2021 RAM PROMASTER CITY engine coolant

SERVICING AND MAINTENANCE227
Under normal operating conditions, the
catalytic converter will not require
maintenance. However, it is important to keep
the engine properly tuned to ensure proper
catalyst operation and prevent possible catalyst
damage. NOTE:
Intentional tampering with emissions control
systems can result in civil penalties being
assessed against you.
In unusual situations involving grossly
malfunctioning engine operation, a scorching
odor may suggest severe and abnormal catalyst
overheating. If this occurs, stop the vehicle, turn
off the engine and allow it to cool. Service,
including a tune-up to manufacturer's
specifications, should be obtained immediately.
To minimize the possibility of catalytic converter
damage:
Do not interrupt the ignition when the trans
-
mission is in gear 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 malfunc -
tioning operating conditions.
Cooling System CAUTION!
The catalytic converter requires the use of
unleaded fuel only. Leaded gasoline will
destroy the effectiveness of the catalyst as
an emissions control device and may seri -
ously reduce engine performance and
cause serious damage to the engine.
Damage to the catalytic converter can
result if your vehicle is not kept in proper
operating condition. In the event of engine
malfunction, particularly involving engine
misfire or other apparent loss of perfor -
mance, have your vehicle serviced
promptly. Continued operation of your
vehicle with a severe malfunction could
cause the converter to overheat, resulting
in possible damage to the converter and
vehicle.
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 automati -
cally and may start at any time, whether the
engine is running or not.
When working near the radiator cooling fan,
disconnect 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.
8

21_VM_OM_EN_USC_t.book Page 227

228SERVICING AND MAINTENANCE
Engine Coolant Checks
Check the engine coolant (antifreeze)
protection every 12 months (before the onset of
freezing weather, where applicable). If the
engine coolant is dirty, the system should be
drained, flushed, and refilled with fresh Organic
Additive Technology (OAT) coolant (conforming
to MS.90032) by an authorized dealer. Check
the front of the A/C condenser for any
accumulation of bugs, leaves, etc. If dirty, clean
by gently spraying water from a garden hose
vertically down the face of the condenser.
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.
Cooling System — Drain, Flush And Refill
Some vehicles require special tools to add
coolant properly. Failure to fill these systems
properly could lead to severe internal engine
damage. If any coolant is needed to be added to
the system please contact an authorized
dealer. If the engine coolant is dirty or contains visible
sediment, have an authorized dealer clean and
flush with OAT coolant (conforming to
MS.90032).
For the proper maintenance intervals
Ú
page 217.
Selection Of Coolant
For further information Ú page 259.
NOTE:
Mixing of engine coolant other than specified
OAT engine coolant, may result in engine
damage and may decrease corrosion protec-
tion. OAT engine coolant is different and
should not be mixed with Hybrid Organic
Additive Technology (HOAT) engine coolant or
any “globally compatible” coolant. If a
non-OAT engine coolant is introduced into the
cooling system in an emergency, the cooling
system will need to be drained, flushed, and
refilled with fresh OAT coolant (conforming to
MS.90032), by an authorized dealer as soon
as possible.
Do not use water alone or alcohol-based
engine coolant products. Do not use addi-
tional rust inhibitors or antirust products, as they may not be compatible with the radiator
engine coolant and may plug the radiator.
This vehicle has not been designed for use
with propylene glycol-based engine coolant.
Use of propylene glycol-based engine coolant
is not recommended.
Some vehicles require special tools to add
coolant properly. Failure to fill these systems
properly could lead to severe internal engine
damage. If any coolant is needed to be added
to the system please contact an authorized
dealer.
Adding Coolant
Your vehicle is built with engine coolant
(OAT coolant conforming to MS.90032) that
allows extended maintenance intervals. This
engine coolant can be used up to 10 years
or 150,000 miles (240,000 km) before
replacement. To prevent reducing this extended
maintenance period, it is important that you
use the same engine coolant (OAT coolant
conforming to MS.90032) throughout the life of
your vehicle.

