2007 Mercury Montego Owner's Manuals

Page 249 of 280

Mercury Montego 2007  Owners Manuals 8. Add coolant/water mixture
through the thermostat housing
opening until full at housing
opening.
9. Install the thermostat housing
bleed plug. Install metal pin by
pushing into the slot.
After any c

Page 250 of 280

Mercury Montego 2007  Owners Manuals If you have to add more than 1.0 quart (1.0 liter) of engine coolant per
month, have your authorized dealer check the engine cooling system.
Your cooling system may have a leak. Operating an engine wi

Page 251 of 280

Mercury Montego 2007  Owners Manuals •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 contain

Page 252 of 280

Mercury Montego 2007  Owners Manuals Observe the following guidelines when handling automotive fuel:
•Extinguish all smoking materials
and any open flames before
refueling your vehicle.
•Always turn off the vehicle before
refueling.

Page 253 of 280

Mercury Montego 2007  Owners Manuals Refueling
Fuel vapor burns violently and a fuel fire can cause severe
injuries. To help avoid injuries to you and others:
•Read and follow all the instructions on the pump island;
•Turn off your e

Page 254 of 280

Mercury Montego 2007  Owners Manuals If you must replace the fuel filler cap, replace it with a fuel filler
cap that is designed for your vehicle. The customer warranty may
be void for any damage to the fuel tank or fuel system if the
co

Page 255 of 280

Mercury Montego 2007  Owners Manuals Do not be concerned if your engine sometimes knocks lightly. However, if
it knocks heavily under most driving conditions while you are using fuel
with the recommended octane rating, see your authorize

Page 256 of 280

Mercury Montego 2007  Owners Manuals •Theindicator may come on. For more information on the “check
engine” or the “service engine soon” indicator, refer toWarning lights
and chimesin theInstrument Clusterchapter.
ESSENTIALS OF