2003 Mercury Grand Marquis Owner's Manuals

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Mercury Grand Marquis 2003  Owners Manuals Engine oil and filter recommendations
Look for this certification
trademark.
Use SAE 5W-20 engine oil.
Only use oils “Certified For Gasoline Engines” by the American
Petroleum Institute (API). To

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Mercury Grand Marquis 2003  Owners Manuals BATTERY
Your vehicle is equipped with a
Motorcraft maintenance-free battery
which normally does not require
additional water during its life of
service.
However, for severe usage or in high temperatur

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Mercury Grand Marquis 2003  Owners Manuals When lifting a plastic-cased battery, excessive pressure on the
end walls could cause acid to flow through the vent caps,
resulting in personal injury and/or damage to the vehicle or battery.
Lift the

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Mercury Grand Marquis 2003  Owners Manuals •Always dispose of automotive
batteries in a responsible manner.
Follow your local authorized
standards for disposal. Call your
local authorized recycling center
to find out more about recycling
aut

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Mercury Grand Marquis 2003  Owners Manuals When the engine is cold, check the
level of the engine coolant in the
reservoir.
•The engine coolant should be at the “cold fill level” or within the “cold
fill range” as listed on the engin

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Mercury Grand Marquis 2003  Owners Manuals Note:Use of Motorcraft Cooling System Stop Leak Pellets, VC-6, may
darken the color of Motorcraft Premium Gold Engine Coolant from
yellow to golden tan.
•Do not add/mix an orange-colored, extended l

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Mercury Grand Marquis 2003  Owners Manuals 4. When you are sure that all the pressure has been released, use the
cloth to turn it counterclockwise and remove the cap.
5. Fill the coolant reservoir slowly with the proper coolant mixture (see
ab

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Mercury Grand Marquis 2003  Owners Manuals Severe climates
If you drive in extremely cold climates (less than –36° C [–34° F]):
•It may be necessary to increase the coolant concentration
above 50%.
•NEVER increase the coolant concent