cooling JEEP LIBERTY 2011 KK / 2.G User Guide

NOTE:Intentional tampering with emissions control
systems can result in civil penalties being assessed
against you.
In unusual situations involving grossly malfunctioning
engine operation, a scorching odor may suggest severe
and abnormal catalyst overheating. If this occurs, stop
the vehicle, turn off the engine and allow it to cool.
Service, including a tune-up to manufacturer’s specifica-
tions, should be obtained immediately.
To minimize the possibility of catalytic converter dam-
age:
•Do not shut off the engine or interrupt the ignition,
when the transmission is in gear and the vehicle is in
motion.
•Do not try to start the engine by pushing or towing the
vehicle.
•Do not idle the engine with any spark plug wires
disconnected or removed, such as when diagnostic
testing, or for prolonged periods during very rough
idle or malfunctioning operating conditions.
Cooling System
WARNING!
•You or others can be badly burned by hot coolant
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 is hot.
Engine Coolant Checks
Check the engine coolant (antifreeze) protection every
12 months (before the onset of freezing weather, where
applicable). If the engine coolant (antifreeze) is dirty or
458 MAINTAINING YOUR VEHICLE

rusty in appearance, the system should be drained,
flushed, and refilled with fresh coolant. Check the front
of the A/C condenser (if equipped) or radiator for any
accumulation of bugs, leaves, etc. If dirty, clean by gently
spraying water from a garden hose vertically down the
face of the A/C condenser (if equipped) or the back of the
radiator core.
Check the engine cooling system hoses for brittle rubber,
cracking, tears, cuts, and tightness of the connection at
the coolant recovery bottle and radiator. Inspect the
entire system for leaks.
With the engine at normal operating temperature (but
not running), check the cooling system pressure cap for
proper vacuum sealing by draining a small amount of
engine coolant (antifreeze) from the radiator drain cock.
If the cap is sealing properly, the engine coolant (anti-
freeze) will begin to drain from the coolant recoverybottle. DO NOT REMOVE THE COOLANT PRESSURE
CAP WHEN THE COOLING SYSTEM IS HOT.
Cooling System – Drain, Flush, And Refill
If the engine coolant (antifreeze) is dirty or contains a
considerable amount of sediment, clean and flush with a
reliable cooling system cleaner. Follow with a thorough
rinsing to remove all deposits and chemicals. Properly
dispose of the old engine coolant (antifreeze).
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
Selection Of Engine Coolant
Use only the manufacturer’s recommended engine cool-
ant (antifreeze). Refer to “Fluids, Lubricants, and Genu-
ine Parts” in “Maintaining Your Vehicle” for further
information.7
MAINTAINING YOUR VEHICLE 459

CAUTION!
•Mixing of engine coolant (antifreeze) other than
specified HOAT engine coolant (antifreeze), may
result in engine damage and may decrease corro-
sion protection. If a non-HOAT engine coolant
(antifreeze) is introduced into the cooling system
in an emergency, it should be replaced with the
specified engine coolant (antifreeze) as soon as
possible.
•Do not use water alone or alcohol-based engine
coolant (antifreeze) products. Do not use addi-
tional rust inhibitors or antirust products, as they
may not be compatible with the radiator engine
coolant and may plug the radiator.
•This vehicle has not been designed for use with
Propylene Glycol based engine coolant (anti-
freeze). Use of Propylene Glycol based engine
coolant (antifreeze) is not recommended.
Adding Engine Coolant
Your vehicle has been built with an improved engine
coolant (antifreeze) that allows extended maintenance
intervals. This engine coolant (antifreeze) can be used up
to five years or 104,000 miles (169 000 km) before
replacement. To prevent reducing this extended mainte-
nance period, it is important that you use the same
engine coolant (antifreeze) throughout the life of your
vehicle.
Please review these recommendations for using Hybrid
Organic Additive Technology (HOAT) engine coolant
(antifreeze). When adding engine coolant (antifreeze):
•The manufacturer recommends using MOPAR
Antifreeze/Coolant 5 Year/100,000 Mile Formula
HOAT (Hybrid Organic Additive Technology) or
equivalent.
460 MAINTAINING YOUR VEHICLE

