FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS 2013 12.G Service Manual

R (Reverse)
With the gearshift lever in R (Reverse), the vehicle will move backward.
Always come to a complete stop before shifting into and out of R
(Reverse).
N (Neutral)
With the gearshift lever in N (Neutral), the vehicle can be started and is
free to roll. Hold the brake pedal down while in this position.
D (Overdrive) with tow/haul off
D (Overdrive) with tow/haul off is the normal driving position for the
best fuel economy. The overdrive function allows automatic upshifts and
downshifts through gears one through five.
D (Overdrive) with tow/haul on
The tow/haul feature improves
transmission operation when towing
a trailer or a heavy load. All
transmission gear ranges are
available when using tow/haul.
To activate tow/haul, press the button on the end of the gearshift lever.
The TOW HAUL indicator light will
illuminate in the instrument cluster.
Tow/haul delays upshifts to reduce frequency of transmission shifting.
Tow/haul also provides engine braking in all forward gears when the
transmission is in the D (Overdrive) position; this engine braking will
slow the vehicle and assist the driver in controlling the vehicle when
descending a grade. Depending on driving conditions and load
conditions, the transmission may downshift, slow the vehicle and control
the vehicle speed when descending a hill, without the accelerator pedal
being pressed. The amount of downshift braking provided will vary based
upon the amount the brake pedal is pressed.
Grade braking downshifts occur automatically when all three of the
following occur:
•Positive vehicle acceleration (natural acceleration from driving on a
decline) is sensed.
•Nearly all pressure is released from the accelerator pedal.
•A minimum amount of time has expired since the last grade braking
downshift.
TOW/HAUL ON
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Grade braking downshift mode is immediately exited if the Tow/Haul
mode is deactivated or if the accelerator pedal is depressed beyond a
minimum threshold.
To deactivate the tow/haul feature and return to normal driving mode,
press the button on the end of the gearshift lever. The TOW HAUL light
will no longer be illuminated.
When you shut-off and restart the engine, the transmission will
automatically return to normal D (Overdrive) mode (tow/haul off).
WARNING:Do not use the tow/haul feature when driving in icy
or slippery conditions as the increased engine braking can cause
the rear wheels to slide and the vehicle to swing around with the
possible loss of vehicle control.
3 (Third)
Transmission starts and operates in third gear only.
Used for improved traction on slippery roads. Selecting 3 (Third)
provides engine braking.
2 (Second)
Use 2 (Second) to start-up on slippery roads or to provide additional
engine braking on downgrades.
1 (First)
•Provides maximum engine braking
•Allows upshifts by moving gearshift lever
•The transmission will not downshift into 1 (First) at high speeds; it
will downshift to a lower gear and then shift into 1 (First) when the
vehicle reaches slower speeds.
Forced downshifts
•Allowed in D (Overdrive) with the tow/haul feature on or off
•Press the accelerator to the floor.
•Allows transmission to select an appropriate gear
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Brake-shift interlock
WARNING:To prevent vehicle movement when following this
procedure, park on a level surface, ensure parking brake is set,
and block the rear wheels.
WARNING:If your brake lamps are not working properly or if
you have disconnected the vehicle battery cables, the vehicle
brake lamps and hazard flashers may not properly warn traffic of a
vehicle breakdown or approaching danger, which can increase the risk
of serious injury or death. To minimize the risk of serious injury or
death, be aware of your surroundings, use other hazard signaling
devices if available, and move the vehicle to a safe location away from
traffic as soon as possible.
WARNING:Do not drive your vehicle until you verify that the
brake lamps are working.
WARNING:Always set the parking brake fully and make sure
the gearshift is latched in P (Park). Turn the ignition to the lock
position and remove the key whenever you leave your vehicle.
WARNING:If the parking brake is fully released, but the brake
warning lamp remains illuminated, the brakes may not be
working properly. See your authorized dealer.
The vehicle is equipped with a brake-shift interlock feature that prevents
the gearshift lever from being moved from P (Park) unless the brake
pedal is pressed.
