Chrysler 1998 Voyager Service Manual page 219

NS COOLING SYSTEM 7 - 5
GENERAL INFORMATION (Continued)
Fig. 7 Cooling Module—3.0L (Front A/C Only)
Fig. 8 Cooling Module—3.0/3.3/3.8L (With Rear A/C)
If the gasket is dirty or damaged, a vacuum
may not be achieved, resulting is loss of coolant
and eventual overheating due to low coolant
level in radiator and engine.
ENGINE BLOCK HEATER
The engine block heater is available as an optional
accessory on all models. The heater is operated by
ordinary house current (110 Volt A.C.) through a
power cord located behind the radiator grille. This
provides easier engine starting and faster warm-up
when vehicle is operated in areas having extremely
Fig. 9 Radiator Pressure Cap Filler Neck
low temperatures. The heater is mounted in a core
hole (in place of a core hole plug) in the engine block,
with the heating element immersed in coolant.