•Mix a minimum solution of 50% HOAT engine coolant
and distilled water. Use higher concentrations (not to
exceed 70%) if temperatures below34°F (37°C) are
anticipated.
•Use only high purity water such as distilled or deion-
ized water when mixing the water/engine coolant
(antifreeze) solution. The use of lower quality water
will reduce the amount of corrosion protection in the
engine cooling system.
Please note that it is the owner’s responsibility to main-
tain the proper level of protection against freezing ac-
cording to the temperatures occurring in the area where
the vehicle is operated.
NOTE: Mixing engine coolant (antifreeze) types will
decrease the life of the engine coolant (antifreeze) and
will require more frequent coolant changes.
Cooling System Pressure Cap
The cap must be fully tightened to prevent loss of
coolant, and to ensure that coolant will return to the
radiator from the coolant recovery bottle.
The cap should be inspected and cleaned if there is any
accumulation of foreign material on the sealing surfaces.
WARNING!
•The warning words “DO NOT OPEN HOT” on
the cooling system pressure cap are a safety pre-
caution. Never add engine coolant (antifreeze)
when the engine is overheated. Do not loosen or
remove the cap to cool an overheated engine. Heat
causes pressure to build up in the cooling system.
To prevent scalding or injury, do not remove the
pressure cap while the system is hot or under
pressure.
(Continued)
7
MAINTAINING YOUR VEHICLE 461

Points To Remember
NOTE:When the vehicle is stopped after a few miles/
kilometers of operation, you may observe vapor coming
from the front of the engine compartment. This is nor-
mally a result of moisture from rain, snow, or high
humidity accumulating on the radiator and being vapor-
ized when the thermostat opens, allowing hot engine
coolant (antifreeze) to enter the radiator.
If an examination of your engine compartment shows no
evidence of radiator or hose leaks, the vehicle may be
safely driven. The vapor will soon dissipate.
•Do not overfill the coolant bottle.
•Check coolant freeze point in the radiator and in the
coolant recovery bottle. If engine coolant (antifreeze)
needs to be added, contents of coolant recovery bottle
must also be protected against freezing.
•If frequent engine coolant (antifreeze) additions are
required, or if the level in the coolant recovery bottle
does not drop when the engine cools, the cooling
system should be pressure tested for leaks.
•Maintain engine coolant (antifreeze) concentration at
50% HOAT engine coolant (antifreeze) (minimum)
and distilled water for proper corrosion protection of
your engine, which contains aluminum components.
•Make sure that the radiator and coolant recovery
bottle hoses are not kinked or obstructed.
•Keep the front of the radiator clean. If your vehicle is
equipped with air conditioning, keep the front of the
condenser clean.
7
MAINTAINING YOUR VEHICLE 463

•Do not change the thermostat for Summer or Winter
operation. If replacement is ever necessary, install
ONLY the correct type thermostat. Other designs may
result in unsatisfactory cooling performance, poor gas
mileage, and increased emissions.
Brake System
In order to assure brake system performance, all brake
system components should be inspected periodically.
Refer to the “Maintenance Schedule” for the proper
maintenance intervals.
WARNING!
Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting or
riding on the brake pedal can result in abnormally
high brake temperatures, excessive lining wear, and
possible brake damage. You would not have your full
braking capacity in an emergency.
Brake Master Cylinder
The fluid in the master cylinder should be checked when
performing under hood services or immediately if the
“Brake Warning Light” is illuminated.
Be sure to clean the top of the master cylinder area before
removing the cap. If necessary, add fluid to bring the
fluid level up to the requirements described on the brake
fluid reservoir. With disc brakes, fluid level can be
expected to fall as the brake pads wear. Brake fluid level
should be checked when pads are replaced. However,
low fluid level may be caused by a leak and a checkup
may be needed.
Use only manufacturer’s recommended brake fluid. Re-
fer to “Fluids, Lubricants, and Genuine Parts” in “Main-
taining Your Vehicle” for further information.
464 MAINTAINING YOUR VEHICLE

FLUID CAPACITIES
U.S.Metric
Fuel (Approximate) 19.5 Gallons73.8 Liters
Engine Oil with Filter
3.7 Liter Engine (SAE 5W-20, API Certified) 5 Quarts4.7 Liters
Cooling System *
3.7 Liter Engine (MOPAR Antifreeze/Engine Coolant 5
Year/100,000 Mile Formula or equivalent) 14 Quarts
13.3 Liters
* Includes heater and coolant recovery bottle filled to MAX level.
7
MAINTAINING YOUR VEHICLE 487

