2020 Ram 2500 oil

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Page 230 of 553

Ram 2500 2020 Owners Manual
228STARTING AND OPERATING
The block heater must be plugged in at least
one hour to have an adequate warming effect
on the coolant.
NOTE:
The block heater will require 110 Volts AC and
6.5 Amps t

228STARTING AND OPERATING
The block heater must be plugged in at least
one hour to have an adequate warming effect
on the coolant.
NOTE:
The block heater will require 110 Volts AC and
6.5 Amps to activate the heater element.
Block Heater Usage
For ambient temperatures below 0°F (-18°C),
engine block heater usage is recommended.
For ambient temperatures below –20°F
(-29°C), engine block heater usage is required.
ENGINE BREAK-IN RECOMMENDATIONS —
GAS ENGINE
A long break-in period is not required for the
engine and drivetrain (transmission and axle) in
your vehicle.
Drive moderately during the first 300 miles
(500 km). After the initial 60 miles (100 km), speeds up to 50 or 55 mph (80 or 90 km/h) are
desirable.
While cruising, brief full-throttle acceleration
within the limits of local traffic laws contributes
to a good break-in. Wide-open throttle accelera-
tion in low gear can be detrimental and should
be avoided.
The engine oil installed in the engine at the
factory is a high-quality energy conserving type
lubricant. Oil changes should be consistent with
anticipated climate conditions under which
vehicle operations will occur. For the recom
-
mended viscosity and quality grades, refer to
“Fluids And Lubricants” in “Technical Specifica-
tions”.
NOTE:
A new engine may consume some oil during its
first few thousand miles (kilometers) of opera -
tion. This should be considered a normal part of
the break-in and not interpreted as a problem.
Please check your oil level with the engine oil indicator often during the break in period. Add
oil as required.
ENGINE BREAK-IN RECOMMENDATIONS —
DIESEL ENGINE
The Cummins® Turbo Diesel engine does not
require a break-in period due to its construction.
Normal operation is allowed, providing the
following recommendations are followed:
Warm up the engine before placing it under
load.
Do not operate the engine at idle for
prolonged periods.
Use the appropriate transmission gear to
prevent engine lugging.
Observe vehicle oil pressure and tempera
-
ture indicators.
Check the coolant and oil levels frequently.
Vary throttle position at highway speeds
when carrying or towing significant weight.
WARNING!
Remember to disconnect the cord before
driving. Damage to the 110–115 Volt
electrical cord could cause electrocution.
CAUTION!
Never use Non-Detergent Oil or Straight
Mineral Oil in the engine or damage may
result.

20_DJD2_OM_EN_USC_t.book Page 228

Page 261 of 553

Ram 2500 2020 Owners Manual
STARTING AND OPERATING259
slowly proceed over the top. If the wheels
start to slip as you approach the crest of a
hill, ease off the accelerator and maintain
headway by turning the steering wheel

