission components. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B - correct answer ✔✔c. Both A and B