brake fluid Ram 3500 2019 Owner's Manual

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DEALER SERVICE ........................................................... 506
Engine Oil — Gas Engine .......................................... 507
Engine Oil Filter ......................................................... 509
Engine Air Cleaner Filter ......................................... 509
Air Conditioner Maintenance ................................. 511
Accessory Drive Belt Inspection ................................ 516
Body Lubrication ....................................................... 517
Windshield Wiper Blades ......................................... 517
Exhaust System ........................................................... 520
Cooling System ........................................................... 522
Brake System ............................................................... 527
Automatic Transmission ............................................ 528
Rear Axle And 4x4 Front Driving Axle Fluid
Level .......................................................................... 529
Transfer Case ............................................................... 530
 HOISTING ......................................................................... 531 
TIRES ..................................................................................531
Tire Safety Information ............................................531
Tires — General Information ...................................541
Tire Types .....................................................................547
Spare Tires — If Equipped .....................................548
Wheel And Wheel Trim Care ..................................551
Tire Chains (Traction Devices) ................................. 552
Tire Rotation Recommendations ..............................553
 DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES ...............................................555
Treadwear .....................................................................556
Traction Grades............................................................ 556
Temperature Grades ................................................... 556
 STORING THE VEHICLE .............................................557
 BODYWORK ......................................................................557
Protection From Atmospheric Agents ....................557
Body And Underbody Maintenance .........................558
Preserving The Bodywork .......................................... 558
 INTERIORS .......................................................................561
Seats And Fabric Parts ................................................561
Plastic And Coated Parts ............................................562
Leather Parts.................................................................563
Glass Surfaces ..............................................................563

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TECHNICAL SPECIFICATIONS
IDENTIFICATION DATA ............................................... 564
Vehicle Identification Number ................................. 564
 BRAKE SYSTEM ............................................................... 565
Hydraulic Brake Assist — 2500/3500 Models Only
(Except Power Wagon) ............................................... 565
 WHEEL AND TIRE TORQUE SPECIFICATIONS ..... 565
Torque Specifications ................................................ 565
 FUEL REQUIREMENTS .............................................. 567
6.4L Engine ................................................................... 567
Reformulated Gasoline .......................................... 568
Materials Added To Fuel .......................................... 568
Gasoline/Oxygenate Blends .................................... 568
Do Not Use E-85 In Non-Flex Fuel Vehicles............ 569
CNG And LP Fuel System Modifications ................ 569
MMT In Gasoline......................................................... 569
Fuel System Cautions.................................................. 570
Carbon Monoxide Warnings ................................... 570
 FLUID CAPACITIES .................................................... 571
 FLUIDS AND LUBRICANTS ......................................... 572
Engine ........................................................................... 572
Chassis ........................................................................ 574
MULTIMEDIA
UCONNECT SYSTEMS ................................................... 575
 DRAG & DROP MENU BAR .........................................575
 CYBERSECURITY ............................................................ 576
 UCONNECT SETTINGS .................................................578
Uconnect 3 Settings .....................................................578
Uconnect 4/4C/4C NAV Settings.............................597
Uconnect 4C NAV With 12–inch Display
Settings ..........................................................................621
 STEERING WHEEL AUDIO CONTROLS —
IF EQUIPPED ...................................................................642
Radio Operation........................................................... 642
Media Mode..................................................................642
 IPOD/USB/MP3 CONTROL — IF EQUIPPED ........643
 RADIO OPERATION AND MOBILE PHONES .........647
Regulatory And Safety Information .........................648

180 GETTING TO KNOW YOUR INSTRUMENT PANEL
— Air Bag Warning Light
This warning light will illuminate to indicate a fault with the
air bag, and will turn on for four to eight seconds as a bulb
check when the ignition is placed in the ON/RUN or ACC/
ON/RUN position. This light will illuminate with a single
chime when a fault with the air bag has been detected, it will
stay on until the fault is cleared. If the light is either not on
during startup, stays on, or turns on while driving, have the
system inspected at an authorized dealer as soon as possible.
— Brake Warning Light
This warning 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 capacity 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 spec
-
ified 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 conditions. The vehicle
should have service performed, and the brake fluid level
checked.
If brake failure is indicated, immediate repair is necessary.
WARNING!
Driving a vehicle with the red brake light on is
dangerous. Part of the brake system may have failed. It
will take longer to stop the vehicle. You could have a
collision. Have the vehicle checked immediately.

