radiator cap Ram 3500 2017 Diesel Supplement

Cooling System
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 is hot.
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.With the engine at normal operating temperature (but not
running), check the cooling system pressure cap for proper
vacuum sealing by draining a small amount of engine
coolant (antifreeze) from the radiator drain cock. The
radiator drain cock is located in the lower radiator tank. If
the cap is sealing properly, the engine coolant (antifreeze)
will begin to drain from the coolant expansion bottle. DO
NOT REMOVE THE COOLANT PRESSURE CAP WHEN
THE COOLING SYSTEM IS HOT.
Cooling System — Drain Flush And Refill
If the engine coolant (antifreeze) is dirty or contains a
considerable amount of sediment, clean and flush with a
reliable cooling system cleaner. Follow with a thorough
rinsing to remove all deposits and chemicals. Properly
dispose of old engine coolant (antifreeze).
Refer to the “Maintenance Schedule” for the proper main-
tenance intervals.
Selection Of Coolant
Refer to “Fluids, Lubricants, And Genuine Parts” in “Main-
taining Your Vehicle” for further information.
5
MAINTAINING YOUR VEHICLE 65

•Use only high purity water such as distilled or deionized
water when mixing the water/engine coolant (anti-
freeze) 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 prop-
erly. 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 your local
authorized dealer.
• Mixing engine coolant (antifreeze) types is not recom-
mended and can result in cooling system damage. If
HOAT and OAT coolant are mixed in an emergency,
have a authorized dealer drain, flush, and refill with
OAT coolant (conforming to MS.90032) as soon as pos-
sible.Cooling System Pressure Cap
The cap must be fully tightened to prevent loss of engine
coolant (antifreeze), and to ensure that the engine coolant
(antifreeze) will return to the radiator from the coolant
expansion bottle.
The cap should be inspected and cleaned if there is any
accumulation of foreign material on the sealing surfaces.
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
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 speci-
fied for your vehicle. Personal injury or engine
damage may result.
5
MAINTAINING YOUR VEHICLE 67

Charge Air Cooler — Inter-Cooler
The charge air cooler is positioned in front of the radiator
and the air conditioner condenser. Air enters the engine
through the air cleaner and passes through the turbo-
charger, where it is pressurized. This pressurized air rap-
idly reaches high temperature. The air is then directed
through a hose to the charge air cooler and through another
hose to the intake manifold of the engine. This cooling
process enables more efficient burning of fuel resulting in
fewer emissions.
To guarantee optimum performance of the system, keep
the surfaces of the charge air cooler, condenser and radiator
clean and free of debris. Periodically check the hoses
leading to and from the charge air cooler for cracks or loose
clamps resulting in loss of pressure and reduced engine
performance.
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 immediately
if the “Brake System Warning Light” indicates system
failure.The brake master cylinder has a translucent plastic reser-
voir. 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 “Main-
taining 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 perfor-
mance. 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 69

WARNING!
Battery posts, terminals, and related accessories con-
tain lead and lead compounds. Always wash hands
after handling the battery.
Battery Blanket Usage
A battery loses 60% of its cranking power as the battery
temperature decreases to 0°F (-18°). For the same decrease
in temperature, the engine requires twice as much power to
crank at the same RPM. The use of 120 Volt AC powered
battery blankets will greatly increase starting capability at
low temperatures. Suitable battery blankets are available
from your authorized MOPAR dealer.
Cooling System
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 is hot.
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.
With the engine at normal operating temperature (but not
running), check the cooling system pressure cap for proper
vacuum sealing by draining a small amount of engine
coolant (antifreeze) from the radiator drain cock. The
radiator drain cock is located in the lower radiator tank. If
the cap is sealing properly, the engine coolant (antifreeze)
will begin to drain from the coolant expansion bottle. DO
NOT REMOVE THE COOLANT PRESSURE CAP WHEN
THE COOLING SYSTEM IS HOT.
7
MAINTAINING YOUR VEHICLE 191

