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If rib tire is used on front axle and lug or off-road type on rear axle
positions:
1.Front (Steering) Axle:Replace tires at front wheels when tread is
worn to 4/32 inch (3 mm) or less.
2.Rear Axles:Tires must be removed when the tread is worn to
2/32 inch (2 mm) or less. Tires identified with the word “re-groovable”
molded on the sidewall can be re-grooved. A minimum of 3/32 inch
(2.5 mm) of under-tread must be left at the bottom of the grooves.
Wheel and tire balancing
Out-of-round or out-of-balance wheels or tires can cause vehicle
vibration, bounce and shimmy. Replace damaged or out-of-round wheels.
Out-of-round tires and wheel assemblies can be corrected by re-clocking
the tire relative to the wheel.
The tire and wheel assembly should then be dynamically balanced.
Wear
Radial tires can exhibit three types of normal wear patterns:
1. Even
2. Erosion
3. Chamfer
Even wearis a sign that the tire is being properly used and maintained.
Erosion wearhas also been called rolling wear, channel or river wear.
Erosion wear is found more often at free rolling tires. This is an
indication that the tire is being used in a slow wearing operation. What
happens is that the belt plies are held very rigid and the tread is not
allowed to distort as it passes through the contact area. Wear only occurs
at the edge of the tread. No corrective action required. If erosion gets to
be 1/16 inch (2 mm) or more, the tire may be rotated to a drive axle.
Chamfer or shoulder wear,with tires inflated properly, is a normal
tendency of most radial tire designs. If both inside and outside shoulders
are wearing evenly around the tire, no further action is required.
Over-inflation is not effective in correcting this effect.
Tires: Irregular Wear
If irregular wear is present, check the axle alignment, tire pressure,
wheel balancing, shock and suspension component condition, and wheel
bearing end play.
This condition not only shortens tire life, but adversely affects the
handling of your vehicle, which is dangerous.
Maintenance and Specifications
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Engine drivebelt routing
6.8L V10 engine with A/C
6.8L V10 engine - without A/C
VEHICLE IDENTIFICATION NUMBER (VIN)
The VIN is printed on the Vehicle Rating Decal attached to the vehicle
on the edge of the driver’s door or B-Pillar. The VIN also serves as the
warranty number. If you ever find it necessary to communicate with Ford
Motor Company about your vehicle, always include the VIN in your
communication.
Maintenance and Specifications
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Daily owner checks
U.S. Department
of Transportation,
Federal Highway
Administration
requirements
(ensure that the
entire system is
functioning
properly)Service brakes
Parking brake
Steering mechanism
Lighting devices and reflectors
Tires
Horn
Windshield wipers
Rear vision mirrors
Wheels and rims
Emergency equipment
Every oil change
EngineInspect engine cooling system hoses, clamps and
protection.*
Inspect drive belts.
Exhaust systemInspect entire exhaust system (including the inlet
pipe(s), muffler(s), outlet pipe(s), clamps and
fasteners) for holes, leakage, breakage, corrosive
damage and separation from other components.
Adjust, service or replace with the same or the
equivalent part. (Also a noise emission control
service.)
SuspensionTighten the front and rear spring U-bolts to the
specified torque.
Driveline and rear
axleLubricate the U-joints and the slip yoke.
Scheduled Maintenance Guide
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Maintenance intervals
ON-HIGHWAY - 60,000 MILES (96,000 KM) OR MORE ANNUALLY
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 15 30 45 60 75 90 105 120 135 150
Kilometers (x 1,000) 24 48 72 96 120 144 168 192 216 240
Months 3 6 9 12 15 18 21 24 27 30
Engine
Engine oil and filter - change (diesel engine) Refer to manufacturer’s recommendation
Engine oil and filter - change (gasoline engine) Every 7,500 miles (12,000 km) or 6 months
Engine coolant - check level••••••••••
Engine coolant - check freeze-protection and additive
strength (corrosion inhibitor) (diesel engine)••••••••••
Extended life engine coolant - add extender (diesel
engine)Refer to manufacturer’s recommendation
Extended life engine coolant - replace (diesel engine) Refer to manufacturer’s recommendation
Engine coolant - replace (gasoline engine) Initial change at 6 years or 100,000 miles (160,000 km)
(whichever occurs first); every 3 years or 50,000 miles
(80,000 km) thereafter
Engine air filter - inspect (gasoline engine)••••••••••
Engine air filter - replace (gasoline engine)•••••
Replace spark plugs••
Inspect accessory drive belt(s) Inspect at 100,000 miles (160,000 km) and 120,000 miles
(192,000 km); replace at 150,000 (240,000 km) miles if not
replaced in the last 100,000 miles (160,000 km)
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ON-HIGHWAY - 60,000 MILES (96,000 KM) OR MORE ANNUALLY
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 165 180 195 210 225 240 255 270 285 300
Kilometers (x 1,000) 264 288 312 336 360 384 408 432 456 480
Months 33 36 39 42 45 48 51 54 57 60
