2018 JEEP GRAND CHEROKEE octane

nuts/bolts should be torqued using a properly
calibrated torque wrench using a high quality
six sided (hex) deep wall socket.
Torque Specifications
Base Model Vehicle
Lug Nut/Bolt
Torque**Lug Nut/Bolt
SizeLug Nut/Bolt
Socket Size
130 Ft-Lbs
(176 N·m)M14 x 1.50 22 mm
SRT Model Vehicle
Lug Nut/Bolt
Torque**Lug Nut/Bolt
SizeLug Nut/Bolt
Socket Size
110 Ft-Lbs
(149 N·m)M14 x 1.50 22 mm
**Use only your authorized dealer recom-
mended lug nuts/bolts and clean or remove
any dirt or oil before tightening.
Inspect the wheel mounting surface prior to
mounting the tire and remove any corrosion
or loose particles.Tighten the lug nuts/bolts in a star pattern
until each nut/bolt has been tightened twice.
Ensure that the socket is fully engaged on the
lug nut/bolt (do not insert it half way).
NOTE:
If in doubt about the correct tightness, have
them checked with a torque wrench by your
authorized dealer or service station.
After 25 miles (40 km), check the lug nut/
bolt torque to be sure that all the lug nuts/
bolts are properly seated against the wheel.
WARNING!
To avoid the risk of forcing the vehicle off
the jack, do not tighten the lug nuts fully
until the vehicle has been lowered. Failure
to follow this warning may result in per-
sonal injury.
FUEL REQUIREMENTS —
GASOLINE ENGINES
3.6L Engine
These 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
Research Octane Number (RON) of 91.
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.
Besides using unleaded gasoline with the
proper octane rating, gasolines that contain
detergents, corrosion and stability additives
Torque Pattern
271

are recommended. Using gasolines that have
these additives may help improve fuel
economy, reduce emissions, and maintain
vehicle performance.
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.
5.7L Engine
Theses engines are designed to meet all
emissions regulations and provide satisfac-
tory fuel economy and performance when
using high-quality unleaded gasoline having
an Research Octane Number (RON) of 91 to
95. The manufacturer recommends the use
of a 95 Research Octane Number for opti-
mum performance.
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 hesita-tions. If you experience these symptoms, try
another brand of gasoline before considering
service for the vehicle.
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, reduce emissions, and maintain
vehicle performance.
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.
6.2L/6.4L Engine
Your vehicle is designed to meet all emissions
regulations and provide excellent fuel
economy and performance when using high-
quality unleaded gasoline having an Re-
search Octane Number (RON) of 98 or
higher. The manufacturer recommends the
use of 98 Research Octane Number (RON) or
higher for optimum performance.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 hesita-
tions. If you experience these symptoms, try
another brand of gasoline before considering
service for the vehicle.
Methanol
(Methyl) is used in a variety of concentrations
when blended with unleaded gasoline. You
may find fuels containing 3% or more metha-
nol along with other alcohols called cosol-
vents. Problems that result from using
methanol/gasoline are not the responsibility
of the manufacturer. While MTBE is an oxy-
genate made from Methanol, it does not have
the negative effects of Methanol.
WARNING!
Do not use gasolines containing Methanol.
Use of these blends may result in starting
and drivability problems and may damage
critical fuel system components.
TECHNICAL SPECIFICATIONS
272

FLUIDS AND LUBRICANTS NON-SRT
Engine
Component Fluid, 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 FCA Material Standard MS.90032 or an
equivalent coolant.
Engine Oil – 3.6L Engine We recommend you use API Certified SAE 0W-20 engine oil, meeting the requirements of FCA
Material Standard MS-6395, FCA 9.55535-CR1, or ACEA A1/B1. Refer to your engine oil filler
cap for the correct SAE grade.
Engine Oil – 5.7L Engine We recommend you use API Certified SAE 5W-20 engine oil, meeting the requirements of FCA
Material Standard MS-6395, FCA 9.55535-CR1, ACEA A1/B1. Refer to your engine oil filler cap
for the correct SAE grade.
Engine Oil – 3.0L Diesel Engine We recommend you use 5W-40syntheticengine oil such as Mopar that meets FCA Material Stan-
dard MS-10902 or FCA 9.55535-D3 and the ACEA A3/B4 or API CJ-4/SM engine oil category is
required.
Engine Oil Filter We recommend you use Mopar Engine Oil Filters.
Spark Plugs We recommend you use Mopar Spark Plugs.
Fuel Selection – 3.6L Engine Minimum 91 Octane
Fuel Selection – 5.7L Engine Minimum 91 Octane Acceptable - 95 Octane Recommended
Fuel Selection – 3.0L Diesel Engine 50 Cetane or higher (Less than 10 ppm Sulfur)
AdBlue Mopar Diesel Exhaust Fluid (API Certified) (DEF) or equivalent that has been API Certified to the
ISO 22241 standard. Use of fluids not API Certified to ISO 22241 may result in system dam-
age.
TECHNICAL SPECIFICATIONS
280

