Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
6th Edition
ISBN: 9780135257272
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 27, Problem 2CQ
Coolant drained from the cooling system when replacing a thermostat or water pump should be __________.
- a. reused
- b. disposed of properly or recycled
- c. filtered and reinstalled after the repair
- d. poured down a toilet
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Students have asked these similar questions
What should be done to prevent excessive
deposits and buildup within the cooling
system?
Select one:
a. Replace the coolant filter often
b. Flush or replace coolant every year
c. Use cold tap water when mixing
antifreeze and water
d. Use distilled water when mixing
antifreeze and water
An overheating vehicle is being discussed. Technician A states that the vehicle may be overheating becuase the heater control valve is stuck closed. Technician B states that the vehicle may be overheating because the PCM in not energizing the cooling fan relay. Who is correct?
to run
d. both a and b
44. Ifa thermostatic expansion valve's thermal bulb came loose from the suction line at the outlet of the
evaporator, whích of the following could result?
The bulb pressure would increase and the c.
thermostatic expansion valve would
open.
b. The superheat in the evaporator would
decrease.
a.
Liquid refrigerant would flow back to the
compressor.
d.
All of the above are correct.
45. If the thermal bulb assembly develops a leak, what will occur?
All of the system's refrigerant will leak
a.
The valve will open to allow more
c.
refrigerant to flow.
d. It will have no effect on system
operation.
out.
b. The bulb pressure will reduce and the
valve will close.
46. The purpose of an externally equalized thermostatic expansion valve is to
compensate for excessive evaporator
pressure drop
b. allow system to equalize faster
a.
prevent the expansion valve from
frosting up
d.
c.
allow refrigerant to expand in the
compressor
47. The primary function of an expansion device is…
Chapter 27 Solutions
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Ch. 27 - How can a thermostat fail?Ch. 27 - How can a water pump fail, requiring replacement?Ch. 27 - Prob. 3RQCh. 27 - Why must timing belts be replaced?Ch. 27 - Why is it important that the READY light be out on...Ch. 27 - Prob. 1CQCh. 27 - Coolant drained from the cooling system when...Ch. 27 - A water pump can fail to provide the proper amount...Ch. 27 - A defective thermostat can cause the powertrain...Ch. 27 - Intake manifold gaskets on a V-type engine can...
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