2020 Ram ProMaster oil pressure

SERVICING AND MAINTENANCE157
Checking Oil Level — Gas Engine
To ensure proper lubrication of your vehicle's
engine, the engine oil must be maintained at
the correct level. Check the oil level at regular
intervals, such as every fuel stop. The best time
to check the engine oil level is about five
minutes after a fully warmed up engine is shut
off.
Checking the oil while the vehicle is on level
ground will improve the accuracy of the oil level
readings. Always maintain the oil level within
the SAFE zone on the dipstick. Adding one quart
of oil when the reading is at the bottom of the
SAFE zone will result in a reading at the top of
the safe zone on these engines.
Adding Washer Fluid
The fluid reservoir is located in the engine
compartment and should be checked at regular
intervals. Fill the reservoir with windshield
washer solvent (not radiator antifreeze) and
operate the system for a few seconds to flush
out any residual water.
The washer fluid reservoir will hold a full gallon
of fluid when the Low Washer Fluid Light illumi -
nates.
After the engine has warmed, operate the
defroster for a few minutes to reduce the possi -
bility of smearing or freezing the fluid on the
cold windshield. Mopar All Weather Windshield
Washer Solution or equivalent, used with water
as directed on the container, aids cleaning
action, reduces the freezing point to avoid line
clogging, and is not harmful to paint or trim.
Maintenance-Free Battery
Your vehicle is equipped with a mainte-
nance-free battery. You will never have to add
water, nor is periodic maintenance required.
CAUTION!
Overfilling or underfilling will cause oil
aeration or loss of oil pressure. This could
damage your engine.
WARNING!
Commercially available windshield washer
solvents are flammable. They could ignite and
burn you. Care must be exercised when filling
or working around the washer solution.
WARNING!
Battery fluid is a corrosive acid solution and
can burn or even blind you. Do not allow
battery fluid to contact your eyes, skin, or
clothing. Do not lean over a battery when
attaching clamps. If acid splashes in eyes
or on skin, flush the area immediately with
large amounts of water. Refer to “Jump
Starting Procedure” in “In Case Of Emer -
gency” for further information.
Battery gas is flammable and explosive.
Keep flame or sparks away from the
battery. Do not use a booster battery or any
other booster source with an output greater
than 12 Volts. Do not allow cable clamps to
touch each other.
Battery posts, terminals, and related acces -
sories contain lead and lead compounds.
Wash hands after handling.
7

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158SERVICING AND MAINTENANCE
Pressure Washing
DEALER SERVICE
An authorized dealer has the qualified service
personnel, special tools, and equipment to
perform all service operations in an expert
manner. Service Manuals are available which
include detailed service information for your
vehicle. Refer to these Service Manuals before
attempting any procedure yourself.
NOTE:
Intentional tampering with emissions control
systems may void your warranty and could
result in civil penalties being assessed against
you.
Engine Oil
Change Engine Oil
The oil change indicator system will remind you
that it is time to take your vehicle in for sched -
uled maintenance. Refer to the “Maintenance
Plan” for further information.
NOTE:
Under no circumstances should oil change
intervals exceed 10,000 miles (16,000 km),
12 months or 350 hours of engine run time,
whichever comes first. The 350 hours of engine
run or idle time is generally only a concern for
fleet customers.
Engine Oil Selection
For best performance and maximum protection
under all types of operating conditions, the
manufacturer only recommends engine oils
that are API Certified and meet the require -
ments of FCA Material Standard MS-6395.
CAUTION!
It is essential when replacing the cables on
the battery that the positive cable is
attached to the positive post and the nega -
tive cable is attached to the negative post.
Battery posts are marked positive (+) and
negative (-) and are identified on the battery
case. Cable clamps should be tight on the
terminal posts and free of corrosion.
If a “fast charger” is used while the battery
is in the vehicle, disconnect both vehicle
battery cables before connecting the
charger to the battery. Do not use a “fast
charger” to provide starting voltage.
CAUTION!
Cleaning the engine compartment with a high
pressure washer is not recommended.
Precautions have been taken to safeguard all
parts and connections however, the
pressures generated by these machines is
such that complete protection against water
ingress cannot be guaranteed.
WARNING!
You can be badly injured working on or
around a motor vehicle. Only do service work
for which you have the knowledge and the
proper equipment. If you have any doubt
about your ability to perform a service job,
take your vehicle to a competent mechanic.