FLUIDS AND LUBRICANTS — SRT
Engine
Component Fluid, 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 FCA Material Standard MS-12106.
Engine Oil We recommend you use API Certified SAE 0W-40 synthetic engine oil, meeting the requirements
of FCA MS-12633 or ACEA A1/B1.
Engine Oil Filter We recommend you use Mopar Engine Oil Filters.
Spark Plugs We recommend you use Mopar Spark Plugs.
Fuel Selection We recommend you use 98 Research Octane Number (RON) or Higher.
Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission Use only Mopar ZF 8&9 Speed ATF Automatic Transmission Fluid or
equivalent. Failure to use the correct fluid may affect the function or
performance of your transmission.
Transfer Case – Single-Speed (Selec-Track) We recommend you use Mopar ATF+4 Automatic Transmission Fluid.
Axle Differential (Front) We recommend you use Mopar GL-5 Synthetic Axle Lubricant SAE
75W-85.
Axle Differential (Rear) – With Electronic Limited-Slip Differential (ELSD) We recommend you use Mopar GL-5 Synthetic Axle Lubricant SAE
75W-85 with integrated friction modifier.TECHNICAL SPECIFICATIONS
282

Exterior Lights................133
Filters
Air Conditioning..............48
Air Conditioning............249
Flashers....................198
Hazard Warning.............198
Turn Signal.............75, 201
Turn Signals...............133
Fluid, Brake.................282
Fluid Capacities...........278, 279
Fluid Leaks..................133
Fluids And Lubricants........280, 282
Fog Lights.................36, 73
Forward Collision Warning..........93
Four-Way Hazard Flasher..........198
Four Wheel Drive...........149, 158
Operation................149
Systems.................149
Four Wheel Drive Operation........149
Freeing A Stuck Vehicle..........222
Front And Rear ParkSense System. . . .172
Front ParkSense System..........172
Fuel...................271, 275
Adding...............177, 179
Additives.................273
Clean Air.................273Diesel...................275
Economy Mode.............146
Ethanol..................272
Gasoline.................271
Light....................71
Materials Added.............273
Octane Rating..............271
Requirements . . .271, 275, 278, 279
Tank Capacity..........278, 279
Fueling.................177, 179
Fuses
....................
.204
Gasoline, Clean Air.............273
Gasoline (Fuel)................271
Gasoline, Reformulated..........273
Glass Cleaning................268
Hands-Free Phone (Uconnect)......321
Hazard Warning Flasher..........198
Headlights
On With Wipers..............36
Passing..................36
Washers..................40
Headlight Washers..............40
Head Restraints................27
Heated Mirrors.................33
Hill Descent Control.............88Hill Descent Control Indicator.......88
Hill Start Assist................82
Hood Release.................53
Instrument Panel Lens Cleaning.....267
Interior Appearance Care..........267
Intermittent Wipers (Delay Wipers)....38
Introduction...................1
Jacking Instructions............210
Jack Location................209
Jack Operation............210, 255
Jump Starting................217
Key Fob
Arm The Alarm..............18
Disarm The Alarm.............18
Programming Additional Key Fobs .14, 17
Key Fob Programming (Remote Keyless
Entry)....................14
Key-In Reminder...............16
Keyless Enter-N-Go..............20
Key, Replacement............14, 17
Keys.......................13
Lane Change Assist..............37
LaneSense..................175
359

Lap/Shoulder Belts.............102
Latches....................133
Lead Free Gasoline.............271
Leaks, Fluid.................133
Life Of Tires.................258
Liftgate..................54, 55
Liftgate Window Wiper/Washer.......39
Light Bulbs..................133
Lights.....................133
AirBag................66, 109
AirBag ..................132
Brake Assist Warning...........86
Brake Warning...............66
Bulb Replacement...........198
Cruise.................74, 76
Daytime Running............35
Dimmer Switch, Headlight.......34
Engine Temperature Warning.....68
Exterior..................133
Fog .....................36
Fog .....................73
Hazard Warning Flasher........198
Headlights On With Wipers.......36
Hill Descent Control Indicator.....88
Low Fuel..................71
Malfunction Indicator (Check Engine) .71
Park.....................74Passing..................36
Seat Belt Reminder...........69
Security Alarm..............69
Service..................198
Side Marker...............201
Tire Pressure Monitoring (TPMS)....72
Traction Control..............86
Turn Signal..........34, 75, 201
Turn Signals...............133
Warning (Instrument Cluster
Description)................68
Locks
Automatic Door..............24
Child Protection.............24
Lug Nuts...................270
Maintenance Free Battery.........248
Maintenance Schedule. . . .230, 234, 238
Malfunction Indicator Light (Check
Engine)
...................71
Marker Lights, Side
.............201
Memory Feature (Memory Seat)......24
Memory Seat..................24
Memory Seats And Radio..........24
Methanol...................272
Methanol Fuel................272
Mini-Trip Computer..............66Mirrors.....................32
Exterior Folding.............32
Heated...................33
Monitor, Tire Pressure System.......95
Mopar.....................283
Mopar Accessories.............283
Multi-Function Control Lever........34
Navigation...........316, 318, 320
New Vehicle Break-In Period.......143
Occupant Restraints.............99
Octane Rating, Gasoline (Fuel)......271
Oil, Engine
Capacity..............278, 279
Checking.................247
Dipstick.................247
Pressure Warning Light.........69
Recommendation........278, 279
Viscosity.............278, 279
Oil Pressure Light...............69
Onboard Diagnostic System.........77
Operating Precautions............77
Outlet
Power...................57
Overheating, Engine............220
INDEX
360