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Engine coolant, Checking engine coolant, Maintenance and specifications – FORD 2010 F-150 v.3 User Manual

Page 372

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• If you do not allow the engine to relearn its idle trim, the idle quality

of your vehicle may be adversely affected until the idle trim is
eventually relearned.

• For flexible fuel vehicles, if you are operating on E85, you may

experience poor starts or an inability to start the engine and
driveability problems until the fuel trim and ethanol content have been
relearned.

If the battery has been disconnected or a new battery has been installed,
the clock and radio settings must be reset once the battery is
reconnected.
• 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
automotive batteries.

ENGINE COOLANT

Checking engine coolant

The concentration and level of engine coolant should be checked at the
intervals listed in scheduled maintenance information. The coolant
concentration should be maintained at 50/50 coolant and distilled water,
which equates to a freeze point of -34°F (-36°C). Coolant concentration
testing is possible with a hydrometer or antifreeze tester. The level of
coolant should be maintained at the FULL COLD level or within the
COLD FILL RANGE in the coolant reservoir. If the level falls below, add
coolant per the instructions in the Adding engine coolant section.

Your vehicle was factory-filled with a 50/50 engine coolant and water
concentration. If the concentration of coolant falls below 40% or above
60%, the engine parts could become damaged or not work properly. A
50/50 mixture of coolant and water provides the following:
Freeze protection down to -34°F (-36°C).
Boiling protection up to 265°F (129°C).
Protection against rust and other forms of corrosion.
Proper function of calibrated gauges.

L

E

A

D

RETURN

RECYCLE

Maintenance and Specifications

372

2010 F-150 (f12)
Owners Guide, 3rd Printing
USA
(fus)

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