filter FORD MUSTANG 2008 5.G Shelby GT500 Supplement Manual
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Introduction
2
Shelby GT500 unique features
4
Driving your Shelby GT500
8
Alternate calibration 8
Transmission operation 8
Driving through water 9
Ground clearance 9
Washing your vehicle 10
Chassis
11
Lug nut torque 12
Roadside Emergencies
16
Temporary mobility kit 16
Fuses and relays 24
Wrecker towing 25
Maintenance and Specifications
29
Engine oil 30
Air filter(s) 34
Part numbers 35
Refill capacities 36
A word about warranty coverage
40
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including photocopying, recording or by any information storage and retrieval
system or translation in whole or part is not permitted without written
authorization from Ford Motor Company. Ford may change the contents without
notice and without incurring obligation.
Copyright © 2007 Ford Motor Company
Table of Contents
1
2008 05+ Mustang(197)
Supplement
USA(fus)
Page 29 of 40

5.4L DOHC SUPERCHARGED V–8 ENGINE
1. Battery
2. Supercharger
3. Engine oil dipstick
4. Brake fluid reservoir
5. Air Filter Assembly
6. Power Steering Fluid Reservoir
7. Intercooler coolant reservoir
8. Engine coolant reservoir
9. Engine oil filler cap
10. Windshield washer reservoir
11. Power distribution box
12. Auxiliary Fuse Box
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Maintenance and Specifications
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Page 30 of 40

ENGINE OIL RECOMMENDATION
Use Motorcraft SAE 5W-50 full synthetic or an equivalent SAE 5W-50 full
synthetic oil meeting Ford specification WSS-M2C931-B.
Do not use supplemental engine oil additives, cleaners or other engine
treatments. They are unnecessary and could lead to engine damage that
is not covered by Ford warranty.
Change your engine oil and filter according to the appropriate schedule
listed in the Scheduled Maintenance Guide.
ENGINE AND INTERCOOLER COOLANT
The concentration and level of engine coolant should be checked at the
mileage intervals listed in the scheduled maintenance guide. The coolant
concentration should be maintained at 50/50 coolant and water, which
equates to a freeze point of -36°C (-34°F). Coolant concentration testing
is possible with a hydrometer or antifreeze tester (such as the Rotunda
Battery and Antifreeze Tester, 0014–R1060). The level of coolant should
be maintained at the “cold fill range” level in the coolant reservoir. If the
level falls below, add coolant per the instructions in theAdding Engine
Coolantsection.
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 -36°C (-34°F).
•boiling protection up to 129°C (265°F).
•protection against rust and other forms of corrosion.
•an accurate temperature readout from the engine coolant
gauge.
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Maintenance and Specifications
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Page 34 of 40

10. If necessary, add a50/50 mixtureof engine coolant and distilled
water to the engine 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 Engine Coolant). 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 engine 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 engine coolant per
month, have your dealer check the engine 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.
OCTANE RECOMMENDATIONS
Your vehicle is designed to use
“Premium” unleaded gasoline with
an (R+M)/2 octane rating of 91 or
higher for optimum performance.
The use of gasolines with lower
octane ratings may degrade performance. We do not recommend the use
of gasolines labeled as “Premium” in high altitude areas that are sold
with octane ratings of less than 91.
If your engine knocks under most driving conditions while you are using
fuel with the recommended octane rating, see your authorized dealer to
prevent any engine damage.
AIR FILTER
Refer toscheduled maintenance informationfor the appropriate
intervals for changing the air filter element.
When changing the air filter element, use only the Motorcraft air filter
element listed. Refer toMotorcraft part numbersin this chapter.
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.
91(R+M)/2 METHOD
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Maintenance and Specifications
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Page 35 of 40

Changing the air filter element
1. Release the clamps that secure
the air filter housing cover.
2. Carefully separate the two halves
of the air filter housing.
3. Remove the air filter element
from the air filter housing.
4. Wipe the air filter housing and
cover clean to remove any dirt or
debris and to ensure good sealing.
5. Install a new air filter element. Be
careful not to crimp the filter
element edges between the air filter
housing and cover. This could cause
filter damage and allow unfiltered
air to enter the engine if not
properly seated.
6. Replace the air filter housing
cover and secure the clamps.
MOTORCRAFT PART NUMBERS
Component 5.4L DOHC Supercharged V8 engine
Air filter element FA-1807
Fuel filter FG-1083
Battery BXT-40-R
Oil filter FL-820S
PCV valve EV-270
Spark plugs* AGSF-22FM1
* Refer to Vehicle Emissions Control Information (VECI) decal for spark
plug gap information.
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REFILL CAPACITIES
Fluid Ford Part Name Capacity
Brake fluidMotorcraft High
Performance DOT 3
Motor Vehicle Brake
FluidBetween MIN and
MAX lines on reservoir
Engine oil (includes
filter change)Motorcraft 5W-50 Full
Synthetic Motor Oil6.5 quarts (6.1L)
Engine coolant
1
Motorcraft Premium
Engine Coolant
(green-colored) or
Motorcraft Premium
Gold Engine Coolant
(yellow-colored)21.1 quarts (20.0L)
Intercooler coolant
1
Motorcraft Premium
Engine Coolant
(green-colored) or
Motorcraft Premium
Gold Engine Coolant
(yellow-colored)3.96 quarts (3.75L)
(See your authorized
dealer for service)
Power steering fluidMotorcraft
MERCONVATFBetween MIN and
MAX lines on reservoir
Rear axle lubricant
2
Motorcraft SAE
75W-140 High
Performance Synthetic
Rear Axle Lubricant4.25 pints (2.0L)
Fuel tank — 15.7 gallons (59.4L)
Transmission fluid
3MERCONV ATF 6.35 pints (3.5L)4
Windshield washer
fluidUltra-Clear Windshield
Washer Concentrate4.0 quarts (3.8L)
1Add the coolant type originally equipped in your vehicle.2Rear axle lubricants do not need to be checked or changed unless a
leak is suspected, service is required or the axle assembly has been
submerged in water. The axle lubricant should be changed any time the
rear axle has been submerged in water, using SAE 75W-140 High
Performance rear axle lube, meeting Ford specification WSP-M2C102–A.
2008 05+ Mustang(197)
Supplement
USA(fus)
Maintenance and Specifications
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