suspension LINCOLN NAVIGATOR 2007 User Guide

•A final example for your vehicle with 1400 lb. (635 kg) of cargo and
luggage capacity. You and one of your friends decide to pick up
cement from the local home improvement store to finish that patio
you have been planning for the past 2 years. Measuring the inside of
the vehicle with the rear seat folded down, you have room for 12-100
lb. (45 kg) bags of cement. Do you have enough load capacity to
transport the cement to your home? If you and your friend each weigh
220 lb. (99 kg), the calculation would be: 1400 – (2 x 220) –
(12 x 100) = 1400 – 440 – 1200 = – 240 lb. No, you do not have
enough cargo capacity to carry that much weight. In metric units, the
calculation would be: 635 kg — (2 x 99 kg) — (12 x 45 kg) = 635 —
198 — 540 = —103 kg. You will need to reduce the load weight by at
least 240 lb. (104 kg). If you remove 3-100 lb. (45 kg) cement bags,
then the load calculation would be:
1400 – (2 x 220) – (9 x 100) = 1400 – 440 – 900 = 60 lb. Now you
have the load capacity to transport the cement and your friend home.
In metric units, the calculation would be: 635 kg — (2 x 99 kg) —
(9 x 45 kg) = 635 — 198 — 405 = 32 kg.
The above calculations also assume that the loads are positioned in your
vehicle in a manner that does not overload the Front or the Rear Gross
Axle Weight Rating specified for your vehicle on the Safety Compliance
Certification Label found on the edge of the driver’s door.
Special loading instructions for owners of pickup trucks and
utility-type vehicles
For important information regarding safe operation of this type
of vehicle, see thePreparing to drive your vehiclesection in
theDrivingchapter of this owner guide.
Loaded vehicles, with a higher center of gravity, may handle
differently than unloaded vehicles. Extra precautions, such as
slower speeds and increased stopping distance, should be taken when
driving a heavily loaded vehicle.
Your vehicle has the capability to haul more cargo and people than most
passenger cars. Depending upon the type and placement of the load,
hauling cargo and people may raise the center of gravity of the vehicle.
TRAILER TOWING
Trailer towing puts additional loads on your vehicle’s engine, transmission,
axle, brakes, tires, and suspension. For your safety and to maximize vehicle
performance, be sure to use the proper equipment while towing.
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2. To reinstall the cover, insert the
four plastic tabs on top of the cover
into the corresponding slots, as
shown in the illustration and push
the cover up into the bumper trim.
3. Hold the cover against the bumper trim and reinstall the two
14-turn
fasteners by turning them clockwise.
Preparing to tow
Use the proper equipment for towing a trailer and make sure it is
properly attached to your vehicle. See your authorized dealer or a
reliable trailer dealer if you require assistance.
Hitches
Do not use hitches that clamp onto the vehicle’s bumper or attach to the
axle. You must distribute the load in your trailer so that 10%–15% of the
total weight of the trailer is on the tongue.
Weight distributing hitch
When hooking up a trailer using a load equalizing hitch, always use the
following procedure:
1. Park the unloaded vehicle on a level surface. With the ignition in the
ON position and all doors closed, allow the vehicle to stand (without
passengers) for several minutes so that it can level.
2. Turn the air suspension (if equipped) control to OFF.
3. Measure the height of a reference point on the front and rear bumpers
at the center of the vehicle.
4. Attach the trailer to the vehicle and adjust the hitch equalizers so that
the front bumper height is within a
12” (13 mm) of the reference point.
After proper adjustment, the rear bumper should be no higher than in
Step 3.
5. Turn the air suspension (if equipped) control to ON.
Note:Adjusting a weight distributing hitch so the rear bumper of the
vehicle is higher than it was unloaded will defeat the function of the
weight distributing hitch and may cause unpredictable handling.
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If the vehicle is above 25 mph (40 km/h), momentarily pressing the
AdvanceTrac
with RSC button will steadily illuminate the “sliding car”
icon, however, the AdvanceTrac
with RSC system will remain enabled
until the vehicle speed drops below 25 mph. If the vehicle speed
decreases below 25 mph (40 km/h), the system will become deactivated,
but if the vehicle speed subsequently increases to above 25 mph (40
km/h), the system will again become active. In general, the system will
be active at all times the vehicle speed is above 25 mph (40 km/h).
