See also:

Crankcase Emission Control System
The positive crankcase ventilation system is employed to prevent air pollution caused by blow-by gases being emitted from the crankcase. This system supplies filtered fresh air to the crankcase th ...

HEATING AND VENTILATION
1. Temperature control 2. Air conditioning switch (If Installed) 3. Air intake control switch 4. Air flow control 5. Fan speed control Fan Speed Control This is used to turn the blower fan o ...

If the engine overheats
If your temperature gauge indicates overheating, you experience a loss of power, or hear loud pinging or knocking, the engine is probably too hot. If this happens, you should: 1. Pull off the roa ...