2013 JEEP GRAND CHEROKEE octane

FUEL REQUIREMENTS —
GASOLINE ENGINE
3.6L EngineThese engines are designed to meet all emis-
sions regulations and provide excellent fuel
economy and performance when using high-
quality unleaded gasoline with a minimum re-
search octane rating of 91. The use of premium
gasoline is not recommended, as it will not pro-
vide any benefit over regular gasoline in these
engines.
5.7L EngineTheses engines are designed to meet all emis-
sions regulations and provide satisfactory fuel
economy and performance when using high-
quality unleaded gasoline having an octane
range of 91 to 95. The manufacturer recom-
mends the use of 95 octane for optimum per-
formance. The use of premium gasoline is not
recommended, as it will not provide any benefit
over regular gasoline in these engines.Light spark knock at low engine speeds is not
harmful to your engine. However, continued
heavy spark knock at high speeds can cause
damage, and immediate service is required.
Poor quality gasoline can cause problems such
as hard starting, stalling, and hesitations. If you
experience these symptoms, try another brand
of gasoline before considering service for the
vehicle.
Over 40 auto manufacturers worldwide have
issued and endorsed consistent gasoline speci-
fications (the Worldwide Fuel Charter, WWFC)
which define fuel properties necessary to de-
liver enhanced emissions, performance, and
durability for your vehicle. The manufacturer
recommends the use of gasoline that meets the
WWFC specifications if they are available.
Besides using unleaded gasoline with the
proper octane rating, gasolines that contain
detergents, corrosion and stability additives are
recommended. Using gasolines that have these
additives may help improve fuel economy, re-
duce emissions, and maintain vehicle perfor-
mance.Poor quality gasoline can cause problems such
as hard starting, stalling and stumble. If you
experience these problems, try another brand
of gasoline before considering service for the
vehicle.
Methanol(Methyl or Wood Alcohol) is used in a variety of
concentrations when blended with unleaded
gasoline. You may find fuels containing 3% or
more methanol along with other alcohols called
cosolvents. Problems that result from using
methanol/gasoline or E-85 Ethanol blends are
not the responsibility of the manufacturer. While
MTBE is an oxygenate made from Methanol, it
does not have the negative effects of Methanol.
CAUTION!
Do not use gasolines containing Methanol or
E-85 Ethanol. Use of these blends may result
in starting and driveability problems and may
damage critical fuel system components.
273

EthanolThe manufacturer recommends that your ve-
hicle be operated on fuel containing no more
than 10% ethanol. Purchasing your fuel from a
reputable supplier may reduce the risk of ex-
ceeding this 10% limit and/or of receiving fuel
with abnormal properties. It should also be
noted that an increase in fuel consumption
should be expected when using ethanol-
blended fuels, due to the lower energy content
of ethanol. Problems that result from using
methanol/gasoline or E-85 ethanol blends are
not the responsibility of the manufacturer. While
MTBE is an oxygenate made from Methanol, it
does not have the negative effects of Methanol.
CAUTION!
Use of fuel with Ethanol content higher than
10% may result in engine malfunction, start-
ing and operating difficulties, and materials
degradation. These adverse effects could
result in permanent damage to your vehicle.
Clean Air GasolineMany gasolines are now being blended to con-
tribute to cleaner air, especially in those areas
where air pollution levels are high. These new
blends provide a cleaner burning fuel and some
are referred to as “reformulated gasoline.”
The manufacturer supports these efforts toward
cleaner air. You can help by using these blends
as they become available.
MMT In GasolineMMT is a manganese containing metallic additive
that is blended into some gasoline to increase
octane. Gasoline blended with MMT provides no
performance advantage beyond gasoline of the
same octane number without MMT. Gasoline
blended with MMT reduces spark plug life and
reduces emission system performance in some
vehicles. The manufacturer recommends that
gasoline without MMT be used in your vehicle.
The MMT content of gasoline may not be indi-
cated on the gasoline pump; therefore, you
should ask your gasoline retailer whether or not
his/her gasoline contains MMT.
Materials Added To FuelBesides using unleaded gasoline with the
proper octane rating, gasolines that contain
detergents, corrosion and stability additives are
recommended. Using gasolines that have these
additives will help improve fuel economy, re-
duce emissions, and maintain vehicle perfor-
mance.
Indiscriminate use of fuel system cleaning
agents should be avoided. Many of these ma-
terials intended for gum and varnish removal
may contain active solvents or similar ingredi-
ents. These can harm fuel system gasket and
diaphragm materials.
274