In R (Reverse), ABS and the Traction Control feature will continue to
function, however ESC and RSC are disabled.
All these conditions are normal during AdvanceTrac
with RSC
operation. Refer to the following table.
AdvanceTrac
with RSC Features
Button
functions“Sliding
car” iconRSC ESCEngine
Traction
ControlBrake
Traction
Control
Default at
start-upIlluminated
during bulb
checkEnabled Enabled Enabled Enabled
Button
pressed
momentarilyIlluminated
solidDisabled
below 25
mph (40
km/h)Disabled
below 25
mph (40
km/h)Disabled
below 25
mph (40
km/h)Enabled
Button
pressed and
held more
than five
secondsFlashes
then
illuminated
solidDisabled
below 25
mph (40
km/h)Disabled
below 25
mph (40
km/h)Disabled
below 25
mph (40
km/h)Disabled
below 25
mph (40
km/h)
Do not alter or modify your vehicle’s suspension or steering; the
resulting changes to the vehicle’s handling can adversely affect
the AdvanceTrac
with RSC system.
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•Wheels out of alignment
•Loose or worn suspension components
Variable assist steering
Your vehicle is equipped with variable assist power steering. At low
engine RPM, steering assist will adjust to reduce efforts and improve low
speed maneuverability. At high engine RPM, the assist will adjust to
improve steering feel at high speeds.
If the amount of effort required to steer your vehicle changes while
driving at a constant engine RPM, have the power steering system
checked by your authorized dealer.
AIR SUSPENSION SYSTEM
The air suspension system is designed to improve ride, handling and
general vehicle performance during:
•Certain road conditions
•Steering maneuvers
•Braking
•Acceleration
This system keeps the rear of your vehicle at a constant level by
automatically adding air or releasing air from the springs. If you exceed
the load limit, the rear air suspension may not operate. The air
suspension system will stay active for 40 minutes after the ignition is
turned off to accommodate any load changes. (The air compressor may
run when the vehicle is off; this is normal.)
The air suspension system can be enabled or disabled through the
message center. Refer toMessage centerin theDriver Controlschapter.
If the system is off, the rear air suspension will not operate and will not
raise (pump) or lower (vent) while the vehicle is not moving. However, if
the system determines that the vehicle is low or high and needs to make
a height adjustment while driving at speeds above 15 mph (24 km/h), the
system will pump or vent as required. Normal vehicle operation does not
require any action by the driver.
On vehicles equipped with air suspension, turn the air
suspension and the ignition switch off prior to jacking, hoisting
or towing your vehicle.
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Maintenance and Modifications
The suspension and steering systems on your vehicle have been designed
and tested to provide predictable performance whether loaded or empty
and durable load carrying capability. For this reason, Ford Motor
Company strongly recommends that you do not make modifications such
as adding or removing parts (such as lift kits or stabilizer bars) or by
using replacement parts not equivalent to the original factory equipment.
Any modifications to a vehicle that raise the center of gravity can make
it more likely the vehicle will roll over as a result of a loss of control.
Ford Motor Company recommends that caution be used with any vehicle
equipped with a high load or device (such as ladder racks or pickup box
cover).
Failure to maintain your vehicle properly may void the warranty, increase
your repair cost, reduce vehicle performance and operational capabilities
and adversely affect driver and passenger safety. Frequent inspection of
vehicle chassis components is recommended if the vehicle is subjected to
heavy off-road usage.
DRIVING THROUGH WATER
If driving through deep or standing
water is unavoidable, proceed very
slowly especially when the depth is
not known. Never drive through
water that is higher than the bottom
of the wheel rims (for cars) or the
bottom of the hubs (for trucks).
When driving through water, traction or brake capability may be limited.
Also, water may enter your engine’s air intake and severely damage your
engine or your vehicle may stall.Driving through deep water where
the transmission vent tube is submerged may allow water into the
transmission and cause internal transmission damage.
Once through the water, always dry the brakes by moving your
vehicle slowly while applying light pressure on the brake pedal.
Wet brakes do not stop the vehicle as quickly as dry brakes.
