2019 Ram 2500 radiator cap

IN CASE OF EMERGENCY 489
Preparations For Jump Start
The battery in your vehicle is located in the front of the
engine compartment, behind the left headlight assembly.
NOTE:
The positive battery post may be covered with a protective
cap if equipped. Lift up on the cap to gain access to the posi-
tive battery post. Do not jump off fuses. Only jump directly
off positive post which has a positive (+) symbol on or
around the post.
Positive Battery Post 1. Apply the parking brake, shift the automatic transmis-
sion into PARK and turn the ignition OFF.
2. Turn off the heater, radio, and all unnecessary electrical accessories.
WARNING!
• Take care to avoid the radiator cooling fan whenever the hood is raised. It can start anytime the ignition
switch is ON. You can be injured by moving fan blades.
• Remove any metal jewelry such as rings, watch bands and bracelets that could make an inadvertent electrical
contact. You could be seriously injured.
• Batteries contain sulfuric acid that can burn your skin or eyes and generate hydrogen gas which is flammable
and explosive. Keep open flames or sparks away from
the battery.
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494 IN CASE OF EMERGENCY
FREEING A STUCK VEHICLE
If your vehicle becomes stuck in mud, sand, or snow, it can
often be moved using a rocking motion. Turn the steering
wheel right and left to clear the area around the front wheels.
Then shift back and forth between DRIVE and REVERSE,
while gently pressing the accelerator. Use the least amount ofaccelerator pedal pressure that will maintain the rocking
motion, without spinning the wheels or racing the engine.
NOTE:
• For trucks equipped with an 8–speed transmission, shifts
between DRIVE and REVERSE can only be achieved at
wheel speeds of 5 mph (8 km/h) or less. Whenever the
transmission remains in NEUTRAL for more than two
seconds, you must press the brake pedal to engage DRIVE
or REVERSE.
• Push the "ESC Off" switch, to place the Electronic Stability Control (ESC) system in "Partial Off" mode, before rocking
the vehicle. Refer to “Electronic Brake Control” in “Safety”
for further information. Once the vehicle has been freed,
push the "ESC Off" switch again to restore "ESC On" mode.
WARNING!
You or others can be badly burned by hot engine coolant
(antifreeze) or steam from your radiator. If you see or
hear steam coming from under the hood, do not open the
hood until the radiator has had time to cool. Never try to
open a cooling system pressure cap when the radiator or
coolant bottle is hot.
CAUTION!
Driving with a hot cooling system could damage your
vehicle. If the temperature gauge reads HOT (H), pull
over and stop the vehicle. Idle the vehicle with the air
conditioner turned off until the pointer drops back into
the normal range. If the pointer remains on HOT (H),
and you hear continuous chimes, turn the engine off
immediately and call for service.
WARNING!

Fast spinning tires can be dangerous. Forces generated by
excessive wheel speeds may cause damage, or even failure,
of the axle and tires. A tire could explode and injure
someone. Do not spin your vehicle's wheels faster than
30 mph (48 km/h) or for longer than 30 seconds continuously
without stopping when you are stuck and do not let anyone
near a spinning wheel, no matter what the speed.

522 SERVICING AND MAINTENANCE
(Continued)
To minimize the possibility of catalytic converter damage:
• Do not interrupt the ignition when the transmission is ingear and the vehicle is in motion.
• Do not try to start the vehicle by pushing or towing the vehicle.
• Do not idle the engine with any ignition components disconnected or removed, such as when diagnostic testing,
or for prolonged periods during very rough idle or
malfunctioning operating conditions.
Cooling System
Engine Coolant Checks
Check the engine coolant (antifreeze) protection every
12 months (before the onset of freezing weather, where
applicable). If the engine coolant (antifreeze) is dirty or rusty
in appearance, the system should be drained, flushed and
refilled with fresh coolant. Check the front of the A/C
condenser (if equipped) or radiator for any accumulation of
bugs, leaves, etc. If dirty, clean by gently spraying water
from a garden hose vertically down the face of the A/C
condenser (if equipped) or the back of the radiator core.
Check the engine cooling system hoses for brittle rubber,
cracking, tears, cuts and tightness of the connection at the
coolant recovery bottle and radiator. Inspect the entire
system for leaks.
DO NOT REMOVE THE COOLANT PRESSURE CAP
WHEN THE COOLING SYSTEM IS HOT.
WARNING!
• You or others can be badly burned by hot engine coolant (antifreeze) or steam from your radiator. If you
see or hear steam coming from under the hood, do not
open the hood until the radiator has had time to cool.
Never open a cooling system pressure cap when the
radiator or coolant bottle is hot.
• Keep hands, tools, clothing, and jewelry away from the radiator cooling fan when the hood is raised. The fan
starts automatically and may start at any time, whether
the engine is running or not.
• When working near the radiator cooling fan, discon -
nect the fan motor lead or turn the ignition to the OFF
mode. The fan is temperature controlled and can start at
any time the ignition is in the ON mode.
WARNING! (Continued)

