UNDER HOOD OVERVIEW - MOTORHOME CHASSIS
Engine coolant reservoir. See Engine Coolant Check (page 115).
A
Automatic transmission fluid dipstick. See
Automatic Transmission Fluid
Check (page 119).
B
Engine oil dipstick. See
Engine Oil Check (page 113).
C
Engine compartment fuse box. See
Fuses (page 101).
D
Engine oil filler cap. See
Engine Oil Check (page 113).
E
Brake fluid reservoir. See
Brake Fluid Check (page 121).
F
Power steering fluid reservoir. See
Power Steering Fluid Check (page 123).
G
Air filter assembly. See
Changing the Engine Air Filter (page 114).
H
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ENGINE OIL DIPSTICK
MINA
MAX
B
ENGINE OIL CHECK
To check the engine oil level consistently
and accurately, do the following:
1. Make sure the parking brake is on. Make
sure the transmission is in park (P) or
neutral (N).
2. Run the engine until it reaches normal operating temperature.
3. Make sure that your vehicle is on level ground.
4. Switch the engine off and wait 15 minutes for the oil to drain into the oil
pan. Checking the engine oil level too
soon after you switch the engine off
may result in an inaccurate reading.
5. Open the hood.
6. Remove the dipstick and wipe it with a clean, lint-free cloth. See Under
Hood Overview (page 112).
7. Reinstall the dipstick and remove it again to check the oil level. See Under
Hood Overview
(page 112). 8.
Make sure that the oil level is between
the maximum and minimum marks. If
the oil level is at the minimum mark,
add oil immediately. See
Capacities
and Specifications (page 156).
9. If the oil level is correct, replace the dipstick and make sure it is fully seated.
Note: Do not remove the dipstick when the
engine is running.
Note: If the oil level is between the
maximum and minimum marks, the oil level
is acceptable. Do not add oil.
Note: The oil consumption of new engines
reaches its normal level after approximately
3,000 mi (5,000 km)
.
Adding Engine Oil WARNING: Do not remove the filler
cap when the engine is running.
Do not use supplemental engine oil
additives because they are unnecessary
and could lead to engine damage that may
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Only use oils certified for gasoline engines
by the American Petroleum Institute (API).
An oil with this trademark symbol
conforms to the current engine and
emission system protection standards and
fuel economy requirements of the
International Lubricants Specification
Advisory Committee (ILSAC).
To top up the engine oil level do the
following:
1. Clean the area surrounding the engine
oil filler cap before you remove it.
2. Remove the engine oil filler cap. See Under Hood Overview (page 112).
Turn it counterclockwise and remove
it.
3. Add engine oil that meets our specifications. See
Capacities and
Specifications (page 156). You may
have to use a funnel to pour the engine
oil into the opening.
4. Recheck the oil level.
5. If the oil level is correct, replace the dipstick and make sure it is fully seated.
6. Replace the engine oil filler cap. Turn it clockwise until you feel a strong
resistance.
Note: Do not add oil further than the
maximum mark. Oil levels above the
maximum mark may cause engine damage.
Note: Make sure you install the oil filler cap
correctly.
Note: Soak up any spillage with an
absorbent cloth immediately.
OIL CHANGE INDICATOR
RESET
Resetting the Oil Life Monitoring
System
Only reset the oil life monitoring system
after changing the engine oil and oil filter. To reset the oil life monitoring system do
the following:
1.
Switch the ignition on. Do not start the
engine.
2. Fully press the accelerator and brake pedals at the same time.
3. Keep the accelerator and brake pedals
fully pressed.
4. After three seconds, a message displays confirming the reset procedure
is in progress.
5. After 25 seconds, a message displays confirming the reset procedure is
complete.
6. Release the accelerator and brake pedals.
7. Switch the ignition off.
CHANGING THE ENGINE AIR
FILTER WARNING:
To reduce the risk of
vehicle damage and personal burn
injuries, do not start your engine with the
air cleaner removed and do not remove
it while the engine is running.
Change the air filter element at the proper
interval. See
Scheduled Maintenance
(page 166).
When changing the air filter element, use
only the air filter element listed. See
Capacities and Specifications
(page
152).
Note: Failure to use the correct air filter
element may result in severe engine
damage. The customer warranty may be
void for any damage to the engine if you do
not use the correct air filter element.
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A warning lamp illuminates and
a message may appear in the
information display.
If the engine reaches a preset
over-temperature condition, the engine
automatically switches to alternating
cylinder operation. Each disabled cylinder
acts as an air pump and cools the engine.
When this occurs, your vehicle still
operates, however:
• Engine power is limited.
