fuel filter FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS 1999 10.G Owners Manual

Cleaning the engine
Engines are more efficient when they are clean because grease and dirt
buildup keep the engine warmer than normal. When washing:
•Take care when using a power washer to clean the engine. The high
pressure fluid could penetrate the sealed parts and cause damage.
•Do not spray with cold water to avoid cracking the engine block or
other engine components.
•Cover the air cleaner and battery to prevent water damage when
cleaning the engine.
•Never wash or rinse the engine while it is running; water in the
running engine may cause internal damage.
Underbody
Flush the complete underside of vehicle frequently. Keep body drain
holes unplugged. Inspect for road damage.
FUEL FILTER REPLACEMENT
The fuel filter assembly is located inside the driver side frame rail, near
the transmission.
The fuel filter should be replaced every 24 000 km (15 000 miles).
Removal
If the fuel filter is being serviced with the rear of the vehicle
higher than the front, or if the fuel tank is pressurized, fuel
leakage or siphoning from the tank fuel tubes could occur. To prevent
this condition, maintain the vehicle front end at or above the level of
the rear of the vehicle.
Do not smoke or carry lighted tobacco or open flame of any type
when working on or near any fuel related component. Highly
flammable mixtures are always present and may be ignited, resulting in
possible personal injury.
Maintenance and care
77

Fuel in the fuel system remains under high pressure even when
the engine is not running. Before servicing or disconnecting any
of the fuel lines or fuel system components, the fuel system pressure
must be relieved in order to prevent accidental spraying of fuel,
causing personal injury or a fire hazard.
1. Shut the engine off and relieve the fuel system pressure.
•Remove the Schrader valve cap
and install the EFI/CFI Fuel
Pressure Gauge. The EFI/CFI
Fuel Pressure Gauge 310–012
(T80L-9974–B) is available at a
certified Ford parts dealer.
•Open the manual valve slowly on
the EFI/CFI Fuel Pressure Gauge
and relieve the fuel pressure. This
will drain some fuel out of the
system; place the fuel in a
suitable container.
2. Use the fuel line disconnect tool
to disconnect the fuel lines from the
fuel filter. The Fuel Line Disconnect
Tool 310–S039 (T90T-9550–S) is
available at a certified Ford parts
dealer.
•Disconnect the safety clip from
the male hose.
Maintenance and care
78

•Install the fuel line disconnect
tool and push into the fitting.
•Separate the fittings. Clean the
fittings and inspect the fittings for
damage.
Installation
1. Install the fuel filter.
2. Lubricate the tube end with clean
engine oil meeting Ford
specification WSS-M2C153–G to
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.
Maintenance and care
79

MOTORCRAFT PART NUMBERS
Component 6.8L V10 engine
Air filter element FA-1634
Battery BXT-65-750
Fuel filter FG-986B
Oil filter FL-820-S
PCV valve EV-233
Spark plugs* AWSF-22E
*Refer to Vehicle Emissions Control Information (VECI) decal for spark
plug gap information.
REFILL CAPACITIES
Fluid Ford Part
NameApplication Capacity
Brake fluid High
Performance
DOT 3 Motor
Vehicle Brake
FluidAll Fill to line on
reservoir
Engine oil
(includes filter
change)Motorcraft
5W-30 Super
Premium Motor
OilAll 5.7L
(6.0 quarts)
Engine coolant
1Premium Engine
CoolantAll 29.0L
(30.6 quarts)
Power steering
fluidMotorcraft
MERCONAT FAll Keep in FULL
range on
dispstick
Rear axle
2Motorcraft SAE
75W140
Synthetic Rear
Axle LubricantDana 80 3.9L
(4.0 quarts)3
Dana 135 11.7L
(12.0 quarts)3
Fuel tank N/A All 284.0L
(75 .0 gallons)
Capacities and specifications
84

Air cleaner filter .........................84
Ambulance packages ....................3
Automatic transmission
driving an automatic
overdrive ...................................29
fluid, refill capacities ................84
fluid, specification ....................87
Axle
lubricant specifications ............87
refill capacities ..........................84
Battery .........................................67
acid, treating emergencies .......67
charging system
warning light ...............................5
jumping a disabled battery ......48
maintenance-free ......................67
replacement, specifications .....84
servicing ....................................67
voltage gauge ............................11
Brakes .....................................25,26
anti-lock ................................25,26
anti-lock brake system
(ABS) warning light ..............8,26
brake warning light ....................5
fluid, checking and adding ......58
fluid, refill capacities ................84
fluid, specifications ..............86,87
lubricant specifications .......86,87
shift interlock ............................28
Break-in period .............................2
Capacities for refilling fluids ......84
Cleaning your vehicle .................76
engine compartment ................77
exterior ......................................77
wheels ........................................76
Coolant ..............................59,61,62
checking and adding ................60
refill capacities .....................61,84
specifications .......................86,87
Dipstick
engine oil ...................................55Doors
door ajar warning .......................9
Driveline universal joint
and slip yoke ...............................67
Driving under special
conditions
through water ...........................33
Emergencies, roadside
jump-starting ............................48
Emission control system ............74
Engine ..........................................87
check engine/
service engine soon light ........6,7
coolant .......................................59
idle speed control .....................67
lubrication specifications ....86,87
refill capacities ..........................84
service points ............................55
Engine block heater ...................23
Engine oil ....................................55
checking and adding ...........55,56
dipstick ......................................55
filter, specifications .............57,84
recommendations .....................57
refill capacities .....................55,84
specifications .............55,57,86,87
Exhaust fumes ............................24
Fail safe cooling ..........................62
Fluid capacities ...........................84
Fuel ..............................................71
calculating fuel economy .........80
capacity .....................................84
choosing the right fuel .............73
comparisons with EPA fuel
economy estimates ...................83
detergent in fuel .......................74
filling your vehicle
with fuel ...............................71,80
filter, specifications .............77,84
gauge .........................................10
improving fuel economy ..........80
low fuel warning light ................4
Index
90

FILLING STATION INFORMATION
Fuel information Unleaded only - 87 octane
Fuel tank capacity 284.0L (75 gallons)
Engine oil (includes filter change) 5.7L (6.0 quarts). Use Motorcraft
5W30 Super Premium Motor Oil,
Ford specification WSS-M2C153-G.
Tire size and pressure Refer to the Certification Label.
Power steering fluid capacity Keep in FULL range on dipstick.
Use Motorcraft MERCONAT F.
Automatic transmission fluid
capacity-4R100
116.8L (17.7 quarts). Use
Motorcraft MERCONAT F.
1Ensure the correct automatic transmission fluid is used. Transmission
fluid requirements are indicated on the dipstick or on the dipstick
handle. MERCONand MERCONV are not interchangeable. DO NOT
mix MERCONand MERCONV. Refer to your Scheduled Maintenance
Guide to determine the correct service interval.
Filling station information
96