2014 JEEP GRAND CHEROKEE brake fluid

13. Brake Warning LightThis light monitors various brake functions,
including brake fluid level and parking brake
application. If the brake light turns on it may
indicate that the parking brake is applied, that
the brake fluid level is low, or that there is a problem with
the anti-lock brake system reservoir.
If the light remains on when the parking brake has been
disengaged, and the fluid level is at the full mark on the
master cylinder reservoir, it indicates a possible brake
hydraulic system malfunction or that a problem with the
Brake Booster has been detected by the Anti-Lock Brake
System (ABS) / Electronic Stability Control (ESC) system.
In this case, the light will remain on until the condition
has been corrected. If the problem is related to the brake
booster, the ABS pump will run when applying the brake
and a brake pedal pulsation may be felt during each stop. The dual brake system provides a reserve braking capac-
ity in the event of a failure to a portion of the hydraulic
system. A leak in either half of the dual brake system is
indicated by the Brake Warning Light, which will turn on
when the brake fluid level in the master cylinder has
dropped below a specified level.
The light will remain on until the cause is corrected.
NOTE:
The light may flash momentarily during sharp
cornering maneuvers, which change fluid level condi-
tions. The vehicle should have service performed, and
the brake fluid level checked.
If brake failure is indicated, immediate repair is necessary.
3
UNDERSTANDING YOUR INSTRUMENT PANEL 15

5. If you wish to stop the cranking of the engine prior tothe engine starting, press the button again.
6. Check that the oil pressure warning light has turned off.
7. Release the parking brake.
Starting Fluids
The engine is equipped with a glow plug preheating
system. If the instructions in this manual are followed,
the engine should start in all conditions and no type of
starting fluid should be used.
WARNING!
• Do not leave children or animals inside parked
vehicles in hot weather. Interior heat build up may
cause serious injury or death.
(Continued)
WARNING! (Continued)
•When leaving the vehicle, always remove the key
fob and lock your vehicle.
• Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Allowing children to
be in a vehicle unattended is dangerous for a
number of reasons. A child or others could be
seriously or fatally injured. Children should be
warned not to touch the parking brake, brake pedal
or the shift lever. Do not leave the key fob in or
near the vehicle (or in a location accessible to
children), and do not leave the ignition of a vehicle
equipped with Keyless Enter-N-Go™ in the ACC
or ON/RUN mode. A child could operate power
windows, other controls, or move the vehicle.
38 STARTING AND OPERATING

MAINTAINING YOUR VEHICLE
CONTENTS
ENGINE COMPARTMENT — 3.0L DIESEL .....72
 MAINTENANCE PROCEDURES ............73
▫ Engine Oil ...........................74
▫ Engine Air Cleaner Filter ................77
▫ Draining Fuel/Water Separator Filter ........78
▫ Underbody Mounted Fuel Filter Replacement . .80
▫ Priming If The Engine Has Run Out Of Fuel . . .81
▫ Intervention Regeneration Strategy —
EVIC Message Process Flow ..............83▫
Maintenance-Free Batteries ...............84
▫ Cooling System .......................84
▫ Charge Air Cooler — Inter-Cooler ..........90
▫ Brake System .........................91
 FLUID CAPACITIES .....................93
 FLUIDS, LUBRICANTS AND GENUINE
PARTS ...............................94
▫ Engine .............................94
▫ Chassis .............................96
5

Brake System
Brake Master Cylinder — Brake Fluid Level Check
The fluid level of the master cylinder should be checked
when performing under the hood service, or immedi-
ately if the “Brake System Warning Light” indicates
system failure.
The brake master cylinder has a translucent plastic
reservoir. On the outboard side of the reservoir, there is a
“MAX” mark and a “MIN” mark. The fluid level must be
kept within these two marks. Do not add fluid above the
full mark because leakage may occur at the cap.
With disc brakes, the fluid level can be expected to fall as
the brake linings wear. However, an unexpected drop in
fluid level may be caused by a leak and a system check
should be conducted.Refer to “Fluids, Lubricants, and Genuine Parts” in
“Maintaining Your Vehicle” for further information.WARNING!
•
Use only manufacturer’s recommended brake
fluid. Refer to “Fluids, Lubricants, and Genuine
Parts” in “Maintaining Your Vehicle” for further
information. 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.
(Continued)
5
MAINTAINING YOUR VEHICLE 91

WARNING!(Continued)
•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 a open container absorbs moisture from the
air resulting in a lower boiling point. This may
cause it to boil unexpectedly during hard or pro-
longed braking, resulting in sudden brake failure.
This could result in a accident.
(Continued)
WARNING! (Continued)
•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 contaminate
the brake fluid. Brake seal components could be
damaged, causing partial or complete brake failure.
This could result in an accident.
92 MAINTAINING YOUR VEHICLE

ComponentFluid, Lubricant, or Genuine Part
Axle Differential (Rear) – With Electronic Limited-Slip
Differential (ELSD) We recommend you use MOPAR® GL-5 Synthetic Axle
Lubricant SAE 75W-85 with friction modifier additive.
Axle Differential (Rear) – Without Electronic Limited-
Slip Differential (ELSD) We recommend you use MOPAR® GL-5 Synthetic Axle
Lubricant SAE 75W-85.
Brake Master Cylinder We recommend you use MOPAR® DOT 3 Brake Fluid,
SAE J1703 should be used. If DOT 3, SAE J1703 brake
fluid is not available, then DOT 4 is acceptable.
Power Steering Reservoir – 3.0L Engine We recommend you use MOPAR® Hydraulic fluid
MS-11655.
5
MAINTAINING YOUR VEHICLE 97

Once A Month Or Before A Long Trip:
•Check engine oil level
• Check windshield washer fluid level
• Check the tire inflation pressures and look for unusual
wear or damage
• Check the fluid levels of the coolant reservoir, brake
master cylinder, power steering and transmission as
needed
• Check function of all interior and exterior lights
Required Maintenance
Refer to the Maintenance Schedules on the following
pages for required maintenance.At Every Oil Change Interval As Indicated By Oil Change Indicator System:
•Change oil and filter.
• Completely fill the Diesel Exhaust Fluid tank.
• Rotate the tires. Rotate at the first sign of irregu-
lar wear, even if it occurs before the oil indicator
system turns on.
• Inspect battery and clean and tighten terminals as
required.
• Inspect automatic transmission fluid if equipped
with dipstick.
• Inspect brake pads, shoes, rotors, drums, hoses
and park brake.
•
Inspect engine cooling system protection and hoses.
• Inspect exhaust system.
• Inspect engine air cleaner if using in dusty or
off-road conditions.
6
MAINTENANCE SCHEDULE 101

Maintenance Chart — Diesel Fuel Up To B5 Biodiesel
Mileage or time passed (whichever comes first)
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000 110,000
120,000
130,000
140,000
150,000
Or Years: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
16,000
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
Additional Inspections
Completely fill the Diesel Exhaust Fluid tank. X X X X X X X X X X X X X X X
Inspect the CV joints. XXX XX
Inspect front suspension, tie rod ends, and replace if
necessary. XX XX XXX
Inspect the front and rear axle fluid, change if using
your vehicle for police, taxi, fleet, off-road or frequent
trailer towing. XX XX XXX
Inspect the brake linings, parking brake function. X X X X X X X
Inspect transfer case fluid. XXX X
102 MAINTENANCE SCHEDULE