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166 STARTING AND OPERATING
CROSSING OBSTACLES (ROCKS AND
O
THER HIGH POINTS)
While driving off road, you will encounter many
types of terrain. These varying types of terrain bring
different types of obstacles. Before proceeding
review the path ahead to determine the correct
approach and your ability to safely recover the
vehicle if something goes wrong. Keeping a firm
grip on the steering wheel, bring the vehicle to a
complete stop and then inch the vehicle forward
until it makes contact with the object. Apply the
throttle lightly while holding a light brake pressure
and ease the vehicle up and over the object.
Using A Spotter
There are many times where it is hard to see the
obstacle or determine the correct path.
Determining the correct path can be extremely
difficult when you are confronting many obstacles.
In these cases have someone guide you over,
through, or around the obstacle. Have the person
stand a safe distance in front of you where they
can see the obstacle, watch your tires and
undercarriage, and guide you through.
Crossing Large Rocks
When approaching large rocks, choose a path
which ensures you drive over the largest with your
tires. This will lift your undercarriage over the
obstacle. The tread of the tire is tougher and
thicker than the side wall and is designed to take
the abuse. Always look ahead and make every
effort to cross the large rocks with your tires.
Crossing A Ravine, Gully, Ditch, Washout
Or Rut
When crossing a ravine, gully, ditch, washout or
a large rut, the angled approach is the key to
maintaining your vehicle's mobility. Approach
these obstacles at a 45-degree angle and let each
tire go through the obstacle independently. You
need to use caution when crossing large obstacles
with steep sides. Do not attempt to cross any large
obstacle with steep sides at an angle great enough
to put the vehicle at risk of a rollover. If you get
caught in a rut, dig a small trench to the right or left
at a 45-degree angle ahead of the front tires. Use
the removed dirt to fill the rut ahead of the turnout
you just created. You should now be able to drive
out following the trench you just created at a
45-degree angle.
CAUTION!
Reduced tire pressures may cause tire
unseating and total loss of air pressure.
To reduce the risk of tire unseating, while at a
reduced tire pressure, reduce your speed and
avoid sharp turns or abrupt maneuvers.
WARNING!
Crossing obstacles can cause abrupt steering
system loading which could cause you to lose
control of your vehicle.
CAUTION!
Never attempt to straddle a rock that is large
enough to strike your axles or undercarriage.
Never attempt to drive over a rock which is
large enough to contact the door sills.
WARNING!
There is an increased risk of rollover when crossing
an obstacle, at any angle, with steep sides.
22_DJD2_OM_EN_USC_t.book Page 166
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