wheel size Ram 5500 Chassis Cab 2014 User Guide

•Seasonal temperature changes will affect tire pressure,
and the TPMS will monitor the actual tire pressure in
the tire.
Base System — If Equipped
The Tire Pressure Monitor System (TPMS) uses wireless
technology with wheel rim mounted electronic sensors to
monitor tire pressure levels. Sensors mounted to each
wheel as part of the valve stem transmit tire pressure
readings to the receiver module.
NOTE: It is particularly important for you to check the
tire pressure in all of the tires on your vehicle monthly
and to maintain the proper pressure.
The TPMS consists of the following components:
• Receiver module,
• Four TPM sensors, and
• TPM Telltale Light The matching full size spare wheel and tire assembly (if
equipped) has a TPM sensor. The matching full size spare
can be used in place of any of the four road tires. The
TPMS will only monitor the pressure in the full size spare
when it is used in place of a road tire. Otherwise, a spare
with a pressure below the low-pressure limit will not
cause the “Tire Pressure Monitoring Telltale Light” to
illuminate or the chime to sound.
Premium System — If Equipped
The Tire Pressure Monitor System (TPMS) uses wireless
technology with wheel rim mounted electronic sensors to
monitor tire pressure levels. Sensors mounted to each
wheel as part of the valve stem transmit tire pressure
readings to the receiver module.
NOTE:
It is particularly important for you to check the
tire pressure in all of the tires on your vehicle monthly
and to maintain the proper pressure.5
STARTING AND OPERATING 375

The TPMS consists of the following components:
•Receiver module,
• Four TPM sensors,
• Various TPMS messages, which display in the Elec-
tronic Vehicle Information Center (EVIC), and
• TPM Telltale Light
The matching full size spare wheel and tire assembly (if
equipped) has a TPM sensor. The full size spare can be
used in place of any of the four road tires. A spare with a
pressure below the low-pressure limit will not cause the
“Tire Pressure Monitoring Telltale Light” to illuminate or
the chime to sound.
Tire Pressure Monitoring Low Pressure Warnings
The “Tire Pressure Monitoring Telltale Light” will
illuminate in the instrument cluster and a chime
will sound when tire pressure is low in one or more of the four active road tires. In addition, the EVIC will
display a “LOW TIRE PRESSURE” message for a minimum
of five seconds and a graphic showing the pressure values
of each tire with the low tire pressure values flashing or in
a different color. An
Inflate to XXmessage will also be
displayed.
“LOW TIRE PRESSURE” Message
376 STARTING AND OPERATING

SYSTEMmessage will no longer display, and a pressure
value will display in place of the dashes. A system fault
can occur due to any of the following:
1. Signal interference due to electronic devices or driving next to facilities emitting the same radio frequencies as
the TPM sensors.
2. Installing aftermarket window tinting that contains materials that may block radio wave signals.
3. Accumulation of snow or ice around the wheels or wheel housings.
4. Using tire chains on the vehicle.
5. Using wheels/tires not equipped with TPM sensors.
Vehicles With Full Size Spare
1. The matching full size spare wheel and tire assembly has a TPM sensor that can be monitored by the TPMS. 2. If you install the full size spare in place of a road tire
that has a pressure below the low-pressure warning
limit, upon the next ignition switch cycle, a chime will
sound and the “Tire Pressure Monitoring Telltale
Light” will turn ON. In addition, the EVIC will display
a “LOW TIRE PRESSURE” message and a graphic
showing the low tire pressure value flashing or in a
different color. An Inflate to XXmessage will also be
displayed.
3. After driving the vehicle for up to 20 minutes above 15 mph (25 km/h) the “Tire Pressure Monitoring
Telltale Light” will turn OFF and the pressure value
will be updated and stop flashing or return to it’s
original color, as long as no tire pressure is below the
low-pressure warning limit in any of the four active
road tires.
378 STARTING AND OPERATING

