wheel torque Ram Cargo Van 2015 Owner's Manual

NOTE:The torque converter clutch will not engage until
the transmission fluid and engine coolant are warm
[usually after 1 to 3 miles (2 to 5 km) of driving]. Because
the engine speed is higher when the torque converter
clutch is not engaged, it may seem as if the transmission
is not shifting into Overdrive when cold. This is normal.
Using the Electronic Range Select (ERS) shift control,
when the transmission is sufficiently warm, will demon-
strate that the transmission is able to shift into and out of
Overdrive.
DRIVING ON SLIPPERY SURFACES
Acceleration
Rapid acceleration on snow covered, wet, or other slip-
pery surfaces may cause the driving wheels to pull
erratically to the right or left. This phenomenon occurs
when there is a difference in the surface traction under
the front (driving) wheels.
WARNING!
Rapid acceleration on slippery surfaces is dangerous.
Unequal traction can cause sudden pulling of the
front wheels. You could lose control of the vehicle
and possibly have a collision. Accelerate slowly and
carefully whenever there is likely to be poor traction
(ice, snow, wet, mud, loose sand, etc.).
Traction
When driving on wet or slushy roads, it is possible for a
wedge of water to build up between the tire and road
surface. This is hydroplaning and may cause partial or
complete loss of vehicle control and stopping ability. To
reduce this possibility, the following precautions should
be observed:
1. Slow down during rainstorms or when the roads are slushy.
5
STARTING AND OPERATING 455

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.
• The capabilities of a TCS-equipped vehicle must
never be exploited in a reckless or dangerous
manner, which could jeopardize the user’s safety or
the safety of others.
Brake Assist System (BAS)
The Brake Assist System (BAS) is designed to optimize
the vehicle’s braking capability during emergency brak-
ing maneuvers. The system detects an emergency brak-
ing situation by sensing the rate and amount of brake
application, and then applies optimum pressure to the
466 STARTING AND OPERATING

ESC On
This mode is the normal operating mode for ESC on
two-wheel drive 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 pressing 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 manage-
ment. 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 gaintraction. To turn ESC on again, momentarily press the
“ESC Off” switch. This will restore the normal “ESC On”
mode of operation.
WARNING!
•
When in \bPartial Off\b mode, the TCS functionality
of ESC, (except for the limited slip feature de-
scribed in the TCS section), has been disabled and
the \bESC Off Indicator Light\b will be illuminated.
When in \bPartial Off\b mode, the engine power
reduction feature of TCS is disabled, and the
enhanced vehicle stability offered by the ESC sys-
tem is reduced.
• Trailer Sway Control (TSC) is disabled when the
ESC system is in the \bPartial Off\bmode.
5
STARTING AND OPERATING 469

WHAT TO DO IN EMERGENCIES
CONTENTS
HAZARD WARNING FLASHERS ...........540
 IF YOUR ENGINE OVERHEATS ............540

WHEEL AND TIRE TORQUE SPECIFICATIONS . .541
▫ Torque Specifications ..................541
 JACKING AND TIRE CHANGING — IF
EQUIPPED .......................... .543
▫ Jack Location ....................... .544
▫ Spare Tire Removal ....................544
▫ To Access Spare Tire Winch Drive Nut .......545
▫ Spare Tire Tools ...................... .547
▫ Spare Tire Removal Instructions ...........548▫
Preparations For Jacking ................550
▫ Jacking Instructions ...................551
▫ Securing The Compact Spare Tire ..........558
▫ Road Tire Installation ...................560
 JUMP-STARTING ..................... .562
▫ Preparations For Jump-Start ..............563
▫ Jump-Starting Procedure ................564
 FREEING A STUCK VEHICLE .............566
 SHIFT LEVER OVERRIDE ................567
 TOWING A DISABLED VEHICLE ...........5696