SERVICING AND MAINTENANCE 525
Cooling System Pressure Cap
The cap must be fully tightened to prevent loss of engine
coolant (antifreeze), and to ensure that engine coolant (anti-
freeze) will return to the radiator from the coolant expansion
bottle/recovery tank if so equipped.
The cap should be inspected and cleaned if there is any accu-
mulation of foreign material on the sealing surfaces. Disposal Of Used Coolant
Used ethylene glycol-based coolant (antifreeze) is a regu-
lated substance requiring proper disposal. Check with your
local authorities to determine the disposal rules for your
community. To prevent ingestion by animals or children, do
not store ethylene glycol-based coolant in open containers or
allow it to remain in puddles on the ground. If ingested by a
child or pet, seek emergency assistance immediately. Clean
up any ground spills immediately.
Checking Coolant Level — 6.4L Engine
The level of the coolant in the pressurized coolant bottle
should be between the “MIN” and “MAX” range on the
bottle when the engine is cold.
The radiator normally remains completely full, so there is no
need to remove the cap unless checking for coolant freeze
point or replacing engine coolant (antifreeze). Advise your
service attendant of this. As long as the engine operating
temperature is satisfactory, the coolant bottle need only be
checked once a month. When additional engine coolant
(antifreeze) is needed to maintain the proper level, it should
be added to the coolant bottle. Do not overfill.
WARNING!
• Do not open hot engine cooling system. Never add engine coolant (antifreeze) when the engine is over -
heated. Do not loosen or remove the cap to cool an over -
heated engine. Heat causes pressure to build up in the
cooling system. To prevent scalding or injury, do not
remove the pressure cap while the system is hot or
under pressure.
• Do not use a pressure cap other than the one specified for your vehicle. Personal injury or engine damage may
result.
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679
Automatic Door Locks ............................................................. 39
Automatic Headlights .............................................................. 69
Automatic Tailgate Release ................................................... 102
Automatic Temperature Control (ATC) ................................ 91
Automatic Transmission ................................................ 301, 529 Adding Fluid ....................................................................... 529Fluid And Filter Change .................................................... 529
Fluid Change........................................................................ 529
Fluid Level Check ....................................................... 528, 529
Fluid Type .................................................................... 528, 574
Special Additives................................................................. 528
Automatic Transmission Limp Home Mode ...................... 306
Auxiliary Driving Systems .................................................... 208
Axle Fluid......................................................................... 529, 574
Axle Lubrication...................................................................... 529 B
Back-Up .................................................................................... 397
Back-Up Camera ..................................................................... 397
Bar, Stabilizer/Sway System ................................................. 322
Battery............................................................................... 182, 506 Charging System Light....................................................... 182
Keyless Key Fob Replacement ............................................ 21
Battery Saver Feature ............................................................... 73 Belts, Seat ................................................................................. 287
Blind Spot Monitoring............................................................ 208
Body Builders Guide ................................................................ 15 Body Mechanism Lubrication ...............................................517
B-Pillar Location ......................................................................537
Brake Assist System ................................................................197
Brake Control System .............................................................196
Brake Fluid .......................................................................527, 574
Brake System....................................................................527, 565 Fluid Check ..........................................................................527
Master Cylinder ...................................................................527Parking ..................................................................................298
Warning Light......................................................................180
Brake/Transmission Interlock ..............................................301
Bulb Replacement ...................................................................446
Bulbs, Light ......................................................................289, 446 C
Cab Top Clearance Lights ......................................................455
Camera...................................................................................... 397
Camera, Rear....................................................................397, 401
Camper .....................................................................................144
Capacities, Fluid ......................................................................571
Caps, Filler Oil (Engine) ..................................................................504, 508
Radiator (Coolant Pressure)...............................................525
Car Washes ..............................................................................558
Carbon Monoxide Warning ...........................................286, 570
Cargo Light ................................................................................72 Cellular Phone .........................................................................647
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680
Center High Mounted Stop Light......................................... 453
Center Seat Storage Compartment ....................................... 113
Changing A Flat Tire .............................................................. 469
Chart, Tire Sizing .................................................................... 533
Check Engine Light (Malfunction Indicator Light) ........... 193
Checking Your Vehicle For Safety ........................................ 286
Checks, Safety .......................................................................... 286
Child Restraint ........................................................................ 258
Child Restraints Booster Seats ........................................................................ 262
Child Seat Installation ................................................ 275, 277
How To Stow An unused ALR Seat Belt ......................... 273Infant And Child Restraints .............................................. 260Locating The LATCH Anchorages ................................... 269
Lower Anchors And Tethers For Children ..................... 264Older Children And Child Restraints .............................. 261
Seating Positions ................................................................. 263
Clean Air Gasoline .................................................................. 568
Cleaning Wheels................................................................................... 551
Climate Control ......................................................................... 79 Automatic ............................................................................... 83
Manual .................................................................................... 79
Cold Weather Operation........................................................ 296
Compact Disc (CD) Maintenance ......................................... 672
Compact Spare Tire ................................................................ 549 Contract, Service......................................................................675
Cooling Pressure Cap (Radiator Cap) ..................................525
Cooling System ........................................................................522
Adding Coolant (Antifreeze) .............................................524
Coolant Level ...............................................................522, 525Cooling Capacity .................................................................571
Disposal Of Used Coolant..................................................525Drain, Flush, And Refill .....................................................523
Inspection ............................................................................. 525
Points To Remember ........................................................... 526Pressure Cap ........................................................................525Radiator Cap ........................................................................525Selection Of Coolant (Antifreeze) .....................523, 571, 572
Corrosion Protection ...............................................................557
Cruise Control (Speed Control) ....................................354, 357
Cruise Light .....................................................................191, 192
Cupholders...............................................................................122
Customer Assistance ..............................................................673
Cybersecurity ...........................................................................576 D
Daytime Running Lights ..........................................................68
Dealer Service ..........................................................................506
Defroster, Rear Window ..........................................................79
Defroster, Windshield ......................................................79, 287
Delay (Intermittent) Wipers ....................................................77
Diagnostic System, Onboard .................................................192

