2006 Mercury Montego maintenance

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Page 237 of 272

Mercury Montego 2006  Owners Manuals 1. Before you begin, turn the engine off and let it cool.
2. When the engine is cool, wrap a thick cloth around the coolant
pressure relief cap on the coolant reservoir (an opaque plastic bottle).
Slo

Page 238 of 272

Mercury Montego 2006  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 239 of 272

Mercury Montego 2006  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 240 of 272

Mercury Montego 2006  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 241 of 272

Mercury Montego 2006  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 242 of 272

Mercury Montego 2006  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 243 of 272

Mercury Montego 2006  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 244 of 272

Mercury Montego 2006  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