GETTING TO KNOW YOUR INSTRUMENT PANEL 183
— Electric Power Steering Fault Warning Light
This warning light will turn on when there's a fault with the
EPS (Electric Power Steering) system. Refer to “Power
Steering” in “Starting And Operating” for further informa -
tion.
— Trailer Brake Disconnected Warning Light
This warning light will illuminate when the Trailer Brake has
been disconnected.
— Transmission Temperature Warning Light — If
Equipped
This warning light will illuminate to warn of a high transmis -
sion fluid temperature. This may occur with strenuous usage
such as trailer towing. If this light turns on, stop the vehicle
and run the engine at idle or slightly faster, with the trans -
mission in PARK or NEUTRAL, until the light turns off.
Once the light turns off, you may continue to drive normally. — Door Open Warning Light
This indicator will illuminate when a door is ajar/open and
not fully closed.
NOTE:
If the vehicle is moving there will also be a single chime.
WARNING!
Continued operation with reduced assist could pose a
safety risk to yourself and others. Service should be
obtained as soon as possible.
WARNING!
If you continue operating the vehicle when the
Transmission Temperature Warning Light is illuminated
you could cause the fluid to boil over, come in contact
with hot engine or exhaust components and cause a fire.
CAUTION!
Continuous driving with the Transmission Temperature
Warning Light illuminated will eventually cause severe
transmission damage or transmission failure.
3

SAFETY 289
Periodic Safety Checks You Should Make Outside
The Vehicle
Tires
Examine tires for excessive tread wear and uneven wear
patterns. Check for stones, nails, glass, or other objects
lodged in the tread or sidewall. Inspect the tread for cuts and
cracks. Inspect sidewalls for cuts, cracks, and bulges. Check
the wheel bolts for tightness. Check the tires (including
spare) for proper cold inflation pressure.
Lights
Have someone observe the operation of brake lights and
exterior lights while you work the controls. Check turn
signal and high beam indicator lights on the instrument
panel.
Door Latches
Check for proper closing, latching, and locking.
Fluid Leaks
Check area under the vehicle after overnight parking for
fuel, coolant, oil, or other fluid leaks. Also, if gasoline fumes
are detected or if fuel, or brake fluid leaks are suspected. The
cause should be located and corrected immediately.
• ALWAYS make sure objects cannot fall or slide into the
driver’s side floor area when the vehicle is moving.
Objects can become trapped under accelerator, brake,
or clutch pedals and could cause a loss of vehicle
control.
• NEVER place any objects under the floor mat (e.g., towels, keys, etc.). These objects could change the posi -
tion of the floor mat and may cause interference with
the accelerator, brake, or clutch pedals.
• If the vehicle carpet has been removed and re-installed, always properly attach carpet to the floor and check the
floor mat fasteners are secure to the vehicle carpet.
Fully depress each pedal to check for interference with
the accelerator, brake, or clutch pedals then re-install
the floor mats.
• It is recommended to only use mild soap and water to clean your floor mats. After cleaning, always check
your floor mat has been properly installed and is
secured to your vehicle using the floor mat fasteners by
lightly pulling mat.
WARNING! (Continued)
4

STARTING AND OPERATING 331
the brakes are required to control vehicle speed, apply
them lightly and avoid locking or skidding the tires.
Driving Through Water
Extreme care should be taken crossing any type of water.
Water crossings should be avoided if possible and only be
attempted when necessary, in a safe responsible manner.
You should only drive through areas which are designated
and approved. You should tread lightly and avoid damage
to the environment. You should know your vehicle's abilities
and be able to recover it if something goes wrong. You
should never stop or shut a vehicle off when crossing deep
water unless you ingested water into the engine air intake. If
the engine stalls do not attempt to restart it. Determine if it
has ingested water first. The key to any crossing is low andslow. You want to use first gear in 4L (Low Range) and
proceed very slowly with a constant slow speed (3-5 mph
[5–8 km/h] maximum) and light throttle. Keep the vehicle
moving; do not try to accelerate through the crossing. After
crossing any water higher than the bottom of the axle differ
-
entials, you should inspect all of the vehicle fluids for signs
of water ingestion.
• Before You Cross Any Type Of Water – As you approach
any type of water you need to determine if you can cross it
safely and responsibly. If necessary, get out and walk
through the water or probe it with a stick. You need to be
sure of its depth, approach angle, current and bottom
condition. Be careful of murky or muddy waters, check for
hidden obstacles. Make sure you will not be intruding on
any wildlife and you can recover the vehicle if necessary.
The key to a safe crossing is the water depth, current and
bottom conditions. On soft bottoms the vehicle will sink in,
WARNING!
If the engine stalls or you lose headway or cannot make
it to the top of a steep hill or grade, never attempt to turn
around. To do so may result in tipping and rolling the
vehicle, which may result in severe injury. Always back
carefully straight down a hill in REVERSE. Never back
down a hill in NEUTRAL using only the vehicle brakes.
Never drive diagonally across a hill, always drive
straight up or down.
CAUTION!
Water ingestion into the axles, transmission, transfer
case, engine or vehicle interior can occur if you drive too
fast or through too deep of water. Water can cause
permanent damage to engine, driveline or other vehicle
components and your brakes will be less effective once
wet and/or muddy.
5