FLUIDS, LUBRICANTS AND GENUINE PARTS
Engine
ComponentFluid, Lubricant, or Genuine Part
Engine Coolant We recommend you use MOPAR® Antifreeze/Coolant 10 Year/150,000 Mile Formula
OAT (Organic Additive Technology) that meets the requirements of Chrysler Material Standard
MS-12106 or an equivalent coolant.
Engine Oil – Non ACEA Categories
(3.6L Engine) We recommend you use API Certified SAE 5W-20 engine oil, meeting the requirements of
Chrysler Material Standard MS-6395.
Engine Oil – ACEA Categories (3.6L Engine) For countries that use the ACEA European Oil Categories for Service Fill Oils, we recommend you use 5W-20 engine oils that meet the requirements of ACEA C3.
Engine Oil – Non ACEA Categories
(5.7L Engine) We recommend you use API Certified SAE 5W-20 engine oil, meeting the requirements of
Chrysler Material Standard MS-6395.
Engine Oil – ACEA Categories (5.7L Engine) For countries that use the ACEA European Oil Categories for Service Fill Oils, we recommend you use 5W-20 engine oils that meet the requirements of ACEA C3.
Engine Oil – 3.0L Diesel Engine We recommend you use SAE 5W-30 Synthetic Low Ash Engine Oil meeting the requirements of
Chrysler Material Standard MS-11106 and approved ACEA C3.
Engine Oil Filter We recommend you use MOPAR® Engine Oil Filters.
Spark Plugs – 3.6L Engine We recommend you use MOPAR® Spark Plugs (Gap 0.043 in [1.1 mm]).
Spark Plugs – 5.7L Engine We recommend you use MOPAR® Spark Plugs (Gap 0.043 in [1.1 mm]).
Fuel Selection – 3.6L Engine 91 Octane
341

ComponentFluid, Lubricant, or Genuine Part
Fuel Selection – 5.7L Engine 91 Octane Acceptable - 95 Octane Recommended
Fuel Selection – 3.0L Diesel Engine 50 Cetane or higher (Less than 15 ppm Sulfur)
Chassis
ComponentFluid, Lubricant, or Genuine Part
Automatic Transmission We recommend you use MOPAR® ATF+4 Automatic Transmission Fluid or equivalent licensed
ATF+4 product.
Failure to use ATF+4 fluid may affect the function or performance of your transmission.
Transfer Case We recommend you use MOPAR® ATF+4 Automatic Transmission Fluid or equivalent licensed
ATF+4 product.
Axle Differential (Rear) – 5.7L Engine With
Electronic Limited-Slip Differential (ELSD) We recommend you use 75W-85 Castrol SAF Carbon Mod or equivalent.
Axle Differential (Rear) – 5.7L Engine Without
Electronic Limited-Slip Differential (ELSD) We recommend you use 75W-85 Fuchs 5010D or equivalent.
Brake Master Cylinder We recommend you use MOPAR® Brake & Clutch Fluid DOT 4, that meets the requirements of
Chrysler Material Standard MS-9971.
Power Steering Reservoir – 3.0L Diesel Engine We recommend you use MOPAR® Hydraulic Fluid that meets Chrysler Material Standard MS-11655.
Power Steering Reservoir – 3.6L Engine and
5.7L EngineWe recommend you use MOPAR® Power Steering Fluid +4, or MOPAR ATF+4 Automatic Trans-
mission Fluid or equivalent licensed ATF+4 product.
342