Each axle GAWR is determined by the components in the
system with the lowest load carrying capacity (axle,
springs, tires or wheels). Heavier axles or suspension
components sometimes specified by purchasers for in-
creased durability does not necessarily increase the vehi-
cle’s GVWR.
Tire Size
The tire size on the Vehicle Certification Label represents
the actual tire size on your vehicle. Replacement tires
must be equal to the load capacity of this tire size.
Rim Size
This is the rim size that is appropriate for the tire size
listed.
Inflation Pressure
This is the cold tire inflation pressure for your vehicle for
all loading conditions up to full GAWR.
Curb Weight
The curb weight of a vehicle is defined as the total weight
of the vehicle with all fluids, including vehicle fuel, at full
capacity conditions, and with no occupants or cargo
loaded into the vehicle. The front and rear curb weight
values are determined by weighing your vehicle on a
commercial scale before any occupants or cargo are
added.
Loading
The actual total weight and the weight of the front and
rear of your vehicle at the ground can best be determined
by weighing it when it is loaded and ready for operation.
The entire vehicle should first be weighed on a commer-
cial scale to insure that the GVWR has not been exceeded.
The weight on the front and rear of the vehicle should
then be determined separately to be sure that the load is
properly distributed over the front and rear axle. Weigh-
ing the vehicle may show that the GAWR of either the
388 STARTING AND OPERATING

HAZARD WARNING FLASHERS
The Hazard Warning flasher switch is located on the
upper switch bank just below the radio.Press the switch to turn on the Hazard Warning
flasher. When the switch is activated, all direc-
tional turn signals will flash on and off to warn oncoming
traffic of an emergency. Press the switch a second time to
turn off the Hazard Warning flashers.
This is an emergency warning system and it should not
be used when the vehicle is in motion. Use it when your
vehicle is disabled and it is creating a safety hazard for
other motorists.
When you must leave the vehicle to seek assistance, the
Hazard Warning flashers will continue to operate even
though the ignition is placed in the OFF position.
NOTE: With extended use the Hazard Warning flashers
may wear down your battery.
WHEEL AND TIRE TORQUE SPECIFICATIONS
Proper lug nut/bolt torque is very important to ensure
that the wheel is properly mounted to the vehicle. Any
time a wheel has been removed and reinstalled on the
vehicle the lug nuts/bolts should be torqued using a
properly calibrated torque wrench.
Torque Specifications
Lug Nut/Bolt Torque Lug Nut/
Bolt
Type **Lug
Nut/Bolt Size Lug Nut/
Bolt
Socket Size
120-150 Ft-Lbs (160-200 N·m) Cone M14 x
1.5022 mm
130-160 Ft-Lbs (190-220 N·m) Flanged
**Use only Chrysler recommended lug nuts/bolts and
clean or remove any dirt or oil before tightening.
420 WHAT TO DO IN EMERGENCIES

System, Remote Starting.....................31
Tachometer ............................. .200
Tilt Steering Column ...................... .165
Tip Start ............................... .295
Tire and Loading Information Placard ...........351
Tire Markings ........................... .344
Tires ..................................113 Aging (Life of Tires) .....................365
Air Pressure .......................... .356
Chains .............................. .368
Compact Spare ........................ .362
Dual ............................... .371
General Information .....................356
High Speed .......................... .359
Inflation Pressures ...................... .357
Life of Tires .......................... .365
Load Capacity ........................ .351
Pressure Monitor System (TPMS) ............372Pressure Warning Light
...................206
Quality Grading ....................... .523
Radial .............................. .359
Replacement .......................... .366
Rotation ............................. .370
Safety .............................. .344
Sizes ............................... .345
Snow Tires ........................... .360
Spinning ............................ .364
Tread Wear Indicators ....................365
Wheel Nut Torque ..................... .428
Tire Safety Information .....................344
Tongue Weight/Trailer Weight ................395
Torque Converter Clutch ....................311
Tow Hooks, Emergency .....................437
Towing ............................... .389
Disabled Vehicle ....................... .438
Guide .............................. .394
Recr
eational .......................... .410
540 INDEX