wheel torque Ram ProMaster 2019 Owner's Manual

When you are in a severe braking condition involving the
use of the ABS, you will experience some pedal drop as the
vehicle comes to a stop. This is the result of the system
reverting to the base brake system.
Engagement of the ABS may be accompanied by a pulsing
sensation. You may also hear a clicking noise. These
occurrences are normal and indicate that the system is
functioning properly.
Electronic Brake Control System
Your vehicle is equipped with an advanced electronic
brake control system that includes the Traction Control
System (TCS), Brake Assist System (BAS) and Electronic
Stability Control (ESC), Trailer Sway Control (TSC), and
Hill Start Assist (HSA). These systems complement the
Anti-Lock Brake System (ABS) by optimizing the vehicle
braking capability during emergency braking maneuvers.
Traction Control System (TCS)
The Traction Control System (TCS) monitors the amount of
wheel spin of each of the driven wheels. If wheel spin is
detected, brake pressure is applied to the slipping wheel(s)
and engine power is reduced, to provide enhanced accel-
eration and stability. A feature of the TCS system, Brake
Limited Differential (BLD), functions similar to a limitedslip differential and controls the wheel spin across a driven
axle. If one wheel on a driven axle is spinning faster than
the other, the system will apply the brake of the spinning
wheel. This will allow more engine torque to be applied to
the wheel that is not spinning. This feature remains active
even if the ESC is in the “Partial Off” mode.
The “ESC Activation/Malfunction Indicator Light” (in the
instrument cluster) will start to flash as soon as the tires
lose traction and the wheels begin to spin. This indicates
that the TCS is active. If the indicator light flashes during
acceleration, ease up on the accelerator and apply as little
throttle as possible. Be sure to adapt your speed and
driving to the prevailing road conditions, and do not
switch off the ESC or TCS.
WARNING!
•
The TCS cannot prevent the natural laws of physics
from acting on the vehicle, nor can it increase the
traction afforded.
• The TCS cannot prevent collisions, including those
resulting from excessive speed in turns, or hydro-
planing.
(Continued)
5
SAFETY 89

ESC Operating Modes
The “ESC Off” switch is located in the center
switch bank, next to the hazard flasher switch.
ESC On
This mode is the normal operating mode for ESC equipped
vehicles. Whenever the vehicle is started, the ESC system
will be in this mode. This mode should be used for most
driving situations. ESC should only be turned off for
specific reasons as noted below.
ESC Partial Off
This mode is entered by momentarily pushing the “ESC
Off” switch.
When in the “Partial Off” mode, the TCS portion of ESC,
except for the “limited slip” feature described in the TCS
section, has been disabled and the “ESC OFF Indicator
Light” will be illuminated. When in the “Partial Off” mode,
ESC will operate without engine torque management. This
mode is intended to be used if the vehicle is in deep snow,
sand or gravel conditions and more wheel spin than ESC
would normally allow is required to gain traction. To turn ESC on again, momentarily push the “ESC Off” switch.
This will restore the normal “ESC On” mode of operation.WARNING!
•
When in “Partial Off” mode, the TCS functionality
of ESC, (except for the limited slip feature described
in the TCS section), has been disabled and the “ESC
Off Indicator Light” will be illuminated. When in
“Partial Off” mode, the engine power reduction
feature of TCS is disabled, and the enhanced vehicle
stability offered by the ESC system is reduced.
• Trailer Sway control (TSC) is disabled when the ESC
system is in the “Partial Off” mode.
NOTE: To improve the vehicle’s traction when driving
with snow chains, or starting off in deep snow, sand or
gravel, it may be desirable to switch to the “Partial Off”
mode by pushing the “ESC Off” switch. Once the situation
requiring ESC to be switched to the “Partial Off” mode is
overcome, turn ESC back on by momentarily pushing the
“ESC Off” switch. This may be done while the vehicle is in
motion.
92 SAFETY

CAUTION!
Be sure to mount the spare tire with the valve stem
facing outward. The vehicle could be damaged if the
spare tire is mounted incorrectly.
NOTE: Do not install the wheel cover on the spare tire.
7. Lower the vehicle by turning the jack screw to the left.
8. Refer to “Wheel And Tire Torque Specifications” in “Technical Specifications” for proper wheel lug bolt
torque.
9. Lower the jack to its fully-closed position.
10. Stow the damaged wheel/spare tire with the cable and wheel spacer before driving the vehicle.
11. Install the winch extension and rotate the wrench
handle clockwise until the winch mechanism opera-
tor hears “3 clicks” from the device to indicate the
wheel is properly stowed under the vehicle.
12. Stow the jack, jack handle and winch handle tools back in the storage compartment.
WARNING!
A loose tire or jack thrown forward in a collision or
hard stop could endanger the occupants of the vehicle.
Always stow the jack parts and the spare tire in the
places provided. Have the deflated (flat) tire repaired
or replaced immediately.
13. Check the spare tire pressure as soon as possible. Correct the tire pressure, as required.
For vehicles with aluminum wheels:
The center cap must be pushed out from the rear to install
the retainer and stow the tire.
Wheel Covers
CAUTION!
Use a back-and-forth motion to remove the hub cap.
Do not use a twisting motion when removing the hub
cap, damage to the hub cap finish may occur.
The wheel covers on the vehicle are held in place by the
wheel lug bolts and can be removed after the wheel lug
bolts are taken off.
7
IN CASE OF EMERGENCY 205

