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 21, Problem 4CQ
Water pumps __________.
- a. only work at idle and low speeds and are disengaged at higher speeds
- b. use engine oil as a lubricant and coolant
- c. are driven by the engine crankshaft or camshaft
- d. disengage during freezing weather to prevent radiator failure
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Match the correct advantage with the fluid power system.
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a. A dry sump system stores oil in a
tank outside of the engine.
b. A wet sump system uses a
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C. The wet sump system is the best fit
during aggressive driving conditions.
d. The dry sump system is the best fit
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Explain briefly
1. Valve lag
2. intake lag
Chapter 21 Solutions
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Ch. 21 - What is normal operating coolant temperature?Ch. 21 - Explain the flow of coolant through the engine and...Ch. 21 - Why is a cooling system pressurized?Ch. 21 - Describe how to diagnose a heater problem.Ch. 21 - What are 10 common causes of overheating?Ch. 21 - What diagnostic trouble code (DTC) could be set if...Ch. 21 - Prob. 2CQCh. 21 - What type of pump is a water pump? a. Positive...Ch. 21 - Water pumps __________. a. only work at idle and...Ch. 21 - Which statement is true about thermostats? a. The...
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