the same engine coolant (OAT coolant conforming to
MS.90032) throughout the life of your vehicle.
Please review these recommendations for using Organic
Additive Technology (OAT) engine coolant (antifreeze)
that meets the requirements of FCA Material Standard
MS.90032. When adding engine coolant (antifreeze):
•We recommend using MOPAR Antifreeze/Coolant
10 Year/150,000 Mile Formula OAT (Organic Additive
Technology) that meets the requirements of FCA Mate-
rial 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 your authorized dealer
for assistance.
• Use only high purity water such as distilled or deionized
water when mixing the water/engine coolant (anti-
freeze) 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 prop-
erly. 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 your local
authorized dealer.
• Mixing engine coolant (antifreeze) types is not recom-
mended and can result in cooling system damage.
If HOAT and OAT coolant are mixed in an emergency,
have a authorized dealer drain, flush, and refill with
OAT coolant (conforming to MS.90032) as soon as pos-
sible.
Cooling System Pressure Cap
The cap must be fully tightened to prevent loss of engine
coolant (antifreeze), and to ensure that the engine coolant
(antifreeze) will return to the radiator from the coolant
expansion bottle.
7
MAINTAINING YOUR VEHICLE 193

The cap should be inspected and cleaned if there is any
accumulation of foreign material on the sealing surfaces.
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
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 speci-
fied for your vehicle. Personal injury or engine
damage may result.
Disposal Of Used Engine Coolant
Used ethylene glycol-based engine coolant (antifreeze) is a
regulated 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 engine coolant
(antifreeze) 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.
Points To Remember
NOTE: When the vehicle is stopped after a few miles/
kilometers of operation, you may observe vapor coming
from the front of the engine compartment. This is normally
a result of moisture from rain, snow, or high humidity
accumulating on the radiator and being vaporized when
the thermostat opens, allowing hot engine coolant (anti-
freeze) 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 (antifreeze)
needs to be added, the contents of the coolant expansion
bottle must also be protected against freezing.
• If frequent engine coolant (antifreeze) additions are
required, the cooling system should be pressure tested
for leaks.
• Maintain engine coolant (antifreeze) concentration at a
minimum of 50% OAT coolant (conforming to
194 MAINTAINING YOUR VEHICLE

MS.90032) and distilled water for proper corrosion pro-
tection of your engine which contains aluminum com-
ponents.
• 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 thermostat. Other designs may result in
unsatisfactory engine coolant (antifreeze) performance,
poor gas mileage, and increased emissions.
Charge Air Cooler — Inter-Cooler
The charge air cooler is positioned below the radiator and
the air conditioner condenser. Air enters the engine
through the air cleaner and passes through the turbo-
charger, where it is pressurized. This pressurized air rap-
idly reaches high temperature. The air is then directed
through a hose to the charge air cooler and through another
hose to the intake manifold of the engine. The air entering the engine has been cooled by about 50° to 100°F (10° to
38°C). This cooling process enables more efficient burning
of fuel resulting in fewer emissions.
To guarantee optimum performance of the system, keep
the surfaces of the charge air cooler, condenser and radiator
clean and free of debris. Periodically check the hoses
leading to and from the charge air cooler for cracks or loose
clamps resulting in loss of pressure and reduced engine
performance.
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 immediately
if the “Brake System Warning Light” indicates system
failure.
The brake master cylinder has a translucent plastic reser-
voir. 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.7
MAINTAINING YOUR VEHICLE 195