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160SERVICING AND MAINTENANCE
Engine Air Cleaner Filter Selection
The quality of replacement engine air cleaner
filters varies considerably. Only high quality
filters should be used to ensure most efficient
service. Mopar engine air cleaner filters are a
high quality filter and are recommended.
Air Conditioner Maintenance
For best possible performance, your air condi -
tioner should be checked and serviced by an
authorized dealer at the start of each warm
season. This service should include cleaning of
the condenser fins and a performance test.
Drive belt tension should also be checked at
this time.
Refrigerant Recovery And Recycling
R-134a Air Conditioning Refrigerant is a hydro -
fluorocarbon (HFC) that is an ozone-saving
product. However, the manufacturer recom -
mends that air conditioning service be
performed by authorized dealer or other service
facilities using recovery and recycling equip -
ment.
NOTE:
Use only manufacturer approved A/C system
PAG compressor oil and refrigerants.
Cabin Air Filter (A/C Air Filter)
Refer to the “Maintenance Plan” for the proper
maintenance intervals.
WARNING!
The air induction system (air cleaner, hoses,
etc.) can provide a measure of protection in
the case of engine backfire. Do not remove
the air induction system (air cleaner, hoses,
etc.) unless such removal is necessary for
repair or maintenance. Make sure that no
one is near the engine compartment before
starting the vehicle with the air induction
system (air cleaner, hoses, etc.) removed.
Failure to do so can result in serious personal
injury.
WARNING!
Use only refrigerants and compressor lubri -
cants approved by the manufacturer for
your air conditioning system. Some unap -
proved refrigerants are flammable and can
explode, injuring you. Other unapproved
refrigerants or lubricants can cause the
system to fail, requiring costly repairs.
Refer to Warranty Information Book, for
further warranty information.
The air conditioning system contains refrig -
erant under high pressure. To avoid risk of
personal injury or damage to the system,
adding refrigerant or any repair requiring
lines to be disconnected should be done by
an experienced technician.
CAUTION!
Do not use chemical flushes in your air
conditioning system as the chemicals can
damage your air conditioning components.
Such damage is not covered by the New
Vehicle Limited Warranty.
WARNING!
Do not remove the cabin air filter while the
vehicle is running, or while the ignition is in
the ACC or ON/RUN mode. With the cabin air
filter removed and the blower operating, the
blower can contact hands and may propel dirt
and debris into your eyes, resulting in
personal injury.

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SERVICING AND MAINTENANCE179
Tread Wear Indicators
Tread wear indicators are in the original equip -
ment tires to help you in determining when your
tires should be replaced.
Tire Tread
These indicators are molded into the bottom of
the tread grooves. They will appear as bands
when the tread depth becomes a 1/16 of an
inch (1.6 mm). When the tread is worn to the
tread wear indicators, the tire should be
replaced.
Refer to “Replacement Tires” in this section for
further information.
Life Of Tire
The service life of a tire is dependent upon
varying factors including, but not limited to:
Driving style.
Tire pressure - Improper cold tire inflation
pressures can cause uneven wear patterns
to develop across the tire tread. These
abnormal wear patterns will reduce tread life,
resulting in the need for earlier tire replace -
ment.
Distance driven.
Performance tires, tires with a speed rating of
V or higher, and Summer tires typically have
a reduced tread life. Rotation of these tires
per the vehicle scheduled maintenance is
highly recommended. NOTE:
Wheel Valve Stem must be replaced as well
when installing new tires due to wear and tear
in existing tires.
Keep dismounted tires in a cool, dry place with
as little exposure to light as possible. Protect
tires from contact with oil, grease, and gasoline.
Replacement Tires
The tires on your new vehicle provide a balance
of many characteristics. They should be
inspected regularly for wear and correct cold
tire inflation pressures. The manufacturer
strongly recommends that you use tires equiva-
lent to the originals in size, quality and perfor
-
mance when replacement is needed. Refer to
the paragraph on “Tread Wear Indicators” in
this section. Refer to the Tire and Loading Infor -
mation placard or the Vehicle Certification Label
for the size designation of your tire. The Load
Index and Speed Symbol for your tire will be
found on the original equipment tire sidewall.
See the Tire Sizing Chart example found in the
“Tire Safety Information” section of this manual
for more information relating to the Load Index
and Speed Symbol of a tire.
1 — Worn Tire
2 — New Tire
WARNING!
Tires and the spare tire should be replaced
after six years, regardless of the remaining
tread. Failure to follow this warning can result
in sudden tire failure. You could lose control
and have a collision resulting in serious injury
or death.
7