21_VM_OM_EN_USC_t.book Page 228

SERVICING AND MAINTENANCE229
Please review these recommendations for
using OAT engine coolant that meets the
requirements of FCA Material Standard
MS.90032. When adding engine coolant:
We recommend using Mopar Antifreeze/
Coolant 10 Year/150,000 Mile (240,000 km)
Formula OAT that meets the requirements of
FCA Material Standard MS.90032.
Mix a minimum solution of 50% OAT engine
coolant that meets the requirements of FCA
Material Standard MS.90032 and distilled
water. Use higher concentrations (not to
exceed 70%) if temperatures below −34°F
(−37°C) are anticipated. Please contact an
authorized dealer for assistance.
Use only high purity water such as distilled or
deionized water when mixing the water/
engine coolant (antifreeze) solution. The use
of lower quality water will reduce the amount
of corrosion protection in the engine cooling
system.
NOTE:
It is the owner's responsibility to maintain the
proper level of protection against freezing
according to the temperatures occurring in
the area where the vehicle is operated.
Some vehicles require special tools to add
coolant properly. Failure to fill these systems
properly could lead to severe internal engine
damage. If any coolant is needed to be added
to the system, please contact a local autho -
rized dealer.
Mixing engine coolant types is not recom -
mended and can result in cooling system
damage. If HOAT and OAT coolant are mixed
in an emergency, have an authorized dealer
drain, flush, and refill with OAT coolant
(conforming to MS.90032) as soon as
possible.
Cooling System Pressure Cap
The cap must be fully tightened to prevent loss
of engine coolant, and to ensure that engine
coolant will return to the radiator from the
coolant recovery tank.
The cap should be inspected and cleaned if
there is any accumulation of foreign material on
the sealing surfaces.
The image on the coolant system
pressure cap is a reminder that the
radiator contains hot engine coolant
under pressure.Disposal Of Used Coolant
Used ethylene glycol-based coolant is a
regulated substance requiring proper disposal.
Check with your local authorities to determine
the disposal rules for your community. To
prevent ingestion, do not store ethylene
glycol-based coolant in open containers or allow
it to remain in puddles on the ground, clean up
immediately. If ingested, seek emergency
assistance immediately.
WARNING!
Do not open hot engine cooling system.
Never add engine coolant (antifreeze) when
the engine is overheated. Do not loosen or
remove the cap to cool an overheated
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.
8

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230SERVICING AND MAINTENANCE
Coolant Level
The coolant expansion bottle provides a quick
visual method for determining that the coolant
level is adequate. With the engine OFF and cold,
the level of the engine coolant in the bottle
should be between the “MIN” and “MAX” marks.
The radiator normally remains completely full,
so there is no need to remove the radiator/
coolant pressure cap unless checking for
engine coolant freeze point or replacing
coolant. Advise an authorized dealer of this. As
long as the engine operating temperature is
satisfactory, the coolant only needs to be
checked once a month.
When additional engine coolant is needed to
maintain the proper level, only OAT coolant that
meets the requirements of FCA Material
Standard MS.90032 should be added to the
coolant bottle. Do not overfill.
Cooling System Notes
NOTE:
When the vehicle is stopped after a few miles/
kilometers of operation, you may observe vapor
coming from the front of the engine compart -
ment. This is normally a result of moisture from
rain, snow, or high humidity accumulating on the radiator and being vaporized when the ther
-
mostat opens, allowing hot engine coolant to
enter the radiator.
If an examination of your engine compartment
shows no evidence of radiator or hose leaks,
the vehicle may be safely driven. The vapor will
soon dissipate.
Do not overfill the coolant expansion bottle.
Check the coolant freeze point in the radiator
and in the coolant expansion bottle. If engine
coolant needs to be added, the contents of
the coolant expansion bottle must also be
protected against freezing.
If frequent engine coolant additions are
required, the cooling system should be pres -
sure tested for leaks.
Maintain engine coolant concentration at a
minimum of 50% OAT coolant (conforming to
MS.90032) and distilled water for proper
corrosion protection of your engine which
contains aluminum components.
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
necessary, install ONLY the correct type ther -
mostat. Other designs may result in unsatis -
factory 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 217.
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.