Compact Disc (CD) Maintenance............. 295
Compact Spare Tire ...................... 370
Compass .............................. 241
Compass Calibration ..................... 242
Compass Variance ....................... 243
Computer, Trip/Travel .................... 240
Console .............................. 203
Console, Floor .......................... 203
Contract, Service ........................ 511
Coolant Pressure Cap (Radiator Cap) .......... 461
Cooling System ......................... 458
Adding Coolant (Antifreeze) ............. 460
Coolant Capacity ..................... 487
Coolant Level .................... 458,462
Disposal of Used Coolant ............... 462
Drain, Flush, and Refill ................ 459
Inspection .......................... 462
Points to Remember .................. 463
Pressure Cap ........................ 461 Selection of Coolant (Antifreeze)
....459,487,488
Corrosion Protection ..................... 472
Cruise Light ........................... 232
Cupholders ............................ 201
Customer Assistance ..................... 509
Data Recorder, Event ...................... 76
Daytime Running Lights ................... 161
Dealer Service .......................... 447
Defroster, Rear Window ................... 211
Defroster, Windshield ................90,298,303
Delay (Intermittent) Wipers ................. 166
Diagnostic System, Onboard ................ 444
Dimmer Switch, Headlight ................. 162
Dipsticks Oil (Engine) ........................ 448
Power Steering ...................... 339
Disabled Vehicle Towing ................... 436
10
INDEX 521

Coolant (Antifreeze)................ 458,488
Cooling ........................... 458
Exhaust Gas Caution ................88,392
Fails to Start ........................ 314
Flooded, Starting ..................... 314
Fuel Requirements .................... 388
Jump Starting ....................... 430
Oil ......................... 448,487,488
Oil Change Interval .............232,239,448
Oil Filler Cap ....................... 449
Oil Filter ........................... 450
Oil Filter Disposal .................... 450
Oil Selection ..................... 449,487
Oil Synthetic ........................ 450
Overheating ........................ 422
Starting ........................... 313
Temperature Gauge ................... 227
Engine Oil Viscosity ...................... 449 Engine Oil Viscosity Chart
................. 449
Enhanced Accident Response Feature .......... 73
Entry System, Illuminated .................. 20
Ethanol ............................... 389
Event Data Recorder ...................... 76
Exhaust Gas Caution ................... 88,392
Exhaust System ....................... 88,456
Exterior Finish Care ...................... 473
Exterior Lights .......................... 91
Fabric Care ............................ 475
Filters Air Cleaner ......................... 450
Air Conditioning .................. 306,454
Engine Oil ....................... 450,488
Engine Oil Disposal ................... 450
Finish Care ............................ 473
Flash-To-Pass ........................... 162
10
INDEX 523

FlashersHazard Warning ..................... 422
Turn Signal .............. 91,162,223,485,486
Flipper Glass, Liftgate ..................... 40
Flooded Engine Starting ................... 314
Floor Console .......................... 203
Fluid Capacities ......................... 487
Fluid Leaks ............................. 91
Fluid Level Checks .................... 468,469
Automatic Transmission ................ 466
Brake ............................. 464
Cooling System ...................... 458
Engine Oil ......................... 448
Power Steering ...................... 339
Fluid, Brake ........................... 489
Fluids, Lubricants and Genuine Parts .......... 488
Fog Light Service ........................ 485
Fog Lights .................... 158,161,223,485
Folding Rear Seat ........................ 149 Four Wheel Drive
Shifting ................... 321,324,327,330
Systems ........................ 321,327
Four Wheel Drive Operation ................ 321
Freeing A Stuck Vehicle ................... 434
Front Axle (Differential) ................... 469
Fuel ................................. 388
Additives .......................... 391
Clean Air .......................... 389
Ethanol ........................... 389
Filler Cap (Gas Cap) .................. 393
Gasoline ........................... 388
Gauge ............................ 220
Materials Added ..................... 391
Methanol .......................... 389
Octane Rating .................... 388,488
Requirements ....................... 388
Specifications ....................... 488
Tank Capacity ....................... 487
524 INDEX