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250

INDEX

A

Adding Engine Coolant (Antifreeze)
............... 164
Adding Washing Fluid
............................... 157
Additives, Fuel
....................................... 193
Air Bag
................................................. 74Air Bag Operation............................... 75Air Bag Warning Light.......................... 73Enhanced Accident Response.............. 151Event Data Recorder (EDR)................. 151If Deployment Occurs.......................... 80Maintaining Your Air Bag System............ 81Maintenance..................................... 81Side Air Bags..................................... 76Transporting Pets............................... 89
Air Bag Light
............................... 47, 73, 90
Air Cleaner, Engine (Engine Air Cleaner Filter)
... 159
Air Conditioner Maintenance
...................... 160
Air Conditioner Refrigerant
......................... 160
Air Conditioner System
............................. 160
Air Conditioning Filter
......................... 34, 160
Air Conditioning, Operating Tips
............... 33, 34
Air Filter
.............................................. 159
Air Pressure

Tires.............................................. 177
Alarm
Security Alarm............................. 13, 49

Alarm System
Security Alarm.................................... 13
Alterations/Modifications
Vehicle...............................................8
Antifreeze (Engine Coolant)
................ 164, 195Disposal......................................... 165
Anti-Lock Brake System (ABS)
.......................56
Anti-Lock Warning Light
.............................. 52
Assist, Hill Start
........................................ 60
Auto Down Power Windows
.......................... 35
Auto Up Power Windows
.............................. 35
Automatic Door Locks
................................15
Automatic Transmission
...................... 95, 168Adding Fluid.................................... 168Fluid And Filter Change...................... 168Fluid Change................................... 168Fluid Level Check...................... 167, 168Fluid Type............................... 167, 197Special Additives.............................. 167
AUX Cord
............................................. 238
Auxiliary Driving Systems
............................. 61
B

Battery
......................................... 47, 157Charging System Light......................... 47Keyless Key Fob Replacement............... 10
Belts, Seat
............................................. 90

Body Builders Guide
................................... 8
Body Mechanism Lubrication
..................... 161
B-Pillar Location
.................................... 173
Brake Assist System
................................. 57
Brake Control System, Electronic
................... 57
Brake Fluid
...................................166, 197
Brake System
................................166, 191Anti-Lock (ABS).................................. 56Fluid Check.................................... 166Master Cylinder............................... 166Parking............................................ 94Warning Light.................................... 48
Brake, Parking
........................................ 94
Brake/Transmission Interlock
...................... 96
Bulb Replacement
.................................. 123
Bulbs, Light
....................................91, 123
C

Camera, Rear
....................................... 109
Capacities, Fluid
.................................... 195
Caps, Filler
Fuel.............................................. 111Oil (Engine)..................................... 156Power Steering................................ 103Radiator (Coolant Pressure)................ 165
Car Washes
......................................... 187
Carbon Monoxide Warning
...................89, 194
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251