• The air conditioning system turns off.
Continued operation increases the engine
temperature, causing the engine to
completely shut down. Your steering and
braking effort increases in this situation.
When the engine temperature cools, you
can re-start the engine. Have your vehicle
checked as soon as possible to minimize
engine damage.
When Fail-Safe Mode Is Activated WARNING: Fail-safe mode is for
use during emergencies only. Operate
your vehicle in fail-safe mode only as
long as necessary to bring your vehicle
to rest in a safe location and seek
immediate repairs. When in fail-safe
mode, your vehicle will have limited
power, will not be able to maintain
high-speed operation, and may
completely shut down without warning,
potentially losing engine power, power
steering assist, and power brake assist,
which may increase the possibility of a
crash resulting in serious injury. WARNING:
Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for the cooling system to cool
down. Cover the coolant reservoir cap
with a thick cloth to prevent the
possibility of scalding and slowly remove
the cap. Failure to follow this instruction
could result in personal injury.
Your vehicle has limited engine power
when in the fail-safe mode, drive your
vehicle with caution. Your vehicle does not
maintain high-speed operation and the
engine may operate poorly.
Remember that the engine is capable of
automatically shutting down to prevent
engine damage. In this situation:
1. Pull off the road as soon as safely possible and switch the engine off.
2. If you are a member of a roadside assistance program, we recommend
that you contact your roadside
assistance service provider.
3. If this is not possible, wait a short period for the engine to cool.
4. Check the coolant level. If the coolant level is at or below the minimum mark,
add prediluted coolant immediately.
5. When the engine temperature cools, you can re-start the engine. Have your
vehicle checked as soon as possible to
minimize engine damage.
Note: Driving your vehicle without repair
increases the chance of engine damage.
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Your transmission does not consume fluid.
However, the fluid level should be checked
if the transmission is not working properly,
(i.e., if the transmission slips or shifts
slowly) or if you notice some sign of fluid
leakage. To check the fluid level:
1.
Drive the vehicle 20 mi (30 km) or until
it reaches normal operating
temperature
2. Park the vehicle on a level surface and
engage the parking brake
3. With the engine running, parking brake
engaged and your foot on the brake
pedal, move the gearshift lever through
all of the gear ranges. Allow sufficient
time for each gear to engage
4. Latch the gearshift lever in P (Park) and leave the engine running.
5. Remove the dipstick, wiping it clean with a clean, dry lint free rag. If
necessary, refer to Under Hood
Overview in this chapter for the
location of the dipstick.
6. Install the dipstick making sure it is fully
seated in the filler tube.
7. Remove the dipstick and inspect the fluid level. The fluid should be in the
designated area for normal operating
temperature or ambient temperature.
Do not use supplemental transmission
fluid additives, treatments or cleaning
agents. The use of these materials may
affect transmission operation and result
in damage to internal transmission
components. Low fluid level Do not drive the vehicle if there is no
indication of fluid on the dipstick and the
ambient temperature is above 50°F
(10°C).
Correct fluid level
The transmission fluid should be in this
range if at normal operating temperature
196°F - 215°F (91°C - 102°C).
The transmission fluid should be checked
at normal operating temperature 196°F -
215°F (91°C - 102°C) on a level surface.
The normal operating temperature can be
reached after approximately 20 mi
(30 km) of driving. You can check the fluid
without driving if the ambient temperature
is above 50°F (10°C). However, if fluid is
added at this time, an overfill condition
could result when the vehicle reaches
normal operating temperature
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High fluid level
Fluid levels above the safe range may
result in transmission failure. An overfill
condition of transmission fluid may cause
shift and/or engagement concerns and/or
possible damage. High fluid levels can be
caused by an overheating condition.
Adjusting automatic transmission
fluid levels
Note:
Use of a non-approved automatic
transmission fluid may cause internal
transmission damage. Before adding any
fluid, make sure the correct type is used. The
type of fluid used is normally indicated on
the transmission dipstick and also in the
See Capacities and Specifications (page
152). Add fluid in ½ pint (250 ml) increments
through the filler tube until the level is
correct.
Note:
If an overfill occurs, excess fluid
should be removed by an authorized dealer.
An overfill condition of transmission fluid
may cause shift and/or engagement
concerns and/or possible damage. Do not use supplemental transmission
fluid additives, treatments or cleaning
agents. The use of these materials may
affect transmission operation and result
in damage to internal transmission
components.
Automatic transmission fluid filter
The TorqShift6™ automatic transmission
is equipped with a serviceable transmission
fluid filter located inside the transmission
bottom pan. Refer to the scheduled
maintenance information for service
intervals for the automatic transmission
fluid and transmission filter. For
transmission filter maintenance, see your
authorized dealer.
