2023 JEEP GRAND CHEROKEE brake

350SERVICING AND MAINTENANCE
(Continued)
Make sure that the coolant expansion bottle
overflow 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.
Do not change the thermostat for Summer or
Winter operation. If replacement is ever neces-
sary, install ONLY the correct type thermostat.
Other designs may result in unsatisfactory
engine cooling performance, poor gas mileage,
and increased emissions.
BRAKE SYSTEM
In order to ensure brake system performance, all
brake system components should be inspected
periodically. For the proper maintenance intervals
Ú page 331.
Fluid Level Check — Brake Master Cylinder
The fluid level of the master cylinder should be
checked whenever the vehicle is serviced, or
immediately if the Brake System Warning Light is
on. If necessary, add fluid to bring level within the
designated marks on the side of the reservoir of
the brake master cylinder. Be sure to clean the top
of the master cylinder area before removing cap.
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. If the brake fluid
is abnormally low, check the system for leaks.
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.
WARNING!
Use only manufacturer's recommended brake
fluid Ú page 402. Using the wrong type of
brake fluid can severely damage your brake
system and/or impair its performance. The
proper type of brake fluid for your vehicle is
also identified on the original factory installed
hydraulic master cylinder reservoir.
To avoid contamination from foreign matter or
moisture, use only new brake fluid or fluid that
has been in a tightly closed container. Keep
the master cylinder reservoir cap secured at
all times. Brake fluid in an open container
absorbs moisture from the air resulting in a
lower boiling point. This may cause it to boil
unexpectedly during hard or prolonged
braking, resulting in sudden brake failure. This
could result in a collision.
Overfilling the brake fluid reservoir can result
in spilling brake fluid on hot engine parts,
causing the brake fluid to catch fire. Brake
fluid can also damage painted and vinyl
surfaces, care should be taken to avoid its
contact with these surfaces.
Do not allow petroleum-based fluid to contam -
inate the brake fluid. Brake seal components
could be damaged, causing partial or
complete brake failure. This could result in a
collision.
WARNING!

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362SERVICING AND MAINTENANCE
F10 40 Amp Green –HVAC Blower Motor
F11 ––Spare
F12 –20 Amp YellowAssy Cigar Lighter
F13 –10 Amp RedAssy Mirror Inside Rearview / Digital
TV (DTV) */ Sunroof Single - Dual
Pane / Port UC1 Dual USB RR /
Interior Monitoring Camera
F14 ––Spare
F15A ––Spare
F15B ––Spare
F16 –10 Amp RedMOD ORC
F17 ––Spare
F18 ––Spare
F19 ––Spare
F20 –10 Amp RedOverhead Console Assy (OHC) W/
Sunshade / Intrusion Module /
Intrusion Sensor / Siren / Head Up
Display (HUD) / Digital TV (DTV) *
F21 30 Amp Pink –Trailer Tow Electric Brake -
Aftermarket
F22 ––Spare
F23 ––Spare
Cavity Cartridge Fuse Micro FuseDescription

* If Equipped

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388SERVICING AND MAINTENANCE
WHEEL AND WHEEL TRIM CARE
All wheels and wheel trim, especially aluminum
and chrome plated wheels, should be cleaned
regularly using mild (neutral Ph) soap and water to
maintain their luster and to prevent corrosion.
Wash wheels with the same soap solution
recommended for the body of the vehicle and
remember to always wash when the surfaces are
not hot to the touch. Your wheels are susceptible to deterioration
caused by salt, sodium chloride, magnesium
chloride, calcium chloride, etc., and other road
chemicals used to melt ice or control dust on dirt
roads. Use a soft cloth or sponge and mild soap to
wipe away promptly. Do not use harsh chemicals or
a stiff brush. They can damage the wheel’s
protective coating that helps keep them from
corroding and tarnishing.
When cleaning extremely dirty wheels including
excessive brake dust, care must be taken in the
selection of tire and wheel cleaning chemicals and
equipment to prevent damage to the wheels.
Mopar® Wheel Treatment or Mopar® Chrome
Cleaner or their equivalent is recommended or
select a non-abrasive, non-acidic cleaner for
aluminum or chrome wheels.
NOTE:If you intend parking or storing your vehicle for an
extended period after cleaning the wheels with
wheel cleaner, drive your vehicle and apply the
brakes to remove the water droplets from the
brake components. This activity will remove the
red rust on the brake rotors and prevent vehicle
vibration when braking.
Dark Vapor Chrome, Black Satin Chrome, or Low
Gloss Clear Coat Wheels
WARNING!
Limited use spares are for emergency use only.
Installation of this limited use spare tire affects
vehicle handling. With this tire, do not drive
more than the speed listed on the limited use
spare wheel. Keep inflated to the cold tire
inflation pressures listed on your Tire And
Loading Information Placard located on the
driver’s side B-pillar or the rear edge of the
driver’s side door. Replace (or repair) the original
equipment tire at the first opportunity and
reinstall it on your vehicle. Failure to do so could
result in loss of vehicle control.
CAUTION!
Avoid products or automatic car washes that use
acidic solutions or strong alkaline additives or
harsh brushes. Many aftermarket wheel
cleaners and automatic car washes may
damage the wheel's protective finish. Such
damage is not covered by the New Vehicle
Limited Warranty. Only car wash soap, Mopar®
Wheel Cleaner or equivalent is recommended.
CAUTION!
Do not use scouring pads, steel wool, a bristle
brush, metal polishes or oven cleaner. These
products may damage the wheel's protective
finish. Such damage is not covered by the New
Vehicle Limited Warranty. Only car wash soap,
Mopar® Wheel Cleaner or equivalent is
recommended.
CAUTION!