Cargo Area Cover

..................................... 37
Cargo Compartment
.................................. 37
Cargo Light
............................................ 26
Certification Label
.................................. 112
Change Oil Indicator
.................................. 44
Changing A Flat Tire
........................ 133, 168
Chart, Tire Sizing
.................................... 169
Check Engine Light
(Malfunction Indicator Light)
......................... 55
Checking Your Vehicle For Safety
................... 89
Checks, Safety
........................................ 89
Child Restraint
........................................ 83
Child Restraints
Booster Seats.................................... 86Child Seat Installation.......................... 88Infant And Child Restraints................... 85Older Children And Child Restraints........ 85
Clean Air Gasoline
.................................. 192
Cleaning
Wheels........................................... 183
Climate Control
........................................ 28Manual............................................ 28Rear................................................ 32
Cold Weather Operation
.............................. 92
Compact Spare Tire
................................. 181
Contract, Service
.................................... 247
Cooling Pressure Cap (Radiator Cap)
............. 165

Cooling System
...................................... 163Adding Coolant (Antifreeze)................. 164Coolant Level........................... 163, 165Cooling Capacity............................... 195Disposal Of Used Coolant................... 165Drain, Flush, And Refill....................... 163Inspection....................................... 165Points To Remember......................... 165Pressure Cap................................... 165Radiator Cap................................... 165Selection Of Coolant (Antifreeze).. 164, 195
Corrosion Protection
................................ 187
Cruise Light
............................................53
Cupholders
..................................... 38, 190
Customer Assistance
............................... 246
Customer Programmable Features
................ 199
Cybersecurity
........................................ 198
D

Dealer Service
....................................... 158
Defroster, Windshield
.................................90
Diagnostic System, Onboard
......................... 54
Dimmer Control Switch
............................... 27
Dimmer Switch
Headlight..........................................24
Dipsticks
Automatic Transmission..................... 168Power Steering................................. 103
Disable Vehicle Towing
............................. 149

Disposal
Antifreeze (Engine Coolant)................ 165
Door Ajar
.............................................. 47
Door Ajar Light
........................................ 47
Door Locks
............................................ 14Automatic........................................ 15
Doors
.................................................. 14
Driver’s Seat Back Tilt
............................... 15
Driving
Through Flowing, Rising, Or Shallow
Standing Water
............................... 121
E

Electric Brake Control System
....................... 57
Electric Remote Mirrors
.............................. 22
Electrical Power Outlets
............................. 39
Electronic Speed Control (Cruise Control)
....... 103
Electronic Stability Control (ESC)
................... 57
Electronic Throttle Control Warning Light
.......... 48
Emergency, In Case Of
Freeing Vehicle When Stuck............... 149Jacking...................................133, 168Jump Starting.................................. 145
Emission Control System Maintenance
............ 55
11
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254
Electronic Stability Program(ESP) Indicator
................................. 48, 59Exterior...................................... 23, 91Hazard Warning Flasher..................... 123Headlights........................................ 23High Beam........................................ 24Illuminated Entry................................ 27Interior............................................. 25Malfunction Indicator (Check Engine)...... 51Park.......................................... 24, 53Passing............................................ 24Security Alarm................................... 49Service........................................... 123Tire Pressure Monitoring (TPMS)............ 61Traction Control.................................. 59Turn Signals.......................... 23, 53, 91Warning Instrument Cluster Descriptions................... 48, 53
Loading Vehicle
............................. 112, 113Capacities....................................... 113Tires.............................................. 173
Locks
Automatic Door............................ 14, 15
Low Tire Pressure System
............................ 61
Lubrication, Body
................................... 161
Lug Nuts/Bolts
...................................... 191
M

Maintenance Free Battery
.......................... 157
Maintenance Schedule
............................. 152
Malfunction Indicator Light (Check Engine)
.. 51, 55
Manual
Service........................................... 249
Methanol
............................................. 193
Mirrors
.................................................21Electric Remote.................................. 22Exterior Folding.................................. 22Heated............................................. 23Outside............................................21Rearview..........................................21
Modifications/Alterations
Vehicle...............................................8
Monitor, Tire Pressure System
.......................61
Mopar Parts
..........................................248
MP3 Control
......................................... 238
Multi-Function Control Lever
......................... 23
N