687
Rearward ................................................................................ 44
Recline..................................................................................... 44
Tilt ........................................................................................... 44
Up ............................................................................................ 44
Power Steering Fluid .............................................................. 574
Pregnant Women And Seat Belts.......................................... 242
Pretensioners Seat Belts............................................................................... 242 R
Radial Ply Tires ....................................................................... 543
Radiator Cap (Coolant Pressure Cap).......................... 522, 525
Radio Frequency General Information ........................................... 24, 29, 31, 38
Radio Operation ...................................................................... 647
Rain Sensitive Wiper System................................................... 78
Ramp Travel Index ................................................................. 324
Rear Axle (Differential) .......................................................... 529
Rear Camera ............................................................................ 401
Rear Cargo Area Utility Rails................................................ 142
Rear Cross Path ....................................................................... 213
Rear ParkSense System .................................................. 379, 387
Rear Window, Sliding .............................................................. 97
Reclining Rear Seats ................................................................. 43
Recreational Towing ............................................................... 430 Shifting Into Transfer Case Neutral (N) .......................... 433
Shifting Out Of Transfer Case Neutral (N) ..................... 435 Reformulated Gasoline........................................................... 568
Refrigerant................................................................................512
Release, Hood ..........................................................................101
Release, Tailgate ......................................................................102
Reminder, Seat Belt .................................................................232
Remote Keyless Entry...............................................................19 Panic Alarm............................................................................19
Programming Additional Key Fobs ............................. 24, 30
Remote Starting Exit Remote Start Mode........................................................29

Uconnect Customer Programmable Features ... 588, 613, 633

Uconnect Settings ................................................588, 613, 633
Replacement Bulbs..................................................................446
Replacement Keys .....................................................................31
Replacement Tires ...................................................................546
Reporting Safety Defects ........................................................676
Restraints, Child ......................................................................258
Restraints, Head ........................................................................51 Rotation, Tires..........................................................................553 S
Safety Checks Inside Vehicle .................................................287
Safety Checks Outside Vehicle ..............................................289
Safety Defects, Reporting .......................................................676
Safety Information, Tire .........................................................531
Safety Tips ................................................................................286
Safety, Exhaust Gas.................................................................286
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