10. If necessary, add a50/50 mixtureof coolant and distilled water to
the coolant reservoir until the coolant level is at the “cold fill range” as
listed on the reservoir.
After any coolant has been added, check the coolant concentration (refer
toChecking coolantin theOwner’s Guide).If the concentration is not
50/50 (protection to –34°F/–36°C), drain some coolant and adjust the
concentration. It may take several drains and additions to obtain a 50/50
coolant concentration.
Whenever coolant has been added, the coolant level in the coolant
reservoir should be checked the next few times you drive the vehicle. If
necessary, add enough 50/50 concentration of coolant and distilled water
to bring the liquid level to the proper level.
If you have to add more than 1.0 quart (1.0 liter) of coolant per month,
have your dealer check the cooling system. Your cooling system may
have a leak. Operating an engine with a low level of coolant can result in
engine overheating and possible engine damage.
ENGINE SPARK PLUG INTERVAL
To keep your high performance engine operating at peak performance,
the spark plug service interval is every 45,000 miles (72,000 km).
Reference the Motorcraft Part Numbers chart for the specific spark plug
application.
OCTANE RECOMMENDATIONS
Your vehicle is designed to use
“Premium” unleaded gasoline only,
with an (R+M)/2 octane rating of 91
or higher. SVT recommends using
unleaded gasoline with octane rating
of 93 or higher for optimal performance of this vehicle. Recommended
fuel is an important part of the proper maintenance and optimal
performance of this vehicle. The use of gasoline with octane ratings of 91
or lower can lead to severe mechanical damage to your vehicle, may
degrade vehicle performance and may affect your warranty coverage.
Please see the Warranty Guide for complete information.
SVT does not recommend the use of gasoline labeled asPremiumwith
octane ratings of less than 91.
AIR FILTER
Refer toscheduled maintenance informationfor the appropriate
intervals for changing the air filter element.
91(R+M)/2 METHOD
Maintenance and Specifications
25
2010 05+ Mustang(197)
Supplement, 1st Printing
USA(fus)
When changing the air filter element, use only the Motorcraft air filter
element listed. Refer toMotorcraft part numbersin this chapter.
WARNING:To reduce the risk of vehicle damage and/or
personal burn injuries do not start your engine with the air
cleaner removed and do not remove it while the engine is running.
Changing the air filter element
1. Loosen the air filter clamp bolt
enough to allow the air filter to slip
off the air filter housing easily.
2. Slip the air filter off from the air
filter housing.
3. Wipe the air filter housing clean
to remove any dirt or debris.
4. Install the new air filter taking
care not to damage the air filter
element. Align tab on closed end of
filter with notch in air filter housing.
5. Tighten the air filter clamp bolt.
MOTORCRAFT PART NUMBERS
Component 5.4L DOHC Supercharged V8
engine
Air filter element FA-1896
Fuel filter FG-1083
Battery BXT-40-R
Oil filter FL-820S
Spark plugs* AGSF-22FM1
* Refer to Vehicle Emissions Control Information (VECI) decal for spark
plug gap information.
Maintenance and Specifications
26
2010 05+ Mustang(197)
Supplement, 1st Printing
USA(fus)
