6 – COOLING SYSTEM
89
Piston Engine Fundamentals
TC010-05-01S
REVIEW EXERCISE 8
Fill in the words that correctly complete these sentences. Check your answers with the
answer key on page 91.
1. Coolant lowers the freezing point of water and ______________________ the boiling
point.
2. The _____________________ helps the engine warm up by restricting coolant flow
until a certain temperature is reached.
Use the water pump illustration below to complete the following two items.
3. Item in this illustration is the _______________________.
4. Item in this illustration is the _______________________.
5. Which of these symptoms would you expect to find in an engine that has a failing
water pump? More than one answer may be correct.
A. overheating
B. noisy tappets
C. hard starting
D. gasoline fumes