Compartment
Identification.........309, 310, 311
Cooling ................. .321
Exhaust Gas Caution .........30, 60
Fails to Start ...............222
Flooded, Starting ............222
Fuel Requirements ........273, 340
Jump Starting ..............300
Oil ..................313, 340
Oil Change Interval ........177, 313
Oil Selection ............314, 340
Oil Synthetic ...............315
Overheating ...............294
Starting ................. .220
Temperature Gauge ...........167
Engine Oil Viscosity .............314
Engine Oil Viscosity Chart ..........314
Enhanced Accident Response Feature . . .47
Entry System, Illuminated ...........18
Ethanol ....................273
Event Data Recorder .............49
Exhaust Gas Caution ...........30, 60
Exhaust System .............60, 320
Exterior Lights .................61 Filters
Air Cleaner ................315
Air Conditioning .............317
Engine Oil ................315
Engine Oil Disposal ...........315
Flashers ....................294
Hazard Warning .............294
Turn Signal ........61, 163, 337, 338
Flipper Glass, Liftgate .............28
Flooded Engine Starting ...........222
Fluid Capacities ...............340
Fluid Leaks ...................61
Fluid Level Checks Automatic Transmission .........327
Brake ...................324
Engine Oil ............... .313
Power

Steering .............250
Fluids, Lubricants and Genuine Parts . . .341
Fog Lights .............109, 163, 337
Fog Light Service ...............337
Fog Lights, Rear ...............168
Folding Rear Seat ..............100
Forward Collision Warning . . . .131, 174, 185
Four-Way Hazard Flasher ..........294Four Wheel Drive
............237, 240
Operation .................237
Systems .................237
Four Wheel Drive Operation .........237
Freeing A Stuck Vehicle ...........302
Front Axle (Differential) ...........325
Fuel ..................... .273
Adding ................. .276
Additives .................274
Conserving ................178
Diesel ...................275
Ethanol ................. .273
Filler Cap (Gas Cap) .......276, 278
Gasoline .................273
Gauge ................. .167
Light ...................174
Octane Rating ..............273
Requirements ..............340
Saver Mode ...............178
Tank Capacity ..............340
Fueling ....................276
Fuel Optimizer ................178
Fuel Saver ................. .178
Fuel System Caution .............277
Fuses .................... .331
396

Brake Assist Warning..........258
Brake Warning ..............165
Bulb Replacement ............336
Cargo ...................151
Center Mounted Stop ..........339
Daytime Running ............108
Dimmer Switch, Headlight .......106
Electronic Stability Program (ESP)
Indicator .................258
Exterior ..................61
Fog ..............109, 163, 337
Hazard Warning Flasher ........294
Headlights .............336, 337
Headlights On With Wipers .......107
High Beam Indicator ..........163
Hill Descent Control Indicator .....163
Illuminated Entry .............18
Low Fuel .................174
Malfunction Indicator
(Check Engine) .............162
Map Reading ...............110
Passing ..................112
Reading ...............110,141
Rear Fog .................168
Rear Servicing ..............338
Rear Tail .................338
Seat Belt Reminder ...........165 Security Alarm (Theft Alarm)
......167
Service ................. .336
Service Engine Soon (Malfunction
Indicator) ................ .162
Side Marker ...............338
SmartBeams ...............107
Tire Pressure Monitoring (TPMS) . . .164
Tow/Haul Indicator ............163
Traction Control .............258
Turn Signal ........61, 106, 337, 338
Vanity Mirror ................72
Locks ......................21
Automatic Door ..............22
Child Protection ..............23
Door ....................2 1
Power
Door ................22
Steering Wheel ..............14
Lower Anchors and Tether for CHildren (LATCH) ................54, 55
Lubrication, Body ...............318
Maintenance Free Battery ..........316
Maintenance Procedures ..........312
Maintenance Schedule .........344, 359
Malfunction Indicator Light (Check Engine) ..............162
Memory Feature (Memory Seat) ......102Memory Seat
.................102
Memory Seats and Radio ..........102
Methanol ...................273
Methanol Fuel ................273
Mini-Trip Computer ..............179
Mirrors .....................70
Automatic Dimming ............70
Electric Powered .............71
Electric Remote ..............71
Exterior Folding ..............71
Heated ...................72
Outside ..................71
Power Folding ...............72
Rearview ..................70
Vanity ...................72
Mode Fuel Saver ................178
Modifications/Alterations, Vehicle .......8
Monitor, Tire Pressure System .......266
Mopar Parts ................. .312
Multi-Function Control Lever ........106
New Vehicle Break-In Period .........59
Occupant Restraints .........31, 44, 47
Occupant Restraints (Sedan) . . . .43, 44, 46
Octane Rating, Gasoline (Fuel) .......273
398