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STARTING AND OPERATING 221
4H
Four-Wheel Drive High Range — This range
maximizes torque to the front driveshaft, forcing
the front and rear wheels to rotate at the same
speed. This range provides additional traction
for loose, slippery road surfaces only.
N (Neutral)
Neutral — This range disengages both the front
and rear driveshafts from the powertrain. To be
used for flat towing behind another vehicle.
Refer to “Recreational Towing” in “Starting And
Operating” for further information.
4L
Four-Wheel Drive Low Range — This range
provides low speed four-wheel drive. It maxi-
mizes torque to the front driveshaft, forcing the
front and rear wheels to rotate at the same
speed. This range provides additional traction
and maximum pulling power for loose, slippery
road surfaces only. Do not exceed 25 mph
(40 km/h).
The transfer case is intended to be driven in the
2H position for normal street and highway
conditions, such as hard-surfaced roads.
In the event that additional traction is required,
the transfer case 4H and 4L positions can be
used to lock the front and rear driveshafts
together, forcing the front and rear wheels to
rotate at the same speed. The 4H and 4L posi-
tions are intended for loose, slippery road
surfaces only and not intended for normal
driving. Driving in the 4H and 4L positions on
hard-surfaced roads will cause increased tire
wear and damage to the driveline components.
Refer to “Shifting Procedures” in this section for
further information on shifting into 4H or 4L.
The instrument cluster alerts the driver that the
vehicle is in four-wheel drive, and the front and
rear driveshafts are locked together. The light
will illuminate when the transfer case is shifted
into the 4H position.
When operating your vehicle in 4L, the engine
speed will be approximately three times (four
times for Rubicon models) that of the 2H or 4H
positions at a given road speed. Take care not
to overspeed the engine.
Proper operation of four-wheel drive vehicles
depends on tires of equal size, type, and circum-
ference on each wheel. Any difference will
adversely affect shifting and cause damage to
the transfer case.
Because four-wheel drive provides improved
traction, there is a tendency to exceed safe
turning and stopping speeds. Do not go faster
than road conditions permit.
Shifting Procedures
2H To 4H Or 4H To 2H
Shifting between 2H and 4H can be made with
the vehicle stopped or in motion. The preferred
shifting speed would be 0 to 45 mph (72 km/h).
With the vehicle in motion, the transfer case will
engage/disengage faster if you momentarily
release the accelerator pedal after completing
the shift. Do not accelerate while shifting the
WARNING!
You or others could be injured or killed if you
leave the vehicle unattended with the transfer
case in the NEUTRAL (N) position without first
fully engaging the parking brake. The transfer
case NEUTRAL (N) position disengages both
the front and rear driveshafts from the
powertrain, and will allow the vehicle to roll,
even if the automatic transmission is in PARK
(or manual transmission is in gear). The
parking brake should always be applied when
the driver is not in the vehicle.
5
20_JL_OM_EN_USC_t.book Page 221
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