21_VM_OM_EN_USC_t.book Page 230

TECHNICAL SPECIFICATIONS259
FLUID CAPACITIES
ENGINE FLUIDS AND LUBRICANTS
USMetric
Fuel (Approximate)
2.4L Engine 16 Gallons60.5 Liters
Engine Oil With Filter
2.4L Engine 5.5 Quarts5.2 Liters
Cooling System*
2.4L Engine 7.2 Quarts6.8 Liters
* Includes heater and coolant reservoir filled to MAX level.
Component Fluid, Lubricant, or Genuine Part
Engine Coolant We recommend you use Mopar Antifreeze/Coolant 10 Year/150,000 Mile
(240,000 km) Formula OAT (Organic Additive Technology) or equivalent
meeting the requirements of FCA Material Standard MS.90032.
Engine Oil – 2.4L Engine We recommend you use SAE 0W-20 API Certified Engine Oil, meeting the
requirements of FCA Material Standard MS-6395 such as Mopar,
Pennzoil, and Shell Helix. Refer to your engine oil filler cap for correct SAE
grade.
Engine Oil Filter We recommend you use a Mopar Engine Oil Filter.
Fuel Selection – 2.4L Engine 87 Octane (R+M)/2 Method, 0-15% Ethanol.
9

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260TECHNICAL SPECIFICATIONS
(Continued)
CAUTION!
Mixing of engine coolant (antifreeze) other
than specified Organic Additive Technology
(OAT) engine coolant, may result in engine
damage and may decrease corrosion
protection. OAT engine coolant is different
and should not be mixed with Hybrid
Organic Additive Technology (HOAT) engine
coolant or any “globally compatible”
coolant. If a non-OAT engine coolant is
introduced into the cooling system in an
emergency, the cooling system will need to
be drained, flushed, and refilled with fresh
OAT coolant (conforming to MS.90032), by
an authorized dealer as soon as possible.Do not use water alone or alcohol-based
engine coolant products. Do not use addi-
tional rust inhibitors or antirust products,
as they may not be compatible with the
radiator engine coolant and may plug the
radiator.
This vehicle has not been designed for use
with propylene glycol-based engine coolant.
Use of propylene glycol-based engine
coolant is not recommended.
CAUTION! (Continued)

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266
INDEX
A
Adding Engine Coolant (Antifreeze)............... 228Additives, Fuel............................................... 257Advance Phone Connectivity......................... 118Air BagAir Bag Operation...................................... 163Driver Knee Air Bag................................... 164Enhanced Accident Response......... 168, 212Event Data Recorder (EDR)....................... 212Front Air Bag............................................. 162If Deployment Occurs................................ 167Knee Impact Bolsters................................ 164Maintaining Your Air Bag System.............. 169Maintenance............................................. 169Transporting Pets...................................... 184Air Bag Light........................................... 49, 186Air Cleaner, Engine (Engine Air Cleaner
Filter)............................................................. 224Air Conditioner Maintenance......................... 225Air Conditioner Refrigerant............................ 225Air Conditioner System.................................. 225Air Conditioning Filter...................................... 34Air Conditioning, Operating Tips................ 33, 34Air Filter......................................................... 224
Air PressureTires......................................................... 242AlarmSecurity Alarm............................................. 13Alterations/ModificationsVehicle........................................................... 8Antifreeze (Engine Coolant)................. 228, 259Disposal................................................... 229Anti-Lock Brake System (ABS)...................... 145Anti-Lock Warning Light................................... 52Assist, Hill Start............................................. 148Audio Settings............................................... 105Audio Systems (Radio)..................................... 86Auto Down Power Windows............................. 35Automatic Transmission........................... 62, 63Adding Fluid..................................... 232, 261Fluid And Filter Change............................ 232Fluid Change............................................ 232Fluid Level Check............................ 231, 232Fluid Type........................................ 231, 261Special Additives...................................... 232Auxiliary Electrical Outlet (Power Outlet).......... 40Axle Fluid...................................................... 261
B
Battery................................................... 50, 222Charging System Light.................................50Keyless Key Fob Replacement....................11Belts, Seat.................................................... 185BluetoothConnecting To A Particular Mobile Phone Or Audio Device After Pairing
................ 114Body Builders Guide........................................... 7Body Mechanism Lubrication........................ 225B-Pillar Location............................................ 239Brake Assist System..................................... 146Brake Fluid.................................................... 261Brake System....................................... 230, 255Anti-Lock (ABS)......................................... 145Fluid Check...................................... 231, 261Master Cylinder........................................ 231Parking........................................................60Warning Light...............................................49Brake, Parking.................................................60Brake/Transmission Interlock..........................63Bulb Replacement........................................ 213Bulbs, Light.......................................... 187, 213