STARTING AND OPERATING259
slowly proceed over the top. If the wheels
start to slip as you approach the crest of a
hill, ease off the accelerator and maintain
headway by turning the steering wheel no
more than a quarter turn quickly back and
forth. This will provide a fresh "bite" into the
surface and will usually provide enough trac -
tion to complete the climb. If you do not make
it to the top, place the vehicle in REVERSE
and back straight down the grade using
engine resistance along with the vehicle
brakes.
Driving Downhill – Before driving down a
steep hill you need to determine if it is too
steep for a safe descent. What is the surface
traction? Is the grade too steep to maintain a
slow controlled descent? Are there obsta -
cles? Is it a straight descent? Is there plenty
of distance at the base of the hill to regain
control if the vehicle descends too fast? If
you feel confident in your ability to proceed then make sure you are in 4WD LOW with the
transmission in FIRST gear (manually select
FIRST gear on automatic transmissions) and
proceed with caution. Allow engine braking to
control the descent and apply your brakes if
necessary, but do not allow the tires to lock.
Driving Across An Incline
– If at all possible
avoid driving across an incline. If it is neces -
sary, know your vehicle's abilities. Driving
across an incline places more weight on the
downhill wheels, which increases the possi -
bilities of a downhill slide or rollover. Make
sure the surface has good traction with firm
and stable soils. If possible transverse the
incline at an angle heading slightly up or
down.
If You Stall Or Begin To Lose Headway – If you
stall or begin to lose headway while climbing
a steep hill, allow your vehicle to come to a
stop and immediately apply the brake.
Restart the engine and shift into REVERSE.
Back slowly down the hill allowing the
compression braking of the engine and trans -
mission to help regulate your speed. If the
brakes are required to control vehicle speed,
apply them lightly and avoid locking or skid-
ding the tires.
WARNING!
Never attempt to climb a hill at an angle or
turn around on a steep grade. Driving across
an incline increases the risk of a roll over,
which may result in severe injury or death.
WARNING!
Do not descend a steep grade in NEUTRAL.
Use vehicle brakes in conjunction with engine
braking. Descending a grade too fast could
cause you to lose control and be seriously
injured or killed.
WARNING!
Driving across an incline increases the risk of
a rollover, which may result in severe injury.
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.
5

20_DJD2_OM_EN_USC_t.book Page 259

Page 314 of 553

Ram 2500 2020 Owners Manual
312STARTING AND OPERATING
(Continued)
ENGINE RUNAWAY — DIESEL ENGINE
Diesel engine runaway is a rare condition
affecting diesel engines, where the engine
consumes its own lubrication oil and ru

312STARTING AND OPERATING
(Continued)
ENGINE RUNAWAY — DIESEL ENGINE
Diesel engine runaway is a rare condition
affecting diesel engines, where the engine
consumes its own lubrication oil and runs at
higher and higher RPM until it overspeeds to a
point where it destroys itself due to either
mechanical failure or engine seizure through
lack of lubrication.
REFUELING THE VEHICLE — GAS ENGINE
The fuel filler cap (gas cap) is located behind the
fuel filler door, on the left side of the vehicle.
Open the fuel door and remove the fuel filler cap
by turning it counter-clockwise.
Fuel Filler Cap

NOTE:
When removing the fuel filler cap, lay the cap
tether in the hook, located on the fuel filler door.
WARNING!
In case of engine runaway due to flammable
fumes from fuel spills or turbocharger oil
leaks being sucked into the engine, do the
following to help avoid personal injury and/or
vehicle damage:
1. Turn the ignition switch to the OFF position.
2. Using a CO2 or dry chemical type fire
extinguisher, direct the spray from the fire
extinguisher into the grille on the driver side
so that the spray enters the engine air intake.
The inlet for the engine air intake is located
behind the drivers side headlamp and
receives air through the grille.
WARNING!
Never have any smoking materials lit in or
near the vehicle when the gas cap is
removed or the tank is being filled.
Never add fuel to the vehicle when the
engine is running.
A fire may result if gasoline is pumped into
a portable container that is inside of a
vehicle. You could be burned. Always place
gas containers on the ground while filling.
CAUTION!
Damage to the fuel system or emissions
control system could result from using an
improper fuel tank filler tube cap.
A poorly fitting fuel filler cap could let impu -
rities into the fuel system.
A poorly fitting fuel filler cap may cause the
“Malfunction Indicator Light (MIL)” to turn
on.
To avoid fuel spillage and overfilling, do not
“top off” the fuel tank after filling. When the
fuel nozzle “clicks” or shuts off, the fuel
tank is full.
WARNING! (Continued)

20_DJD2_OM_EN_USC_t.book Page 312

Page 338 of 553

Ram 2500 2020 Owners Manual
336STARTING AND OPERATING
(Continued)
Off-Road Driving Tips
Care should be taken when attempting to climb
steep hills or driving diagonally across a hill or
slope. If natural obstacles force yo

