overheating Mercury Villager 1998 Owner's Manuals

Under any circumstances, if the pointer moves past the upper
limit of the NORMAL band, the engine is overheating and engine
damage may occur.
If your engine overheats:
1. Pull off the road as soon as it is safely possible.
2. Turn off the engine. If you do not stop the engine as soon as
safely possible, severe engine damage could result.
3. Let the engine cool.DO NOT REMOVE COOLANT SYSTEM
FILL CAP UNTIL THE ENGINE IS COOL.
4. Check the coolant level following the instructions on checking
and adding coolant to your engine, seeEngine coolantin the
Index. If you do not follow these instructions, you or others
could be injured.
5. Refer toAdding Engine Coolantin theMaintenance and Care
chapter. Add as much coolant as your engine needs. If the engine
continues to overheat, have the cooling system serviced.
Speedometer
The speedometer tells you how many miles (kilometers) per hour
your vehicle is moving.
Engine coolant temperature gauge
Instrumentation
19

The electronic cluster has all of the same warning lights as the
mechanical cluster, however, some of the gauges will be electronic
instead of analog. In addition, the electronic cluster has a fuel
computer which displays fuel economy, distance to empty and
outside air temperature.
Engine Coolant Temperature Gauge
This gauge shows you the temperature of the engine coolant and
is identified by a thermometer symbol. The letter H means
that the coolant is hot, C means that it is cold, and NORMAL
means that the coolant is within the normal operating range.
The indicator bar on the graph will move into the normal operating
range as the engine warms up. When you are in heavy traffic
or stop-and-go driving in hot weather, the gauge may read at the
very top of the NORMAL range. This is acceptable.
However, if the indicator bar on the graph moves into the H
(hot) position, the engine is overheating and may be damaged. If
this happens, you should stop your vehicle as soon as safely
possible. Turn off the engine and let it cool. Check the coolant level
to be sure that it is at the proper level. If your vehicle needs
more coolant, seeEngine coolantin the Index and read the section
regardingadding coolant.
Instrumentation
23

Use specially formulated windshield washer fluid rather than
plain water, because specially formulated washer fluids contain
additives that dissolve road grime. For safety reasons,
washer fluids containing an appropriate antifreeze such as
methanol should be used in freezing weather (temperatures below
32É F [0É C]). State or local regulations on Volatile Organic
Compounds (VOCs) may restrict use of the most common
antifreeze, methanol. Washer fluids containing non-methanol
antifreeze agents should be used only if they provide cold weather
protection without damaging the vehicle's paint finish, wiper
blades, and windshield washer system.
Engine Coolant
Checking the Engine Coolant
NOTE: Be sure to read and understandPrecautions When
Servicing Your Vehicleat the beginning of this chapter.
Your vehicle's engine coolant protects the engine from overheating
in the summer and from freezing in the winter. Check the level
of the engine coolant at least once a month, but preferably each time
you stop for fuel. Simply check the coolant reservoir, located in
the engine compartment. The coolant should stay between the MIN
and MAX marks. It will be closer to MAX when the engine is
warm and closer to MIN when the engine is cold. To locate the
coolant reservoir, see the diagram of your vehicle's engine
underEngine Compartmentin theCapacities and Specifications
chapter.
Maintenance and Care
285