TECHNICAL SPECIFICATIONS
CONTENTS
IDENTIFICATION DATA ...................276
▫ Vehicle Identification Number .............276
 BRAKE SYSTEM ....................... .276
 WHEEL AND TIRE TORQUE SPECIFICATIONS . .276
▫ Torque Specifications ....................277
 FUEL REQUIREMENTS ...................278
▫ 3.6L Engine .......................... .278
▫ Reformulated Gasoline ..................278
▫ Materials Added To Fuel .................279
▫ Gasoline/Oxygenate Blends ...............279 ▫
Do Not Use E-85 In Non-Flex Fuel Vehicles . . . .280
▫ CNG And LP Fuel System Modifications ......280
▫ MMT In Gasoline ...................... .280
▫ Fuel System Cautions ....................280
▫ Carbon Monoxide Warnings ...............281
 FLUID CAPACITIES ..................... .282
 FLUIDS AND LUBRICANTS ................282
▫ Engine ............................. .282
▫ Chassis ............................ .284
9

IDENTIFICATION DATA
Vehicle Identification Number
The Vehicle Identification Number (VIN) is found on the
left front corner of the instrument panel, visible through
the windshield. This number also appears on the vehicle
frame and underbody as well as the Automobile Informa-
tion Disclosure Label affixed to a window on your vehicle,
the vehicle registration and title.
NOTE:It is illegal to remove or alter the VIN.
BRAKE SYSTEM
Your vehicle is equipped with dual hydraulic brake sys-
tems. If either of the two hydraulic systems loses normal
capability, the remaining system will still function. How-
ever, there will be some loss of overall braking effective-
ness. You may notice increased pedal travel during appli-
cation, greater pedal force required to slow or stop, and
potential activation of the “Brake System Warning Light”.
In the event power assist is lost for any reason (i.e.,
repeated brake applications with the engine off), the brakes
will still function. However, the effort required to brake the
vehicle will be much greater than that required with the
power system operating.
WHEEL AND TIRE TORQUE SPECIFICATIONS
Proper lug nut/bolt torque is very important to ensure that
the wheel is properly mounted to the vehicle. Any time a
wheel has been removed and reinstalled on the vehicle, the
lug nuts/bolts should be torqued using a properly cali-
brated torque wrench using a high quality six sided (hex)
deep wall socket.
Vehicle Identification Number
276 TECHNICAL SPECIFICATIONS

Torque Specifications
Lug Nut/BoltTorque **Lug Nut/Bolt
Size Lug Nut/Bolt
Socket Size
145 Ft-Lbs (197 N·m) M16 x 1.50 21 mm
**Use only your authorized dealer recommended lug nuts/
bolts and clean or remove any dirt or oil before tightening.
Inspect the wheel mounting surface prior to mounting the
tire and remove any corrosion or loose particles. Tighten the lug nuts/bolts in a star pattern until each
nut/bolt has been tightened twice. Ensure that the socket is
fully engaged on the lug nut/bolt (do not insert it half-
way).
After 25 miles (40 km), check the lug nut/bolt torque to be
sure that all the lug nuts/bolts are properly seated against
the wheel.
Wheel Mounting Surface
Torque Patterns
9
TECHNICAL SPECIFICATIONS 277

Signals, Turn.......................... .82, 133
Snow Chains (Tire Chains) ....................266
Snow Tires .............................. .262
Spare Tires ........................ .262, 263, 264
Spark Plugs ............................. .282
Speed Control (Cruise Control) .................151
Starting ................................ .137
Automatic Transmission ....................137
Button .................................18
Cold Weather .......................... .137
Engine Fails To Start ..................... .137
Steering ..................................34
Column Lock ............................34
Power ............................ .149, 150
Steering Wheel Audio Controls .................298
Storage, Vehicle ........................ .51, 269
Storing Your Vehicle ....................... .269
Supplemental Restraint System – Air Bag ..........112
Sway Control, Trailer .........................93
Synthetic Engine Oil ....................... .233
Telescoping Steering Column ...................34
Tire And Loading Information Placard ............251
Tire Markings ............................ .246
Tires......................... .133, 254, 262, 267Aging (Life Of Tires)
..................... .259
Air Pressure ........................... .254
Chains ............................... .266
Changing .......................... .194, 245
Compact Spare ......................... .263
General Information ...................254, 262
High Speed ............................ .257
Inflation Pressure ....................... .256
Jacking ........................... .194, 245
Life Of Tires ........................... .259
Load Capacity ...................... .251, 252
Pressure Monitoring System (TPMS) .........77, 95
Quality Grading ........................ .267
Radial ............................... .257
Replacement ........................... .260
Rotation .............................. .267
Safety ............................ .245,

254
Sizes ................................ .247
Snow Tires ............................ .262
Spare Tires ......................... .262, 264
Spinning .............................. .258
Trailer Towing .......................... .169
Tread Wear Indicators .....................258
Wheel Nut Torque ....................... .276
Tire Safety Information ...................... .245
12
INDEX 325