If you cannot move the gearshift lever out of P (Park) position with the
ignition in the 4 (on) position and the brake pedal pressed, a
malfunction may have occurred. It is possible that a fuse has blown or
the vehicle’s brake lamps are not operating properly. Refer toFuses and
relaysin theRoadside Emergencieschapter. If the fuses and brake
lamps are working properly, and the vehicle still will not shift out of (P)
Park, see your authorized dealer for service.
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In an emergency, to disable the malfunctioning brake-shift interlock
feature in order to shift the vehicle from P (Park) follow these steps:
1. Apply the parking brake. Turn key to the lock position, and then
remove the key.
2. Disconnect the negative (black) battery cable from the battery.
3. Insert the key and turn to the off position. Shift to N (Neutral).
4. Reconnect the negative (black) battery cable to the battery.
5. Start the vehicle.
See your authorized dealer for service immediately.
If Your Vehicle Gets Stuck in Mud or Snow
Note:Do not rock the vehicle if the engine is not at normal operating
temperature or damage to the transmission may occur.
Note:Do not rock the vehicle for more than a minute or damage to the
transmission and tires may occur, or the engine may overheat.
If your vehicle gets stuck in mud or snow, it may be rocked out by
shifting between forward and reverse gears, stopping between shifts in a
steady pattern. Press lightly on the accelerator in each gear.
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GENERAL INFORMATION
Note:Occasional brake noise is normal. If a metal-to-metal, continuous
grinding or continuous squeal sound is present, the brake linings may be
worn-out and should be inspected by an authorized dealer. If the vehicle
has continuous vibration or shudder in the steering wheel while braking,
the vehicle should be inspected by an authorized dealer.
Note:Brake dust may accumulate on the wheels, even under normal
driving conditions. Some dust is inevitable as the brakes wear and does
not contribute to brake noise. Refer to theVehicle Carechapter for
wheel cleaning instructions.
Refer to theInstrument Clusterchapter for information on the
brake system warning light.
Wet brakes result in reduced braking efficiency. Gently press the brake
pedal a few times when driving from a car wash or standing water to dry
the brakes.
Brake Over Accelerator
In the event the accelerator pedal becomes stuck or entrapped, apply
steady and firm pressure to the brake pedal to slow the vehicle and
reduce engine power. If you experience this condition, apply the brakes
and bring your vehicle to a safe stop. Turn the engine off, shift to P
(Park) and apply the parking brake, and then inspect the accelerator
pedal for any interferences. If none are found and the condition persists,
have your vehicle towed to the nearest authorized dealer.
Hydraulic brake booster system (Hydroboost or Hydromax)
The Hydroboost and Hydromax systems receive fluid pressure from the
power steering pump to provide power assist during braking.
The Hydromax booster receives backup pressure from the reserve
system electric pump whenever the fluid in the power steering system is
not flowing. When the engine is off, the pump will turn on if the brake
pedal is applied, or if the ignition is turned to the on position.
The sound of the pump operating may be heard by the driver, but this is
a normal characteristic of the system.
The reserve system provides reduced braking power, so the vehicle
should be operated under these conditions with caution, and only to seek
service repair and remove the vehicle from the roadway.
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Note:For Hydromax-equipped vehicles operating under normal
conditions, the noise of the fluid flowing through the booster may be
heard whenever the brake is applied. This condition is normal. Vehicle
service is not required.
If braking performance or pedal response becomes very poor, even when
the pedal is strongly pressed, it may indicate the presence of air in the
hydraulic system or leakage of fluid. Stop the vehicle safely as soon as
possible and seek service immediately.
HINTS ON DRIVING WITH ANTI-LOCK BRAKES
When the system is operating, the brake pedal will pulse and may travel
further. Maintain pressure on the brake pedal. You may also hear a noise
from the system. This is normal.
The ABS will not eliminate the dangers inherent when:
•you drive too closely to the vehicle in front of you.
•your vehicle is hydroplaning.
•you take corners too fast.
•the road surface is poor.
PARKING BRAKE
WARNING:Always set the parking brake fully and make sure
the transmission selector lever is placed in position P. Turn the
ignition to the lock position and remove the key whenever you leave
your vehicle.
Apply the parking brake whenever the vehicle is parked. Press pedal
downward to set the parking brake.