Engine
Engine oil and filter - change (diesel engine) Refer to manufacturer’s recommendation
Engine oil and filter - change (gasoline engine) Every 7,500 miles (12,000 km) or 6 months
Engine coolant - check level••••••••••
Engine coolant - check freeze-protection and additive
strength (corrosion inhibitor) (diesel engine)••••••••••
Extended life engine coolant - add extender (diesel
engine)Refer to manufacturer’s recommendation
Extended life engine coolant - replace (diesel engine) Refer to manufacturer’s recommendation
Engine coolant - replace (gasoline engine) Initial change at 6 years or 100,000 miles (160,000 km)
(whichever occurs first); every 3 years or 50,000 miles
(80,000 km) thereafter
Engine air filter - inspect (gasoline engine)••••••••••
Engine air filter - replace (gasoline engine)•••••
Replace spark plugs•••
Inspect accessory drive belt(s) Inspect at 100,000 miles (160,000 km) and 120,000 miles
(192,000 km); replace at 150,000 (240,000 km) miles if not
replaced in the last 100,000 miles (160,000 km)
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CITY - 60,000 MILES (96,000 KM) OR FEWER ANNUALLY
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 10 20 30 40 50 60 70 80 90 100
Kilometers (x 1,000) 16 32 48 64 80 96 112 128 144 160
Months 3 6 9 12 15 18 21 24 27 30
Engine
Engine oil and filter - change (diesel engine) Refer to manufacturer’s recommendation
Engine oil and filter - change (gasoline engine ) Every 5,000 miles (8,000 km) or 6 months
Engine coolant - check level••••••••••
Engine coolant - check freeze-protection and additive
strength (corrosion inhibitor) (diesel engine)••••••••••
Extended life engine coolant - add extender (diesel
engine)Refer to manufacturer’s recommendation
Extended life engine coolant - replace (diesel engine) Refer to manufacturer’s recommendation
Engine coolant - replace (gasoline engine) Initial change at 6 years or 100,000 miles (160,000 km)
(whichever occurs first); every 3 years or 50,000 miles
(80,000 km) thereafter
Engine air filter - inspect (gasoline engine)••••••••••
Engine air filter - replace (gasoline engine)•••
Replace spark plugs•
Inspect accessory drive belt(s) Inspect at 100,000 miles (160,000 km) and 120,000 miles
(192,000 km); replace at 150,000 (240,000 km) miles if not
replaced in the last 100,000 miles (160,000 km)
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CITY - 60,000 MILES (96,000 KM) OR FEWER ANNUALLY
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 110 120 130 140 150 160 170 180 190 200
Kilometers (x 1,000) 176 192 208 224 240 256 272 288 304 320
Months 33 36 39 42 45 48 51 54 57 60
Engine
Engine oil and filter - change (diesel engine) Refer to manufacturer’s recommendation
Engine oil and filter - change (gasoline engine) Every 5,000 miles (8,000 km) or 6 months
Engine coolant - check level••••••••••
Engine coolant - check freeze-protection and additive
strength (corrosion inhibitor) (diesel engine)••••••••••
Extended life engine coolant - add extender (diesel
engine)Refer to manufacturer’s recommendation
Extended life engine coolant - replace (diesel engine) Refer to manufacturer’s recommendation
Engine coolant - replace (gasoline engine) Initial change at 6 years or 100,000 miles (160,000 km)
(whichever occurs first); every 3 years or 50,000 miles
(80,000 km) thereafter
Engine air filter - inspect (gasoline engine)••••••••••
Engine air filter - replace (gasoline engine)•••
Replace spark plugs••
Inspect accessory drive belt(s) Inspect at 100,000 miles (160,000 km) and 120,000 miles
(192,000 km); replace at 150,000 (240,000 km) miles if not
replaced in the last 100,000 miles (160,000 km)
Scheduled Maintenance Guide
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SEVERE SERVICE - ON/OFF ROAD IN DIRTY CONDITIONS OR 20,000 MILES (32,000 KM) OR FEWER
ANNUALLY
(Miles, kilometers or months - whichever occurs first)
Miles (x 1,000) 55 60 65 70 75 80 85 90 95 100
Kilometers (x 1,000) 88 96 104 112 120 128 136 144 152 160
Months 33 36 39 42 45 48 51 54 57 60
Engine
Engine oil and filter - change (diesel engine) Refer to manufacturer’s recommendation
Engine oil and filter - change (gasoline engine) Every 5,000 miles (8,000 km) or 3 months (see note at end of
table regarding alternate schedule)
Engine coolant - check level••••••••••
Engine coolant - check freeze-protection and additive
strength (corrosion inhibitor) (diesel engine)••••••••••
Extended life engine coolant - add extender (diesel
engine)Refer to manufacturer’s recommendation
Extended life engine coolant - replace (diesel engine) Refer to manufacturer’s recommendation
Engine coolant - replace (gasoline engine) Initial change at 6 years or 100,000 miles (160,000 km)
(whichever occurs first); every 3 years or 50,000 miles
(80,000 km) thereafter
Engine air filter - inspect (gasoline engine)••••••••••
Engine air filter - replace (gasoline engine)••
Replace spark plugs•
Inspect accessory drive belts(s) Inspect at 100,000 miles (160,000 km) and 120,000 miles
(192,000 km); replace at 150,000 (240,000 km) miles if not
replaced in the last 100,000 miles (160,000 km)
Scheduled Maintenance Guide
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