Adding Engine Coolant (Antifreeze)..............66
Adding Fuel ...............................45
Air Cleaner, Engine (Engine Air Cleaner Filter) ......57
Antifreeze (Engine Coolant) ....................65
Capacities ..............................71
Disposal ................................68
Automatic Transmission Fluid Type ..............................75
Axle Fluid ................................75
Battery ...................................64
Brake Fluid................................75
Brake System ..............................69
Fluid Check .............................69
Master Cylinder ..........................69
Capacities, Antifreeze (Engine Coolant) ............71
Capacities, Fluid ............................71
Caps, Filler Oil (Engine) .............................56
Radiator (Coolant Pressure) ..................67
Charge Air Cooler ...........................69
Coolant Pressure Cap (Radiator Cap) .............67
Cooling System .............................65
Adding Coolant (Antifreeze) .................66 Coolant Capacity
.........................71
Coolant Level ............................65
Disposal Of Used Coolant ...................68
Drain, Flush, And Refill .....................65
Points To Remember .......................68
Pressure Cap ............................67
Radiator Cap ............................67
Selection Of Coolant (Antifreeze) ...........65,72
Diesel Fuel ................................40
Diesel Fuel Requirements ......................40
Bulk Storage Of ..........................48
Diesel Fuel System, Re-Priming .................62
Disposal Antifreeze (Engine Coolant) ..................68
Draining Fuel/Water Separator Filter .............60
Engine ...................................54
Air Cleaner .............................57
Block Heater ..........................34,40
Break-In Recommendations ..................11
Compartment ............................54
Coolant (Antifreeze) .......................72
Identification ............................54
Idling .................................38
218 INDEX - RAM 1500

Oil.................................55,72
Oil Filler Cap............................56
Filters Air Cleaner .............................57
Engine Fuel .............................60
Engine Oil ...........................57,72
Engine Oil Disposal .......................57
Fluid Capacities ............................71
Fluid Level Checks Brake ..................................69
Fluid, Brake...............................75
Fluids, Lubricants And Genuine Parts .............72
Fuel .....................................40
Adding ................................45
Diesel ..............................40,72
Filter ..................................60
Requirements ............................40
Specifications ............................41
Tank Capacity ............................71
Fueling ..................................45
Gauges Voltmeter ...............................35
Instrument Cluster ..........................14 Intervention Regeneration Strategy
...............25
Keyless Enter-N-Go ..........................33
Maintenance Procedures ......................55
Maintenance Schedule ........................78
New Vehicle Break-In Period ...................11
Oil, Engine ................................55
Capacity ...............................71
Change Interval ..........................56
Dipstick ................................55
Disposal ................................57
Filter ...............................57,72
Filter Disposal ...........................57
Materials Added To ........................57
Recommendation .........................55
Viscosity ...............................56
Radiator Cap (Coolant Pressure Cap) .............65
Remote Starting System .......................10
Schedule, Maintenance .......................78
Selection Of Coolant (Antifreeze) ................72
8
INDEX - RAM 1500 219

Adding Engine Coolant (Antifreeze).............192
Adding Fuel ............................. .160
Air Cleaner, Engine (Engine Air Cleaner Filter) ......180
Air Filter ............................... .180
Antifreeze (Engine Coolant) ...................192
Capacities ............................. .204
Disposal .............................. .194
Automatic Transmission Adding Fluid .......................... .199
Fluid Level Check ....................... .198
Fluid Type ............................ .207
Shifting .............................. .141
Axle Fluid .............................. .207
Battery ................................. .190
Blanket ........................... .132 , 191
Emergency Starting ...................... .170
Brake System ............................ .195
Fluid Check ........................... .195
Master Cylinder ........................ .195
Brake/Transmission Interlock ..................141
Capacities, Antifreeze (Engine Coolant) ...........204
Capacities, Fluid .......................... .204Caps, Filler
Oil (Engine) ........................... .178
Radiator (Coolant Pressure) .................193
Charge Air Cooler ......................... .195
Coolant Pressure Cap (Radiator Cap) .............193
Cooling System ........................... .191
Adding Coolant (Antifreeze) .................192
Coolant Capacity ........................ .204
Coolant Level .......................... .191
Disposal Of Used Coolant ..................194
Drain, Flush, And Refill ....................192
Points To Remember ..................... .194
Pressure Cap ........................... .193
Radiator Cap .......................... .193
Selection
Of Coolant (Antifreeze) ..........192 , 205
Diesel Exhaust Brake ....................... .138
Diesel Fuel .............................. .157
Diesel Fuel Requirements .....................157
Bulk Storage Of ......................... .163
Diesel Fuel System, Re-Priming .................188
Disposal Antifreeze (Engine Coolant) .................194
Draining Fuel/Water Separator Filter .............184
8
INDEX - RAM 2500 / 3500 / 4500 / 5500 221