BRAKE FLUID CHECK
WARNING:
The brake system
could be affected if the brake fluid level
is below the MIN mark or above the MAX
mark on the brake fluid reservoir. WARNING:
Do not use any fluid
other than the recommended brake fluid
as this will reduce brake efficiency. Use
of incorrect fluid could result in the loss
of vehicle control, serious personal injury
or death. WARNING:
Only use brake fluid
from a sealed container. Contamination
with dirt, water, petroleum products or
other materials may result in brake
system damage or failure. Failure to
adhere to this warning could result in the
loss of vehicle control, serious personal
injury or death.
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Hydromax
Chassis with gross vehicle weight ratings
of 20500 pounds (9299 kilograms),
22000 pounds (9979 kilograms), 24000
pounds (10886 kilograms) and 26000
pounds (11793 kilograms) come with
Hydromax Brake Booster Systems. Use
Motorcraft DOT 5.1 Motor Vehicle Brake
Fluid or equivalent meeting Specification
WSS-M6C65-A3. See Capacities and
Specifications (page 156).
Add fluid up to the bottom of the rings at
the top of the reservoir. Do not fill above
this line. •
Use only DOT 5.1 brake fluid certified
to meet our specifications.
• A clear gel-like substance in the
hydraulic brake master cylinder
reservoir could appear on some
vehicles. This substance is a silicone
base lubricant used during assembly
of the master cylinder. It floats on top
of the brake hydraulic fluid in the
master cylinder. This condition is
normal and in no way affects the
operation of the brake system. It does
not require any service.
• Replace brake system fluid on a regular
basis to maintain optimum braking
performance, especially under
heavy-duty driving conditions such as
frequent steep slopes or heavy towing
loads. See
Scheduled Maintenance
(page 166).
Hydroboost
Chassis with gross vehicle weight ratings
of 16000 pounds (7257 kilograms), 18000
pounds (8165 kilograms) and 19500
pounds (8845 kilograms) come with
Hydroboost Brake Booster Systems. Use
Motorcraft DOT 5.1 Motor Vehicle Brake
Fluid or equivalent meeting Specification
WSS-M6C65-A3. See
Capacities and
Specifications (page 156).
Add brake fluid from a clean, unopened
container until the level reaches MAX. Do
not fill above this line. Use only DOT 5.1
brake fluid that is certified to meet our
specifications.
Replace brake system fluid on a regular
basis to maintain optimum braking
performance, especially under heavy-duty
driving conditions such as frequent steep
slopes or heavy towing loads. See
Scheduled Maintenance
(page 166).
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Note:
Battery posts, terminals and related
accessories contain lead and lead
compounds. Wash hands after handling.
Your vehicle is equipped with a
Motorcraft® maintenance-free battery
which normally does not require additional
water during its life of service.
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.
It is recommended that the negative
battery cable terminal be disconnected
from the battery if you plan to store your
vehicle for an extended period of time.
To ensure proper operation of the battery
management system (BMS), any electrical
devices that are added to the vehicle
should not have their ground connection
made directly at the negative battery post.
A connection at the negative battery post
can cause inaccurate measurements of
the battery condition and potential
incorrect system operation.
Note: Electrical or electronic accessories
or components added to the vehicle by the
dealer or the owner may adversely affect
battery performance and durability and may
also affect the performance of other
electrical systems in the vehicle.
When a battery replacement is required,
the battery should only be replaced with
a Ford recommended replacement battery
that matches the electrical requirements
of the vehicle. Note:
Always dispose of automotive
batteries in a responsible manner. Follow
your local authorized standards for disposal.
Call your local authorized recycling center
to find out more about recycling automotive
batteries.
Battery relearn
When the battery is disconnected or a new
battery installed:
• The transmission must relearn its
adaptive strategy. As a result of this,
the transmission may shift firmly. This
operation is considered normal and will
not affect function or durability of the
transmission. Over time the adaptive
learning process will fully update
transmission operation to its optimum
shift feel.
• The clock and the preset radio stations
must be reset once the battery is
reconnected.
• Your vehicle ’s engine is electronically
controlled by a computer, some control
conditions are maintained by power
from the battery, the engine must
relearn its idle and fuel trim strategy.
When the battery is disconnected or a new
battery is installed, begin the battery
relearn process:
1. With the vehicle at a complete stop, set the parking brake.
2. Put the gearshift lever in P (Park), turn
off all accessories and start the engine.
3. Run the engine until it reaches normal operating temperature.
4. Allow the engine to idle for at least one
minute.
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