Ford Ranger EV (2001 year). Manual — part 31
204-04-2
204-04-2
Wheels and Tires
SPECIFICATIONS
General Specifications
Torque Specifications
Item
Specification
Description
Nm
Lb-Ft
Tire Inflation
Lug nuts 1/2-20
135
100
Tires
See safety certification
Torque specifications are for clean, dry bolt and nut
sticker located on driver
threads. Never use oil or grease on wheel bolts or nuts.
door jamb.
Cleaners — Wheel
Custom Bright Metal
ESR-M5B194-B
Cleaner (8A-19522-A)
DESCRIPTION AND OPERATION
WARNING: Always wear safety goggles or
Safety Precautions
a face shield when performing any work with
tire and wheel assemblies.
WARNING: Never run the engine with one
wheel off the ground, for example, when
CAUTION: Do not clean aluminum wheels
changing a tire. The wheel(s) resting on the
with steel wool, abrasive-type cleaners or strong
ground could cause the vehicle to move.
detergents. Use Custom Bright Metal Cleaner
8A-19522-A or equivalent meeting Ford
WARNING: The tire and wheel must
specifications ESR-M5B194-B.
always be correctly matched. It is very important
to determine the size of each component before
CAUTION: Reduce the air pressure as
any assembly operations commence. Failure to
much as possible by pushing the valve core
adhere to these instructions can result in an
plunger in prior to removing the valve core.
explosive separation and cause serious bodily
Avoid working in a position in which the face or
injury or death.
body is directly over a tire in which there is
pressure.
WARNING: Aftermarket aerosol tire
When performing any inspection or repair
sealants are extremely flammable. Always
procedures on wheels (1007/1015) and tires, follow
question the customer to make sure these
the preceding safety precautions.
products have not been used.
WARNING: Aftermarket wheel assemblies
Wheels and Tires
may not be compatible with the vehicle. Use of
incompatible wheel assemblies can result in
Several types of wheel assemblies are available:
equipment failure and possible injury. Use only
stamped steel, forged aluminum and cast aluminum.
approved wheel assemblies.
WARNING: Use only wheels and wheel
nuts that have been designed for current model
year Ford trucks. Aftermarket wheels or wheel
nuts may not fit or function correctly, and can
cause personal injury or damage the vehicle.
204-04-3
204-04-3
Wheels and Tires
DESCRIPTION AND OPERATION (Continued)
Tire, Temporary Spare
Tire and Wheel Runout
Excessive radial and lateral runout of a wheel and
CAUTION: Do not attempt to mount a
tire assembly can cause roughness, vibration, wheel
high-pressure spare tire on a regular wheel. The
tramp, tire wear and steering wheel tremor.
high-pressure spare tire is only to be mounted on
a high-pressure wheel. Limited service skin spare
Before checking runout, and to avoid false readings
tires are used with standard stamped steel
caused by temporary flat spots in the tires, check
wheels.
runout only after the vehicle has been driven far
enough to warm the tires. For additional
NOTE: Extended use of other than matching size
information, refer to
spare tires on a Traction-Lok
rear axle could
result in a permanent reduction in effectiveness.
This loss of effectiveness may be noticeable to the
driver as backlash and noise increase with worn
clutch plates.
The temporary spare tire is designed to provide a
lightweight, easy to use spare tire. It is for
emergency use only and has a maximum speed
capability of 80 km/h (50 mph).
To maximize tire performance, inspect for signs of
DIAGNOSIS AND TESTING
incorrect inflation and uneven wear, which may
Wheels and Tires
indicate a need for balancing, rotation, or front
Inspection and Verification
suspension alignment.
Correct tire pressure and driving techniques have an
WARNING: A vehicle equipped with a
important influence on tire life. Heavy cornering,
Traction-Lok
differential will always have both
excessively rapid acceleration and unnecessary sharp
wheels driving. If, while the vehicle is being
braking increases tire wear.
serviced, only one wheel is raised off the floor
and the rear axle is driven by the engine, the
Replacement tires must follow the recommended:
wheel on the floor could drive the vehicle off the
•
tire sizes.
stand or jack. Be sure both rear wheels are off
•
speed rating.
the floor.
•
load range.