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Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
32 20A* Fuel pump
33 20A* Back-up lamps
34 25A* Trailer tow connector (stop/turn
lamps)
35 20A* 4x4 module
36 10A* Powertrain Control Module
(PCM) – Keep alive power,
Canister vent
37 15A* Transmission B+
38 30A** Third row seats (passenger side)
39 50A** Air suspension pump
40 30A** Starter motor
41 20A** IP/Console power point
42 — Not used
43 — Not used
44 20A** Driver side HID low beam
headlamp
45 30A** Driver seat
46 40A** Run/Start bus bar
47 30A** Air suspension – solenoids
48 20A** Passenger side HID low beam
headlamp
49 30A** Front wipers/washer
50 30A** PCM – bus bar
51 20A** Cargo power point
52 20A** Cigarette lighter
53 — Air suspension relay
54 — Starter relay
55 — Trailer tow connector relay (park
lamp)
56 — Trailer tow connector relay
(battery charge)
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Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
57 — Run/Start relay
58 — Not used
59 — PCM relay
60 — Not used
61 — A/C clutch diode
62 — Fuel pump diode
63 15A* Trailer tow connector (back-up
lamp)
64 — Not used
65 10A* Air suspension logic
66 — Not used
67 10A* Blower coil
68 — Not used
69 30A* Run/Start – passenger
compartment fuse panel
70 20A* PCM (sensors) – EFC, A/C clutch
coil
71 5A* Fuel coil, ISP-R
72 20A* PCM (ignition coils)
73 5A* Transmission ignition
74 20A* PCM (sensors) – HEGO/CMS,
MAFS, EVMV, CMCV, Speed
deactivation switch, VCT
75 5A* 4x4 Integrated Wheel Ends
(IWE) solenoid
76 20A* PCM – VPWR
77 10A* ABS logic, Heated PCV
* Mini Fuses ** Cartridge Fuses
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Tire change procedure
To help prevent the vehicle from moving when you change a tire,
be sure the parking brake is set, then block the wheels (both
front or both rear) on the opposite end of the vehicle from the wheel
being changed. If on a grade, block both opposite wheels on the
downward side of the hill.
If the vehicle slips off the jack, you or someone else could be
seriously injured.
On vehicles equipped with Air Suspension, turn OFF the Air
Suspension system prior to jacking, hoisting or towing your
vehicle.
If your vehicle is equipped with air suspension, refer toMessage center
in theDriver Controlschapter for instructions on turning the air
suspension system off.
Refer to the instruction sheet (located in the rear floor compartment
behind the 3rd row seat with the jack tray tools assembly kit) for
detailed tire change instructions.
1. Park on a level surface, activate
hazard flashers and set the parking
brake.
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2. Place gearshift lever in P (Park),
turn engine OFF and block the
wheels (both front or both rear) on
the opposite end of the vehicle from
the wheel being changed. If on a
grade, block both wheels on the
downward side of the hill.
3. Turn off the air suspension system (the air suspension system is
controlled through the message center. Refer toAir Suspension System
in theDrivingsection for more information). Also, turn OFF the
deployable running boards (if equipped. SeeMessage centerin the
Driver controlssection).
4. Obtain the spare tire and jack from their storage locations.
5. Use the tip of the jack handle to
remove any wheel trim. Loosen each
wheel lug nut one-half turn
counterclockwise but do not remove
them until the wheel is raised off
the ground.
6. Position the jack according to the
jack locator arrows found on the
frame and turn the jack handle and
extension tool assembly clockwise.
Note:Use the frame rail as the
jacking point, NOT the control arm.
7. Lift the vehicle so the tire is no
further than 1 inch (2.5 cm) off the
ground when installing the spare tire.
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•Never use the front or rear
differential as a jacking point.
To lessen the risk of personal injury, do not put any part of your
body under the vehicle while changing a tire. Do not start the
engine when your vehicle is on the jack. The jack is only meant for
changing the tire.
8. Remove the lug nuts with the lug wrench.
9. Replace the flat tire with the spare tire, making sure the valve stem is
facing outward. Reinstall the lug nuts until the wheel is snug against the
hub. Do not fully tighten the lug nuts until the wheel has been lowered.
10. Lower the wheel by turning the jack handle counterclockwise.
11. Remove the jack and fully
tighten the lug nuts in the order
shown and reinstall the wheel cover.
12. Unblock the wheels.
13. Put flat tire, jack, lug wrench
and tools away. Make sure the jack
is fastened securely so it does not
rattle when you drive.
14. Turn on the air suspension
system (if equipped). Refer to
Message centerin theDriver Controlschapter for instructions on
turning the air suspension system on.
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