Chapter 1 The Automobile 17
Fan
Drive
belt
Radiator
hose
Radiator
Radiator
hose
Coolant
expansion
tank
Water pump
Heater core
Heater hoses
Figure 1-16. The cooling system must protect the engine from the heat of combustion. Combustion heat could quickly and easily
melt and ruin many aluminum engine parts. For exhaust cleanliness, the cooling system must also speed engine warm-up and
maintain a constant operating temperature.
Tailpipes
Mufflers Catalytic converters Header pipes
Intermediate pipes
Exhaust
manifolds
Figure 1-17. The exhaust system carries burned gases to the rear of the vehicle. It also reduces engine noise. (Nissan)