New Vehicle Break-In Period
......................... 93
O

Occupant Restraints
................................. 64
Octane Rating, Gasoline (Fuel)
.................... 192
Oil Change Indicator
................................. 44Reset.............................................. 44
Oil Filter, Change
................................... 159
Oil Filter, Selection
................................. 159
Oil Pressure Light
..................................... 49
Oil, Engine
....................................158, 195Capacity........................................ 195Change Interval............................... 158Dipstick......................................... 157Disposal........................................ 159Filter...................................... 159, 195Filter Disposal................................. 159Identification Logo............................ 159Materials Added To.......................... 159Pressure Warning Light....................... 49Recommendation.....................158, 195Synthetic........................................ 159Viscosity................................. 159, 195
Onboard Diagnostic System
......................... 54
Operating Precautions
............................... 54
Operator Manual
Owner's Manual............................ 8, 249
Outside Rearview Mirrors
............................ 21
Overheating, Engine
................................ 147
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256

Sentry Key (Immobilizer)

............................. 12
Service Assistance
.................................. 246
Service Contract
.................................... 247
Service Manuals
.................................... 249
Settings
Personal......................................... 199
Shift Lever Override
................................. 148
Shoulder Belts
......................................... 67
Signals, Turn
.................................... 53, 91
Snow Chains (Tire Chains)
......................... 184
Snow Tires
........................................... 181
Spare Tires
.......................... 181, 182, 183
Spark Plugs
.......................................... 195
Speed Control (Cruise Control)
.................... 103
Starting
................................................ 92Automatic Transmission....................... 92Button............................................. 11Cold Weather..................................... 92Engine Fails To Start............................ 92
Steering
................................................ 21Column Lock..................................... 21Power.................................... 102, 103
Steering Wheel Audio Controls
.................... 238
Storage, Vehicle
............................... 33, 186
Storing Your Vehicle
................................ 186
Supplemental Restraint System – Air Bag
......... 74
Sway Control, Trailer
.................................. 61
Synthetic Engine Oil
................................ 159
T

Telescoping Steering Column
........................ 21
Tire And Loading Information Placard
............. 173
Tire Markings
........................................ 168
Tire Safety Information
............................. 168
Tire Service Kit
...... 139, 140, 142, 143, 144
Tires
............................ 91, 176, 181, 185Aging (Life Of Tires)........................... 179Air Pressure.....................................176Chains........................................... 184Changing................................ 133, 168Compact Spare................................ 181General Information.................. 176, 181High Speed.....................................177Inflation Pressure............................. 177Jacking................................... 133, 168Life Of Tires.....................................179Load Capacity.......................... 173, 174Pressure Monitoring System (TPMS).. 50, 61Quality Grading................................ 185Radial............................................ 178Replacement................................... 179Rotation......................................... 185Safety.................................... 168, 176
Sizes............................................. 169Snow Tires..................................... 181Spare Tires...................... 181, 182, 183Spinning........................................ 178Trailer Towing.................................. 117Tread Wear Indicators....................... 179Wheel Nut Torque............................ 191
To Open Hood
......................................... 36
Tongue Weight/Trailer Weight
.................... 115
Torque Converter Clutch
........................... 102
Towing
........................................113, 149Disabled Vehicle.............................. 149Guide............................................ 115Recreational................................... 120Weight........................................... 115
Towing Behind A Motorhome
...................... 120
Traction
.............................................. 121
Traction Control
...................................... 60
Trailer Sway Control (TSC)
........................... 61
Trailer Towing
....................................... 113Cooling System Tips.......................... 119Hitches.......................................... 114Minimum Requirements.................... 116Tips.............................................. 118Trailer And Tongue Weight.................. 115Wiring........................................... 118
Trailer Towing Guide
............................... 115
Trailer Weight
....................................... 115
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