•Refer to the chart on the coolant container to ensure the
coolant concentration in your vehicle will provide adequate
freeze protection at the temperatures in which you drive in the
winter months.
If you drive in extremely hot climates:
• It is still necessary to maintain the coolant concentration
above 40%.
• NEVER decrease the coolant concentration below 40%.
• Decreased engine coolant concentrations below 40% will
decrease the corrosion protection characteristics of the engine
coolant and may cause engine damage.
• Decreased engine coolant concentrations below 40% will
decrease the freeze protection characteristics of the engine
coolant and may cause engine damage.
• Refer to the chart on the coolant container to ensure the
coolant concentration in your vehicle will provide adequate
protection at the temperatures in which you drive.
Vehicles driven year-round in non-extreme climates should use a 50/50
mixture of engine coolant and distilled water for optimum cooling system
and engine protection.
What you should know about fail-safe cooling (2.3L I4 engines
only)
If the engine coolant supply is depleted, this feature allows the vehicle to
be driven temporarily before incremental component damage is incurred.
The “fail-safe ”distance depends on ambient temperatures, vehicle load
and terrain.
How fail-safe cooling works
If the engine begins to overheat:
• The engine coolant temperature
gauge will move to the red (hot)
area.
• The
symbol will illuminate.
• The “Service Engine Soon ”
indicator light will illuminate.
If the engine reaches a preset over-temperature condition, the engine
will automatically switch to alternating cylinder operation. Each disabled
cylinder acts as an air pump and cools the engine.
2004 Ranger (ran)
Owners Guide (post-2002-fmt)
USA English (fus)
Maintenance and Specifications
193
specifications ..................228, 231
Exhaust fumes ..........................100
F
Fail safe cooling ........................193
Fluid capacities .........................225
Foglamps .....................................36
Four-Wheel Drive vehicles .......109 driving off road .......................110
electronic shift ................109 –110
indicator light .........................109
preparing to drive your
vehicle .....................................103
Fuel ............................................194 calculating fuel economy .......199
cap ...........................................196
capacity ...................................225
choosing the right fuel ...........197
comparisons with EPA fuel
economy estimates .................202
detergent in fuel .....................198
filling your vehicle with
fuel ...........................194, 196, 199
filter, specifications ........199, 224
fuel pump shut-off switch .....133
improving fuel economy ........199
octane rating ...................197, 231
quality ......................................198
running out of fuel .................198
safety information relating to
automotive fuels .....................194
Fuel pump shut-off switch .......133
Fuses ..................................134 –135
G
Gas cap (see Fuel cap) ............196 Gas mileage
(see Fuel economy) .................199
Gauges .........................................14
GAWR (Gross Axle Weight
Rating)
calculating ...............................121
GVWR (Gross Vehicle Weight
Rating) calculating ...............................121
H
Hazard flashers .........................133
Headlamps ...................................36 aiming ........................................37
bulb specifications ....................40
daytime running lights .............36
flash to pass ..............................37
high beam .................................37
replacing bulbs .........................41
turning on and off ....................36
Heating heating and air conditioning
system .................................33 –34
Hood ..........................................175
I
Ignition .................................96, 231
Infant seats
(see Safety seats) .......................87
Inspection/maintenance (I/M)
testing ........................................204
Instrument panel cleaning ...................................171
cluster ........................................10
lighting up panel and
interior .......................................37
2004 Ranger (ran)
Owners Guide (post-2002-fmt)
USA English (fus)
Index
241