If your vehicle is equipped with these specialty
wheels, DO NOT USE wheel cleaners, abrasives, or
polishing compounds. They will permanently
damage this finish and such damage is not
covered by the New Vehicle Limited Warranty.
HAND WASH ONLY USING MILD SOAP AND WATER
WITH A SOFT CLOTH. Used on a regular basis; this
is all that is required to maintain this finish.

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396
TECHNICAL SPECIFICATIONS
VEHICLE IDENTIFICATION NUMBER (VIN)
The VIN is found on a label located on the left front
corner of the instrument panel pad, visible from
outside of the vehicle through the windshield.
Windshield VIN Label Location

NOTE:It is illegal to remove or alter the VIN.
BRAKE SYSTEM
Your vehicle is equipped with dual hydraulic brake
systems. If either of the two hydraulic systems lose
normal capability, the remaining system will still
function. However, there will be some loss of
overall braking effectiveness. You may notice
increased pedal travel during application, greater
pedal force required to slow or stop, and potential
activation of the Brake Warning Light.
In the event power assist is lost for any reason the
brakes will still function. However, the effort
required to brake the vehicle will be much greater
than that required with the power system
operating.
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 using a six-sided (hex) deep wall
socket.
TORQUE SPECIFICATIONS
**Use only authorized dealer recommended 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.
Wheel Mounting Surface

Lug Nut/Bolt
Torque **Lug Nut/
Bolt SizeLug Nut/Bolt
Socket Size
130 ft-lb
(176 N·m) M14 x 1.50 22 mm

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402TECHNICAL SPECIFICATIONS
CHASSIS FLUIDS AND LUBRICANTS
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 – 1-Speed or 2-Speed Transfer Case We recommend using Mopar® ATF+4 Automatic Transmission Fluid.
Axle Differential (Front-Rear) - Without Electronic Limited Slip Differential
(ELSD) We recommend using Mopar® GL-5 Synthetic Axle Lubricant, SAE 75W-85.
Axle Differential (Rear) - With Electronic Limited Slip Differential (ELSD) We recommend using Mopar® GL-5 Synthetic Axle Lubricant, SAE 75W-85
with friction modifier additive.
Brake Master Cylinder We recommend using Mopar® DOT 3 Brake Fluid, SAE J1703.