STARTING AND OPERATING 411
Curb Weight
The curb weight of a vehicle is defined as the total weight of
the vehicle with all fluids, including vehicle fuel, at full
capacity conditions, and with no occupants or cargo loaded
into the vehicle. The front and rear curb weight values are
determined by weighing your vehicle on a commercial scale
before any occupants or cargo are added.
Loading
The actual total weight and the weight of the front and rear
of your vehicle at the ground can best be determined by
weighing it when it is loaded and ready for operation.
The entire vehicle should first be weighed on a commercial
scale to insure that the GVWR has not been exceeded. The
weight on the front and rear of the vehicle should then be
determined separately to be sure that the load is properly
distributed over the front and rear axle. Weighing the vehicle
may show that the GAWR of either the front or rear axles has
been exceeded but the total load is within the specified
GVWR. If so, weight must be shifted from front to rear or
rear to front as appropriate until the specified weight limita-
tions are met. Store the heavier items down low and be sure
that the weight is distributed equally. Stow all loose items
securely before driving. Improper weight distributions can have an adverse effect on
the way your vehicle steers and handles and the way the
brakes operate.
TRAILER TOWING
In this section you will find safety tips and information on
limits to the type of towing you can reasonably do with your
vehicle. Before towing a trailer, carefully review this infor
-
mation to tow your load as efficiently and safely as possible.
To maintain the New Vehicle Limited Warranty coverage,
follow the requirements and recommendations in this
manual concerning vehicles used for trailer towing. CAUTION!
Do not load your vehicle any heavier than the GVWR or
the maximum front and rear GAWR. If you do, parts on
your vehicle can break, or it can change the way your
vehicle handles. This could cause you to lose control.
Also overloading can shorten the life of your vehicle.
5

STARTING AND OPERATING 431
Recreational Towing — Two-Wheel Drive Models
DO NOT flat tow this vehicle. Damage to the drivetrain
will result.
Recreational towing (for two-wheel drive models) is allowed
ONLY if the rear wheels are OFF the ground. This may be
accomplished using a tow dolly or vehicle trailer. If using a
tow dolly, follow this procedure:
NOTE:
If vehicle is equipped with air suspension, ensure the vehicle
is set to Normal Ride Height.
1. Properly secure the dolly to the tow vehicle, following the dolly manufacturer's instructions.
2. Drive the rear wheels onto the tow dolly.
3. Firmly apply the parking brake. Place automatic trans -
mission in PARK. 4. Properly secure the rear wheels to the dolly, following the
dolly manufacturer's instructions.
5. Turn the ignition OFF and remove the key fob.
6. Install a suitable clamping device, designed for towing, to secure the front wheels in the straight position.
CAUTION!
• Towing with the rear wheels on the ground will cause severe transmission damage. Damage from improper
towing is not covered under the New Vehicle Limited
Warranty.
• Do not disconnect the driveshaft because fluid may leak from the transmission, causing damage to internal
parts.
5

500 SERVICING AND MAINTENANCE
Once A Month Or Before A Long Trip:
• Check engine oil level
• Check windshield washer fluid level
• Check tire pressure and look for unusual wear or damage.Rotate tires at the first sign of irregular wear, even if it
occurs before the oil indicator system turns on. • Check the fluid levels of the coolant reservoir, brake
master cylinder, power steering and automatic transmis -
sion (six-speed only) and fill as needed
• Check function of all interior and exterior lights
Maintenance Plan
Required Maintenance
Refer to the Maintenance Plan on the following pages for required maintenance.
At Every Oil Change Interval As Indicated By Oil Change Indicator System:
• Change oil and filter.
• Rotate the tires. Rotate at the first sign of irregular wear, even if it occurs before the oil indicator system turns on.
• Inspect battery and clean and tighten terminals as required.
• 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. If required, replace air cleaner filter.

SERVICING AND MAINTENANCE 501
Mileage or time passed
(whichever comes first)
20,000
30,000
40,00050,000
60,000
70,000
80,00090,000
100,000
110,000120,000130,000140,000150,000
Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
32,000 48,000
64,00080,000
96,000
112,000
128,000144,000160,000
176,000192,000208,000224,000240,000
Additional Inspections
Inspect the CV/Universal joints. X X X XX XX
Inspect front suspension, tie rod
ends, and replace if necessary. X X X
XX XX

Inspect the front and rear axle
surfaces. If gear oil leakage is
suspected, check the fluid
level. If using your vehicle for
police, taxi, fleet, off-road or
frequent trailer towing, change
axle fluid.
X X X
XX XX
Inspect the brake linings,
replace as necessary. X X X
XX XX
Adjust parking brake as
necessary. X X X
XX XX
Inspect transfer case fluid. XX X
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