WARNING: Never run the engine with one
wheel off the ground, for example, when
•
radial construction type.
changing a tire. The wheel(s) resting on the
Use of any other tire size or type can seriously
ground could cause the vehicle to move.
affect:
WARNING: Do not balance the wheels and
•
ride.
tires while they are mounted on the vehicle.
•
handling.
Possible tire disintegration or differential failure
•
speedometer/odometer calibration.
could result, causing personal injury and
extensive component damage. Use off-vehicle
•
vehicle ground clearance.
wheel and tire balancer only.
•
tire clearance between the body and chassis.
Be sure to follow the warnings when performing
•
wheel bearing life.
inspection and verification.
•
brake cooling.
Road Test
Verify the customer concern by performing a road
test on a smooth road. If any vibrations are
apparent, go to
204-04-4
204-04-4
Wheels and Tires
DIAGNOSIS AND TESTING (Continued)
Wheels need to be installed new when:
1. Inspect for signs of uneven wear that may
indicate a need for balancing, rotation, front
•
bent.
suspension alignment, damaged tie rod, or
•
cracked.
steering components.
•
dented.
2. Check tires for:
•
heavily rusted.
•
cuts.
•
leaking.
•
stone bruises.
•
they have elongated wheel hub bolt holes.
•
abrasions
•
they have excessive lateral or radial runout.
•
blisters.
Wheel and tire assemblies are attached by five
•
embedded objects.
noncentering wheel nuts.
3. Tread wear indicators are molded into the
It is mandatory to use only the tire sizes
bottom of the tread grooves. Install a new tire
recommended on the tire chart attached to the
when the indicator bands become visible.
vehicle. Larger or smaller tires can damage the
vehicle, affect durability, and require changing the
speedometer calibration. Make sure wheel size and
offsets match those recommended for the tire in use.
Symptom Chart
Symptom Chart
Condition
Possible Sources
Action
•
Tires show excess wear on
•
Underinflated tires.
•
ADJUST air pressure in tires.
edge of tread
•
Vehicle overloaded.
•
RETURN vehicle. NOTIFY
customer of overload
condition.
•
High-speed cornering.
•
RETURN vehicle. NOTIFY
customer of cause of
condition.
•
Incorrect wheel alignment.
•
SET toe to specification.
REFER to Section 204-00 of
the 2001 Ranger Workshop
Manual.
•
Tires show excess wear in
•
Tires overinflated.
•
ADJUST air pressure.
center of tread
204-04-5
204-04-5
Wheels and Tires
DIAGNOSIS AND TESTING (Continued)
Symptom Chart (Continued)
Condition
Possible Sources
Action
•
Other excessive tire wear
•
Incorrect tire pressure.
•
ADJUST pressure.
problems
•
Loose or leaking shock
•
TIGHTEN or INSTALL new
absorbers.
as necessary.
•
Front end out of alignment.
•
ALIGN front end. REFER to
Section 204-00 of the 2001
Ranger Workshop Manual.
•
Front wheel bearings out of
•
REFER to Section 204-00 of
adjustment.
the 2001 Ranger Workshop
Manual for inspection
procedure.
•
Loose, worn or damaged
•
REFER to Section 204-00 of
suspension components.
the 2001 Ranger Workshop
Manual.
•
Wheel and tire assembly out
•
BALANCE wheel and tire
of balance.
assembly.
•
Excessive lateral or radial
•
REFER to Component Tests
runout of wheel or tire.
in this section.
•
Incorrect tire rotation
•
ADVISE customer of
intervals.
condition.
•
Wobble or shimmy
•
Damaged wheel bearings.
•
REFER to Section 204-00 of
the 2001 Ranger Workshop
Manual.
•
Loose or damaged suspension
•
INSTALL new as necessary.
components.
•
Bent wheel.
•
INSTALL new as necessary.
•
Damaged tire.
•
INSTALL new as necessary.
•
Loose wheel nuts.
•
TIGHTEN to specification.
•
High-speed shake
•
Wheel hub face/pilot/bolt
•
circle runout.
•
Tires/wheels.
•
Wheel bearings.
•
Suspension/steering linkage.
•
Engine.
•
Transmission.
•
Brake discs/drums —
imbalance.
•
Vehicle vibration
•
Driveline — engine.
•
•
Tires.
GENERAL PROCEDURES
Wheel Leaks
1. Pinhole leaks in cast aluminum wheels
compromise wheel integrity. Install a new
wheel.
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