The BRAKE warning lamp in the instrument cluster illuminates when the
ignition is turned on until the parking brake is released.
The parking brake is not recommended to stop a moving vehicle.
However, if the normal brakes fail, the parking brake can be used to stop
your vehicle in an emergency. Since the parking brake applies only the
transmission mounted parking brake assembly, the vehicle’s stopping
distance will increase greatly and the handling of your vehicle will be
adversely affected.
To release the parking brake:
1. Press the foot brake pedal firmly.
2. Pull the parking brake release lever.
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PRINCIPLES OF OPERATION
Cruise control lets you maintain a set speed without keeping your foot
on the accelerator pedal.
USING CRUISE CONTROL
WARNING:Do not use cruise control in heavy traffic or on
roads that are winding, slippery or unpaved.
Note:Vehicle speed may vary momentarily when driving up or down a
steep hill. Apply the brakes if the vehicle speed increases above the set
speed while driving downhill.
Note:Cruise control will disengage if the vehicle speed decreases more
than 10 mph (16 km/h) below your set speed while driving uphill.
The cruise controls are located on
the steering wheel.
Switching On Cruise Control
Press and release ON.
The indicator will turn on in the instrument cluster.
Setting a Speed
1. Accelerate to the desired speed.
2. Press and release SET ACCEL.
3. Take your foot off the accelerator pedal.
R
E
S
S
E
T
A
C
C
E
L
C
OA
S
T
ON
OFF
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Changing the Set Speed
•Press and hold SET ACCEL to increase or COAST to decrease the set
speed. Release the button when you reach the desired speed.
•Press and release SET ACCEL to increase or COAST to decrease. The
set speed will change in approximately 1 mph (2 km/h) increments.
•Press the accelerator pedal or brake pedal until you reach the desired
speed. Press and release SET ACCEL.
Canceling a Set Speed
Tap the brake pedal. The set speed will not be erased.
Resuming a Set Speed
Press and release RES.
Switching Off Cruise Control
Note:The set speed is erased when you turn off cruise control.
Press OFF or turn off the ignition.
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LOAD LIMIT
Vehicle Loading – With and Without a Trailer
This section will guide you in the proper loading of your vehicle and/or
trailer, to keep your loaded vehicle weight within its design rating
capability, with or without a trailer. Properly loading your vehicle will
provide maximum return of vehicle design performance. Before loading
your vehicle, familiarize yourself with the following terms for determining
your vehicle’s weight ratings, with or without a trailer, from the vehicle’s
Safety Compliance Certification Label:
Base Curb Weight– is the weight of the vehicle including a full tank of
fuel and all standard equipment. It does not include passengers, cargo, or
optional equipment.
Vehicle Curb Weight– is the weight of your new vehicle when you picked
it up from your authorized dealer plus any aftermarket equipment.
Cargo Weight– includes all weight added to the Base Curb Weight,
including cargo and optional equipment. When towing, trailer tongue load
weight is also part of cargo weight.
GAW (Gross Axle Weight)– is the total weight placed on each axle
(front and rear) – including vehicle curb weight and all payload.
GAWR (Gross Axle Weight Rating)– is the maximum allowable
weight that can be carried by a single axle (front or rear).These
numbers are shown on the Safety Compliance Certification Label.
The label shall be affixed to either the door hinge pillar,
door-latch post, or the door edge that meets the door-latch post,
next to the driver’s seating position. The total load on each axle
must never exceed its GAWR.
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Note:For trailer towing information refer toTrailer towingfound in
this chapter or theRV and Trailer Towing Guideprovided by your
authorized dealer.
GVW (Gross Vehicle Weight)– is the Vehicle Curb Weight + cargo +
passengers.
GVWR (Gross Vehicle Weight Rating)– is the maximum allowable
weight of the fully loaded vehicle (including all options, equipment,
passengers and cargo).The GVWR is shown on the Safety
Compliance Certification Label. The label shall be affixed to
either the door hinge pillar, door-latch post, or the door edge that
meets the door-latch post, next to the driver’s seating position.
The GVW must never exceed the GVWR.
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