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267
C
Camera, Rear
.................................................. 73Capacities, Fluid............................................ 259Caps, Filler Fuel............................................................. 74Oil (Engine)................................................ 221Power Steering............................................ 68Radiator (Coolant Pressure)...................... 229Car Washes................................................... 252Carbon Monoxide Warning.................. 185, 258Cargo Area Cover............................................. 38Cargo Compartment........................................ 38Cargo Tie-Downs.............................................. 38Cellular Phone............................................... 143Certification Label........................................... 75Chains, Tire.................................................... 249Changing A Flat Tire....................................... 194Chart, Tire Sizing............................................ 235Check Engine Light (Malfunction Indicator
Light)............................................................... 57Checking Your Vehicle For Safety.................. 185Checks, Safety............................................... 185Child Restraint............................................... 170Child RestraintsBooster Seats............................................ 173Child Seat Installation..................... 180, 183How To Stow An unused ALR Seat Belt..... 178Infant And Child Restraints....................... 171
Locating The LATCH Anchorages.............. 177Lower Anchors And Tethers For Children.. 175Older Children And Child Restraints......... 172Seating Positions...................................... 174Clean Air Gasoline......................................... 256CleaningWheels..................................................... 248Climate Control................................................ 31Cold Weather Operation.................................. 58Compact Spare Tire...................................... 247Contract, Service.......................................... 263Cooling Pressure Cap (Radiator Cap)............ 229Cooling System............................................. 227Adding Coolant (Antifreeze)...................... 228Coolant Level............................................ 230Cooling Capacity....................................... 259Disposal Of Used Coolant......................... 229Drain, Flush, And Refill............................. 228Inspection........................................ 228, 230Points To Remember................................ 230Pressure Cap............................................ 229Radiator Cap............................................ 229Selection Of Coolant (Antifreeze)..... 228, 259Corrosion Protection..................................... 252Cruise Light...................................................... 55Customer Assistance.................................... 262Customer Programmable Features.................. 87Cybersecurity................................................... 86
D
Dealer Service............................................... 223Defroster, Windshield................................... 186Deleting A Phone........................................... 114Diagnostic System, Onboard............................56DipsticksOil (Engine)............................................... 222Power Steering............................................68Disable Vehicle Towing................................. 211Disconnecting............................................... 114DisposalAntifreeze (Engine Coolant)...................... 229Disturb.......................................................... 117Door Ajar..........................................................51Door Ajar Light.................................................51Door Locks.......................................................14Doors...............................................................14Driver’s Seat Back Tilt......................................17DrivingThrough Flowing, Rising, Or Shallow Standing Water
.......................................84
E
Electric Brake Control System....................... 146Electric Remote Mirrors...................................26Electrical Outlet, Auxiliary (Power Outlet).........40Electronic Range Select (ERS).........................67Electronic Stability Control (ESC)................... 14611

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