336STARTING AND OPERATING
(Continued)
Off-Road Driving Tips
Care should be taken when attempting to climb
steep hills or driving diagonally across a hill or
slope. If natural obstacles force you to travel
diagonally up or down a hill, choose a mild angle
and keep as little side tilt as possible. Keep the
vehicle moving and make turns slowly and
cautiously. If you must back down a hill, back straight down
using REVERSE gear. Never back down in
NEUTRAL or diagonally across the hill.
When driving over sand, mud, and other soft
terrain, shift to low gear and drive steadily.
Apply the accelerator slowly to avoid spinning
the wheels.
Do not reduce the tire pressures for this type of
driving.
After Driving Off-Road
Off-road operation puts more stress on your
vehicle than does most on-road driving. After
going off-road, it is always a good idea to check
for damage. That way you can get any problems
taken care of right away and have your vehicle
ready when you need it.
Completely inspect the underbody of your
vehicle. Check tires, body structure, steering,
suspension, and exhaust system for damage.
Inspect the radiator for mud and debris and
clean as required.
Driving through standing water limits your
vehicle’s braking capabilities, which
increases stopping distances. Therefore,
after driving through standing water, drive
slowly and lightly press on the brake pedal
several times to dry the brakes.
Failure to follow these warnings may result
in injuries that are serious or fatal to you,
your passengers, and others around you.
CAUTION!
Always check the depth of the standing
water before driving through it. Never drive
through standing water that is deeper than
the bottom of the tire rims mounted on the
vehicle.
Determine the condition of the road or the
path that is under water and if there are any
obstacles in the way before driving through
the standing water.
Do not exceed 5 mph (8 km/h) when
driving through standing water. This will
minimize wave effects.
WARNING!
(Continued)
Driving through standing water may cause
damage to your vehicle’s drivetrain compo -
nents. Always inspect your vehicle’s fluids
(i.e., engine oil, transmission, axle, etc.) for
signs of contamination (i.e., fluid that is
milky or foamy in appearance) after driving
through standing water. Do not continue to
operate the vehicle if any fluid appears
contaminated, as this may result in further
damage. Such damage is not covered by
the New Vehicle Limited Warranty.
Getting water inside your vehicle’s engine
can cause it to lock up and stall out, and
cause serious internal damage to the
engine. Such damage is not covered by the
New Vehicle Limited Warranty.
CAUTION! (Continued)

20_DJD2_OM_EN_USC_t.book Page 336

Page 352 of 553

Ram 2500 2020 Owners Manual
350IN CASE OF EMERGENCY

Dual Rear Wheel Jack Placement

6. Finish tightening the lug nuts. Push down on the lug wrench while at the end of the handle
for increased leverage. Tighten the lug nuts

Page 359 of 553

Ram 2500 2020 Owners Manual
IN CASE OF EMERGENCY357
F3730 Amp Pink –Fuel Heater #2, Aux Relay 2 – If Equipped (HD Only)
SSV (DS 1500 Only)
F38 30 Amp Pink –Integrated Trailer Brake Module – If Equipped (HD Only)
Power I

Page 360 of 553

Ram 2500 2020 Owners Manual
358IN CASE OF EMERGENCY
F56 –10 Amp Red Fuel Vapor Blocker Valve - If Equipped (HD Only)
F57 –20 Amp Yellow TCM/PCM / Solenoid Trans Pressure SW (RFE Trans Only)
– If Equipped (HD Only)
Tran

Page 361 of 553

Ram 2500 2020 Owners Manual
IN CASE OF EMERGENCY359
F68 –10 Amp Red AEB RACAM HTR – If Equipped (HD Only)
F69 –15 Amp Blue SCR Module – If Equipped (HD Only)
F70 –30 Amp GreenFuel Pump Motor / K09 RLY Coil Feed (Cummi

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