CAUTION!
Driving with a hot cooling system could damage
your vehicle. If temperature gauge reads “H”, pull
over and stop the vehicle. Idle the vehicle with the air
conditioner turned off until the pointer drops back
into the normal range. If the pointer remains on the
“H”, turn the engine off immediately, and call for
service.
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 or coolant bottle is hot.
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 calibrated torque wrench.
Torque Specifications
Lug Nut/Bolt Torque **Lug Nut/Bolt SizeLug Nut/
Bolt Socket Size
100 Ft-Lbs (135 N·m) M12 x 1.25 19 mm
**Use only Chrysler recommended lug nuts/bolts and
clean or remove any dirt or oil before tightening.6
WHAT TO DO IN EMERGENCIES 541

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.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
542 WHAT TO DO IN EMERGENCIES

NOTE:Do not install the wheel cover on the compact
spare.
7. Lower the vehicle by turning the jack screw to the left.
8. Refer to “Torque Specifications” in this section for proper wheel lug nut torque.
9. Lower the jack to its fully-closed position.
WARNING!
A loose tire or jack thrown forward in a collision or
hard stop could endanger the occupants of the ve-
hicle. Always stow the jack parts and the spare tire in
the places provided. Have the deflated (flat) tire
repaired or replaced immediately. 10. Place the deflated (flat) tire and compact spare tire
cover assembly in the rear cargo area. Do not stow
the deflated tire in the compact spare tire location.
Have the full-sized tire repaired or replaced, as soon
as possible.
11. Stow the cable and wheel spacer before driving the vehicle. Reassemble the winch handle extensions to
form a “T” and fit the winch T-handle over the drive
nut. Rotate the nut to the right until the winch
mechanism clicks at least three times.
NOTE: Refer to the “Spare Tire Tools” section for in-
structions on assembling the T-handle.
12. Stow the jack, jack handle and winch handle tools back in the stowage compartment.
13. Check the compact spare tire pressure as soon as possible. Correct the tire pressure, as required.
6
WHAT TO DO IN EMERGENCIES 557

3. Align the valve notch in the wheel cover with thevalve stem on the wheel. Install the cover by hand,
snapping the cover over the two lug nuts. Do not use
a hammer or excessive force to install the cover.
4. Install the remaining lug nuts with the cone shaped end of the nut toward the wheel. Lightly tighten the
lug nuts.
WARNING!
To avoid the risk of forcing the vehicle off the jack,
do not tighten the wheel nuts fully until the vehicle
has been lowered. Failure to follow this warning may
result in personal injury.
5. Lower the vehicle to the ground by turning the jack handle counterclockwise.
6. Refer to “Torque Specifications” in this section for proper wheel lug nut torque. 7. After 25 miles (40 km) check the lug nut torque with a
torque wrench to ensure that all lug nuts are properly
seated against the wheel.
Vehicles Without Wheel Covers
1. Mount the road tire on the axle.
2. Install the remaining lug nuts with the cone shapedend of the nut toward the wheel. Lightly tighten the
lug nuts.
WARNING!
To avoid the risk of forcing the vehicle off the jack,
do not tighten the wheel nuts fully until the vehicle
has been lowered. Failure to follow this warning may
result in personal injury.
3. Lower the vehicle to the ground by turning the jack handle counterclockwise.
6
WHAT TO DO IN EMERGENCIES 561

4. Refer to “Torque Specifications” in this section forproper wheel lug nut torque.
5. After 25 miles (40 km) check the lug nut torque with a torque wrench to ensure that all lug nuts are properly
seated against the wheel.
JUMP-STARTING
If your vehicle has a discharged battery it can be jump-
started using a set of jumper cables and a battery in
another vehicle or by using a portable battery booster
pack. Jump-starting can be dangerous if done improperly
so please follow the procedures in this section carefully.
NOTE: When using a portable battery booster pack
follow the manufacturer ’s operating instructions and
precautions.
CAUTION!
Do not use a portable battery booster pack or any
other booster source with a system voltage greater
than 12 Volts or damage to the battery, starter motor,
alternator or electrical system may occur.
WARNING!
Do not attempt jump-starting if the battery is frozen.
It could rupture or explode and cause personal injury.
562 WHAT TO DO IN EMERGENCIES