2015 JEEP CHEROKEE tire pressure

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
front or rear axles has been exceeded but the total load is
within the specified GVWR. If so, weight must be shifted
from front to rear or rear to front as appropriate until the
592 STARTING AND OPERATING

WARNING!(Continued)
•Vehicles with trailers should not be parked on a
grade. When parking, apply the parking brake on
the tow vehicle. Put the tow vehicle transmission in
PARK. Always, block or%chock%the trailer wheels.
•GCWR must not be exceeded.
•Total weight must be distributed between the tow
vehicle and the trailer such that the following four
ratings are not exceeded:
1. GVWR
2. GTW
3. GAWR
4. Tongue weight rating for the trailer hitch uti-
lized.
CAUTION!
•Do not tow a trailer at all during the first 500 miles
(805 km) the new vehicle is driven. The engine, axle
or other parts could be damaged.
•Then, during the first 500 miles (805 km) that a
trailer is towed, do not drive over 50 mph (80 km/h)
and do not make starts at full throttle. This helps
the engine and other parts of the vehicle wear in at
the heavier loads.
Towing Requirements — Tires
•Do not attempt to tow a trailer while using a compact
spare tire.
•Proper tire inflation pressures are essential to the safe
and satisfactory operation of your vehicle. Refer to
“Tires – General Information” in “Starting And Oper-
ating” for proper tire inflation procedures.
5
STARTING AND OPERATING 601

NOTE:There are steps that you can take to slow down
an impending overheat condition:
•If your air conditioner (A/C) is on, turn it off. The A/C
system adds heat to the engine cooling system and
turning the A/C off can help remove this heat.
•You can also turn the temperature control to maximum
heat, the mode control to floor and the blower control
to high. This allows the heater core to act as a
supplement to the radiator and aids in removing heat
from the engine cooling system.
WARNING!
You or others can be badly burned by hot engine
coolant (antifreeze) or steam from your radiator. If
you see or hear steam coming from under the hood,
do not open the hood until the radiator has had time
to cool. Never try to open a cooling system pressure
cap when the radiator or coolant bottle is hot.
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 Size
Lug Nut/
Bolt
Socket
Size
100 Ft-Lbs (135 N·m) M12 x 1.25 19 mm
**Use only Chrysler recommended lug nuts/bolts and
clean or remove any dirt or oil before tightening.
616 WHAT TO DO IN EMERGENCIES

Tire Service Kit Components And OperationUsing The Mode Select Knob And Hoses
Your Tire Service Kit is equipped with the following
symbols to indicate the air or sealant mode.
Selecting Air Mode
Push in the Mode Select Knob (5) and turn to
this position for air pump operation only. Use
the Black Air Pump Hose (7) when selecting
this mode.
Selecting Sealant Mode
Push in the Mode Select Knob (5) and
turn to this position to inject the Tire
Service Kit Sealant and to inflate the
tire. Use the Sealant Hose (clear hose)
(6) when selecting this mode.
Tire Service Kit Components
1—SealantBottle 5—ModeSelectKnob2 — Deflation Button 6 — Sealant Hose (Clear)3—PressureGauge 7—AirPumpHose(Black)4—PowerButton 8—PowerPlug(locatedonthebot-tom side of the Tire Service Kit)
6
WHAT TO DO IN EMERGENCIES 619

Using The Power Button
Push and release the Power Button (4) once to
turn On the Tire Service Kit. Push and release
the Power Button (4) again to turn Off the Tire
Service Kit.
Using The Deflation Button
Press the Deflation Button (2) to reduce the air
pressure in the tire if it becomes over-inflated.
Tire Service Kit Usage Precautions
•Replace the Tire Service Kit Sealant Bottle (1) and
Sealant Hose (6) prior to the expiration date (printed at
the lower right hand corner on the bottle label) to
assure optimum operation of the system. Refer to
“Sealing a Tire with Tire Service Kit” section (F)
“Sealant Bottle and Hose Replacement”.
•The Sealant Bottle (1) and Sealant Hose (6) are a one
tire application use and need to be replaced after each
use. Always replace these components immediately at
your original equipment vehicle dealer.
•When the Tire Service Kit sealant is in a liquid form,
clean water, and a damp cloth will remove the material
Tire Service Kit Expiration Date Location
620 WHAT TO DO IN EMERGENCIES