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409
INDEX
A
About Your Brakes......................................... 396Accessory Drive Belt Inspection..................... 342Active Driving Assist System.......................... 152
Active Lane Management System.. 112, 115, 171
Adaptive Cruise Control (ACC)..... 113, 115, 142Adding Engine Coolant (Antifreeze)............... 347Adding Fuel.................................................... 183Additives, Fuel............................................... 398AdjustDown........................................................... 42Forward....................................................... 42Rearward..................................................... 42Up................................................................ 42Air Bag........................................................... 108Air Bag Operation...................................... 279Air Bag Warning Light...................... 277, 280Driver Knee Air Bag................................... 284Enhanced Accident Response......... 287, 329
Event Data Recorder (EDR)...................... 329Front Air Bag............................................. 280If Deployment Occurs............................... 286Knee Impact Bolsters............................... 284Maintaining Your Air Bag System.............. 288Maintenance............................................ 288Redundant Air Bag Warning Light............. 278Side Air Bags............................................ 284Transporting Pets..................................... 303Air Bag Light......................................... 277, 303
Air Cleaner, Engine (Engine Air Cleaner Filter)... 339
Air Conditioner Maintenance........................ 340Air Conditioner Refrigerant.................. 340, 341Air Conditioner System................................. 340Air Conditioning................................................ 67Max............................................................. 67Rear............................................................. 71Air Conditioning Filter....................................... 73Air Conditioning System................................... 72Air Conditioning, Operating Tips....................... 73
Air Filter......................................................... 339Air PressureTires.......................................................... 382AlarmArm The System....................................26, 27Disarm The System......................................27Panic............................................................19Rearm The System......................................27Security Alarm.......................................... 111Alarm SystemSecurity Alarm.............................................26Alterations/ModificationsVehicle.........................................................12Amazon FireTV..................................... 234, 240Amazon FireTV Built-in.................................. 234Ambient LightMulticolor.....................................................63Antifreeze (Engine Coolant).................. 347, 400Disposal.................................................... 348
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410 Anti-Lock Brake System (ABS)
............. 111, 248Anti-Lock Warning Light................................. 111Apps.............................................................. 233Arming System Security Alarm............................................. 26Assist, Hill Start............................................. 254Audio Systems (Radio)......................... 104, 203Auto Down Power Windows............................. 82Auto Hold............................................. 115, 125Automatic Folding Mirrors............................... 53Automatic Headlights...................................... 59Automatic High Beams.................................... 59Automatic Temperature Control (ATC)............. 72Automatic Transmission...................... 119, 127Adding Fluid.............................................. 351Fluid And Filter Change............................. 351Fluid Change............................................. 351Fluid Level Check...................................... 351Fluid Type........................................ 351, 402Special Additives....................................... 351Automatic Transmission Limp Home Mode... 129AutoPark........................................................ 120Autostick........................................................ 130Operation.................................................. 130AUX Cord.......................................................... 77Auxiliary Driving Systems............................... 258
Auxiliary Electrical Outlet (Power Outlet).......... 78Auxiliary Power Outlet...................................... 78Axle Fluid...................................................... 402
B
Battery................................................. 109, 338Charging System Light.............................. 109Keyless Key Fob Replacement.................... 19Battery Saver Feature...................................... 62Belts, Seat.................................................... 303Body Mechanism Lubrication....................... 343Bodywork...................................................... 392B-Pillar Location............................................ 379Brake Assist System..................................... 250Brake Control System, Electronic.................. 250Brake Fluid.......................................... 350, 402Brake System...................................... 350, 396Anti-Lock (ABS)......................................... 396Fluid Check............................................... 350Master Cylinder........................................ 350Parking..................................................... 123Warning Light........................................... 108Brake/Transmission Interlock...................... 127Bulb Replacement........................................ 374Bulbs, Light................................................... 305
C
Camera, Front............................................... 176Camera, Night Vision..................................... 177Camera, Rear....................................... 174, 181Camera, Rear Washer................................... 174Camera, Surround View................................ 181Capacities, Fluid............................................ 400Caps, FillerOil (Engine)............................................... 334Radiator (Coolant Pressure)..................... 348Car Washes................................................... 393Carbon Monoxide Warning................... 305, 306Care And Maintenance................................. 392Cargo Area Cover.............................................92Cargo Area Storage..........................................90Cargo Compartment.........................................90Cargo Tie-Downs..............................................91Cellular Phone............................................... 247Center Console, Front......................................75Center Console, Rear.......................................75Chains, Tire................................................... 389ChargingWireless.......................................................80Chart, Tire Sizing........................................... 375Check Engine Light
(Malfunction Indicator Light)......................... 118

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411
Checking Your Vehicle For Safety
.................. 303Checks, Safety............................................... 303Child Restraint............................................... 289Child Restraints Booster Seats............................................ 291Child Seat Installation............................... 300How To Stow An unused ALR Seat Belt..... 297Infant And Child Restraints....................... 290Locating The LATCH Anchorages............... 295Lower Anchors And Tethers For Children.. 292Older Children And Child Restraints..........291Seating Positions...................................... 292Child Safety Locks........................................... 31Clean Air Gasoline......................................... 398CleaningWheels...................................................... 388Climate Control................................................ 66Automatic.................................................... 66Rear............................................................ 69CNG And LP Fuel System Modifications......... 398Cold Weather Operation................................ 122Compact Spare Tire....................................... 386Contract, Service........................................... 405Cooling Pressure Cap (Radiator Cap).............348
Cooling System............................................. 346Adding Coolant (Antifreeze)...................... 347Coolant Level................................... 348, 349Cooling Capacity....................................... 400Disposal Of Used Coolant......................... 348Drain, Flush, And Refill............................. 347Inspection............................... 347, 348, 349Points To Remember................................ 349Pressure Cap............................................ 348Radiator Cap............................................ 348Selection Of Coolant(Antifreeze)......................... 347, 400, 401Corrosion Protection..................................... 392Cruise Control (Speed Control)..................... 142Cruise Light.......................................... 115, 116Customer Assistance.................................... 403Customer Programmable Features............... 204Cybersecurity................................................ 203
D
Daytime Running Lights................................... 58Defroster, Windshield................................... 304De-Icer, Remote Start...................................... 26De-Icer, Windshield.......................................... 66Diagnostic System, Onboard......................... 117Digital Instrument Cluster ¹.............................. 96
DipsticksOil (Engine)............................................... 337DisposalAntifreeze (Engine Coolant)...................... 348Do Not Use E-85 In Non-Flex Fuel Vehicles... 398Door Ajar....................................................... 109Door Locks................................................27, 31Child-Protection Door Lock — Rear Doors....31Doors...............................................................27Driver’s Seat Back Tilt......................................36Driving........................................................... 199Tips........................................................... 199DrowsyDriverDetection................................. 249
E
Electric Brake Control System....................... 250Anti-Lock Brake System............................ 248Electronic Roll Mitigation................. 251, 257Electric Parking Brake................................... 123Electrical Outlet, Auxiliary (Power Outlet).........78
Electronic Stability Control (ESC)... 111, 112, 251
Electronic Sway Bar Disconnect.................... 133Electronic Throttle Control Warning Light...... 109
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