Fleetwood 1997 Discovery Owner's Manual page 73

Your motor home engine has been designed to conform to
applicable exhaust emission requirements. To meet these
requirements, engine operating temperatures are high. As a
result, the engine and exhaust systems radiate a great deal of
heat.
Engine temperature gauges have been calibrated to indicate a
midrange reading as the "normal" operating temperature. The
reason for this is that many owners perceive 212
0 F. as the
boiling point. However, this is not the case in an engine with a
pressurized cooling system and a coolant mixture of glycol
and water. As a motor home owner, be aware that the gauge is
intended to provide a warning of any rapid change in engine
coolant temperature from the "normal" reading of the gauge
rather than an absolute temperature reading.
DiSCOVERY - CopYRiqHT 1996, Flmwood ENTERPRisES, INC.
All
RiqHTS RESERVEd.
ExliAUST
SYSTEM HEAT
ENGiNE
TEMPERATURE
GAUGES