from the vehicle or tire and wheel components. Once
the sealant dries, it can easily be peeled off and
properly discarded.
•For optimum performance, make sure the valve stem
on the wheel is free of debris before connecting the Tire
Service Kit.
•You can use the Tire Service Kit air pump to inflate
bicycle tires. The kit also comes with two needles,
located in the Accessory Storage Compartment (on the
bottom of the air pump) for inflating sport balls, rafts,
or similar inflatable items. However, use only the Air
Pump Hose (7) and make sure the Mode Select Knob
(5) is in the Air Mode when inflating such items to
avoid injecting sealant into them. The Tire Service Kit
Sealant is only intended to seal punctures less than¼”
(6 mm) diameter in the tread of your vehicle.
•Do not lift or carry the Tire Service Kit by the hoses.
WARNING!
•Do not attempt to seal a tire on the side of the
vehicle closest to traffic. Pull far enough off the
road to avoid the danger of being hit when using
the Tire Service Kit.
•Do not use Tire Service Kit or drive the vehicle
under the following circumstances:
– If the puncture in the tire tread is approximately
1/4” (6 mm) or larger.
– If the tire has any sidewall damage.
– If the tire has any damage from driving with
extremely low tire pressure.
– If the tire has any damage from driving on a flat
tire.
– If the wheel has any damage.
– If you are unsure of the condition of the tire or
the wheel.
(Continued)
6
WHAT TO DO IN EMERGENCIES 621

NOTE:Sealant may leak out through the puncture in the
tire.
If the sealant (white fluid) does not flow within0–10
seconds through the Sealant Hose (6):
1. Press the Power Button (4) to turn Off the Tire Service
Kit. Disconnect the Sealant Hose (6) from the valve
stem. Make sure the valve stem is free of debris.
Reconnect the Sealant Hose (6) to the valve stem.
Check that the Mode Select Knob (5) is in the Sealant
Mode position and not Air Mode. Press the Power
Button (4) to turn On the Tire Service Kit.
2. Connect the Power Plug (8) to a different 12 Volt
power outlet in your vehicle or another vehicle, if
available. Make sure the engine is running before
turning ON the Tire Service Kit.
3. The Sealant Bottle (1) may be empty due to previous
use. Call for assistance.
NOTE:If the Mode Select Knob (5) is on Air Mode and
the pump is operating, air will dispense from the Air
Pump Hose (7) only, not the Sealant Hose (6).
If the sealant (white fluid) does flow through the
Sealant Hose (6):
1. Continue to operate the pump until sealant is no
longer flowing through hose (typically takes 30 - 70
seconds). As the sealant flows through the Sealant
Hose (6), the Pressure Gauge (3) can read as high as 70
psi (4.8 Bar). The Pressure Gauge (3) will decrease
quickly from approximately 70 psi (4.8 Bar) to the
actual tire pressure when the Sealant Bottle (1) is
empty.
2. The pump will start to inject air into the tire immedi-
ately after the Sealant Bottle (1) is empty. Continue to
operate the pump and inflate the tire to the pressure
indicated on the tire pressure label on the driver-side
624 WHAT TO DO IN EMERGENCIES

latch pillar (recommended pressure). Check the tire
pressure by looking at the Pressure Gauge (3).
If the tire does not inflate to at least 26 psi (1.8 Bar)
pressure within 15 minutes:
•The tire is too badly damaged. Do not attempt to drive
the vehicle further. Call for assistance.
NOTE:If the tire becomes over-inflated, press the Defla-
tion Button to reduce the tire pressure to the recom-
mended inflation pressure before continuing.
If the tire inflates to the recommended pressure or is at
least 26 psi (1.8 Bar) pressure within 15 minutes:
1. Press the Power Button (4) to turn off the Tire Service
Kit.
2. Remove the Speed Limit sticker from the top of the
Sealant Bottle (1) and place the sticker on the instru-
ment panel.
3. Immediately disconnect the Sealant Hose (6) from the
valve stem, reinstall the cap on the fitting at the end of
the hose, and place the Tire Service Kit in the vehicle
storage location. Quickly proceed to (D) “Drive Ve-
hicle.”
CAUTION!
•The metal end fitting from Power Plug (8) may get
hot after use, so it should be handled carefully.
•Failure to reinstall the cap on the fitting at the end
of the Sealant Hose (6) can result in sealant con-
tacting your skin, clothing, and the vehicle’s inte-
rior. It can also result in sealant contacting internal
Tire Service Kit components which may cause
permanent damage to the kit.
6
WHAT TO DO IN EMERGENCIES 625