Page 2 of 120
Customer assistance 57
Reporting safety defects (U.S. only) 65
Cleaning 66
Maintenance and specifications 67
Engine compartment 68
Engine oil 69
Battery 71
Fuel information 79
Air filter(s) 95
Part numbers 109
Refill capacities 110
Lubricant specifications 112
Index 116
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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
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notice and without incurring obligation.
Copyright © 2003 Ford Motor Company
2004 Motorhome(mot)
Supplement
USA English(fus)
Table of contents
2
Page 7 of 120
Child Safety Door
Lock/UnlockInterior Luggage
Compartment Release
Symbol
Panic AlarmEngine Oil
Engine CoolantEngine Coolant
Temperature
Do Not Open When HotBattery
Avoid Smoking, Flames,
or SparksBattery Acid
Explosive GasFan Warning
Power Steering FluidMaintain Correct Fluid
LevelMAX
MIN
Emission SystemEngine Air Filter
Passenger Compartment
Air FilterJack
Check fuel capLow tire warning
2004 Motorhome(mot)
Supplement
USA English(fus)
Introduction
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Page 68 of 120
IDENTIFYING COMPONENTS IN THE ENGINE COMPARTMENT
6.8L V10 engine
1. Engine coolant reservoir
2. Engine oil filler cap
3. Automatic transmission fluid dipstick
4. Power distribution box
5. Engine oil dipstick
6. Air filter assembly
7. Brake fluid reservoir
8. Power steering fluid reservoir
2004 Motorhome(mot)
Supplement
USA English(fus)
Maintenance and specifications
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Page 70 of 120

2. If the engine oil level is not within the MIN and MAX ranges, add only
certified engine oil of the recommended viscosity. Remove the engine oil
filler cap and use a funnel to pour the engine oil into the opening.
3. Recheck the engine oil level. Make sure the oil level is not above the
MAX mark on the engine oil level indicator (dipstick).
4. Install the indicator and ensure it is fully seated.
5. Fully install the engine oil filler cap by turning the filler cap clockwise
until three clicks can be heard.
To avoid possible oil loss, DO NOT operate the vehicle with the
engine oil level indicator and/or the engine oil filler cap removed.
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 protect your engine’s warranty use
Motorcraft SAE 5W-20 or an equivalent 5W-20 oil meeting Ford
specification WSS-M2C153–H.SAE 5W-20 oil provides optimum fuel
economy and durability performance meeting all requirements for
your vehicle’s engine.
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 according to the appropriate schedule listed in
the scheduled maintenance guide.
Ford production and aftermarket (Motorcraft) oil filters are designed for
added engine protection and long life. If a replacement oil filter is used
that does not meet Ford material and design specifications, start-up
engine noises or knock may be experienced.
2004 Motorhome(mot)
Supplement
USA English(fus)
Maintenance and specifications
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Page 71 of 120

It is recommended you use the appropriate Motorcraft oil filter (or
another brand meeting Ford specifications) for your engine application.
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 temperature climates, check the
battery electrolyte level. Refer to the scheduled maintenance guide for
the service interval schedules.
Keep the electrolyte level in each cell up to the“level indicator”.
Do not overfill the battery cells.
If the electrolyte level in the battery is low, you can add plain tap water
to the battery, as long as you do not use hard water (water with a high
mineral or alkali content). If possible, however, try to only fill the battery
cells with distilled water. If the battery needs water often, have the
charging system checked.
If your battery has a cover/shield, make sure it is reinstalled
after the battery has been cleaned or replaced.
For longer, trouble-free operation, keep the top of the battery clean and
dry. Also, make certain the battery cables are always tightly fastened to
the battery terminals.
If you see any corrosion on the battery or terminals, remove the cables
from the terminals and clean with a wire brush. You can neutralize the
acid with a solution of baking soda and water.
Batteries normally produce explosive gases which can cause
personal injury. Therefore, do not allow flames, sparks or lighted
substances to come near the battery. When working near the battery,
always shield your face and protect your eyes. Always provide proper
ventilation.
2004 Motorhome(mot)
Supplement
USA English(fus)
Maintenance and specifications
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Page 84 of 120

•Separate the fittings. Clean the
fittings and inspect the fittings for
damage.
6. Remove fuel filter.
Installation
1. Install the fuel filter.
2. Lubricate the tube end with clean
engine oil meeting Ford
specification WSS-M2C153–Hto ease
assembly.
•Pull on the fitting to make sure it
is fully engaged, then install
safety clip.
•Align and push the tube into the
fitting until you hear a click.
3. Remove the EFI/CFI Fuel
Pressure Gauge.
4. Install the Schrader valve cap securely.
ESSENTIALS OF GOOD FUEL ECONOMY
Measuring techniques
Your best source of information about actual fuel economy is you, the
driver. You must gather information as accurately and consistently as
possible. Fuel expense, frequency of fill-ups or fuel gauge readings are
NOT accurate as a measure of fuel economy. We do not recommend
taking fuel economy measurements during the first 1,600 km (1,000
miles) of driving (engine break-in period). You will get a more accurate
measurement after 3,000 km–5,000 km (2,000 miles-3,000 miles).
2004 Motorhome(mot)
Supplement
USA English(fus)
Maintenance and specifications
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Page 109 of 120

Follow these guidelines when using snow tires and chains:
•Use only SAE Class S chains.
•Install chains securely, verifying that the chains do not touch any
wiring, brake lines or fuel lines.
•Drive cautiously. If you hear the chains rub or bang against your
vehicle, stop and re-tighten the chains. If this does not work, remove
the chains to prevent damage to your vehicle.
•If possible, avoid fully loading your vehicle.
•Remove the tire chains when they are no longer needed. Do not use
tire chains on dry roads.
•The suspension insulation and bumpers will help prevent vehicle
damage. Do not remove these components from your vehicle when
using snow tires and chains.
MOTORCRAFT PART NUMBERS
Component 6.8L V10 engine
Air filter element FA-1634
Battery BXT-65-750
Fuel filter FG-872
Oil filter FL-820-S
PCV valve EV-270
Spark plugs* AGSF-22W
*Refer to Vehicle Emissions Control Information (VECI) decal for spark
plug gap information.
2004 Motorhome(mot)
Supplement
USA English(fus)
Maintenance and specifications
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REFILL CAPACITIES
Fluid Ford Part
NameApplication Capacity
Brake fluid Motorcraft High
Performance
DOT 3 Motor
Vehicle Brake
FluidAll Fill to line on
reservoir
Engine oil
(includes filter
change)Motorcraft SAE
5W-20 Premium
Synthetic Blend
Motor Oil (US)
Motorcraft SAE
5W-20 Super
Premium Motor
Oil (Canada)All 5.7L (6.0
quarts)
Engine coolant
1Motorcraft
Premium Gold
Engine Coolant
(yellow-colored)All 29.0L (30.6
quarts)3
Power steering
fluidMotorcraft
MERCONAT FAll Keep in FULL
range on
dispstick
Rear axle
2Motorcraft SAE
75W-140
Synthetic Rear
Axle LubricantDana 80 3.9L (4.0
quarts)
Dana S135 and
Dana S14511.7L (12.0
quarts)
Fuel tank N/A All 284.0L (75 .0
gallons)
Transmission
4Motorcraft
MERCONAT FAll 16.8L (17.7
quarts)5
Parking brake
assemblyMotorcraft
MERCONAT FAll Fill to bottom of
fill plug hole
2004 Motorhome(mot)
Supplement
USA English(fus)
Maintenance and specifications
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