Page 191 of 452

Drunken Driving
Death and injury associated with drinking and driving is
a national tragedy. It’s the number one contributor to
the highway death toll, claiming thousands of victims
every year.
Alcohol affects four things that anyone needs to drive
a vehicle:
Judgment
Muscular Coordination
Vision
Attentiveness.
Police records show that almost half of all motor
vehicle-related deaths involve alcohol.
In most cases,
these deaths are the result of someone who was drinking
and driving. In recent years, over
17,000 annual motor
vehicle-related deaths have been associated with the use
of alcohol, with more than
300,000 people injured.
Many adults
-- by some estimates, nearly half the adult
population
-- choose never to drink alcohol, so they
never drive after drinking. For persons under
2 1, it’s
against the law
in every U.S. state to drink alcohol.
There are
good medical, psychological and
developmental reasons for these laws. The
obvious way
to solve this highway safety problem
is for people never to drink alcohol and then drive. But
what
if people do? How much is “too much” if the
driver plans to drive? It’s a lot less than many might
think. Although it depends on each person and situation,
here
is some general information on the problem.
The Blood Alcohol Concentration (BAC)
of someone
who is drinking depends upon four things:
The amount of alcohol consumed
The drinker’s body weight
The amount of food that is consumed before and
The length of time it has taken the drinker to
during drinking
consume the alcohol.
According
to the American Medical Association, a
180-lb.
(82 kg) person who drinks three 12-ounce
(355 ml) bottles of beer in an hour will end up with a
BAC of about 0.06 percent. The person would reach the
same BAC by drinking three 4-ounce
( 120 ml) glasses
of wine or three mixed drinks if each had 1 - 112 ounces
(45 ml) of a liquor like whiskey, gin or vodka.
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Page 211 of 452

Q.' Am I likely to stall when going downhill?
A: It's much more likely to happen going uphill. But if
it happens going downhill, here's what to do.
Stop your vehicle by applying the regular brakes.
Apply the parking brake.
Shift to PARK (Pj (or to NEUTRAL (Nj with the
manual transmission) and, while still braking, restart
the engine.
Shift back to a low gear, release the parking brake,
and drive straight down.
0 If the engine won't start, get out and get help.
Driving Across an Incline
Sooner or later, an off-road trail will probably go across
the incline of a
hill. If this happens, you have to decide
whether to try to drive across the incline. Here are some
things to consider:
A hill that can be driven straight up or down may be
too steep to drive across. When you go straight up or
down a
hill, the length of the wheel base (the
distance from the front wheels to the rear wheels)
reduces the likelihood the vehicle will tumble end over end.
But when
you drive across an incline, the
much more narrow track width (the distance between
the left and right wheels) may not prevent the vehicle
from tilting and rolling over.
Also, driving across an
incline puts more weight on the downhill wheels.
This could cause
a downhill slide or a rollover.
Surface conditions can be a problem when you drive
across
a hill. Loose gravel, muddy spots, or even wet
grass can cause your tires to slip sideways, downhill.
If the vehicle slips sideways, it can hit something
that will trip
it (a rock, a rut, etc.) and roll over.
Hidden obstacles can make the steepness of the
incline even worse.
If you drive across a rock with
the uphill wheels, or
if the downhill wheels drop into
a rut or depression, your vehicle can tilt even more.
For reasons like these, you need to decide carefully
whether to try to drive across an incline. Just because
the trail goes across the incline doesn't mean you
have to drive it. The last vehicle to try
it might have
rolled over.
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Page 340 of 452
4. Push in gently on the
bulb, turn it to the
left and remove it from
the socket. Windshield Wiper Blade Replacement
For proper type and length, see “‘Normal Maintenance 1 I
Replacement Parts” in the Index. I i
i
5. Put in a new bulb and, pushing in gently, turn it to
the right until it is tight.
6. Put the socket back in the lamp assembly and replace
the lens and lens seal.
To replace the windshield wiper blade assembly:
1. Lift the wiper arm and rotate the blade until it is
2. Push the release lever and slide the wiper assembly
3. Install a new blade by reversing Steps 1 and 2.
facing away from the windshield.
toward the driver’s side
of the vehicle.
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Page 368 of 452

Normal Maintenance Replacement Parts
Replacement part numbers listed in this section are based on the latest information available at the time of printing,
and are subject to change. If a part listed
in this manual is not the same as the part used in your vehicle when it was
built, or
if you have any questions, please contact your GM truck dealer.
These specifications are for information only.
If you have any questions, see the service manual for the chassis or
refer
to the body manufacturer's publications.
VIN Code
Oil Filter';"
Air Cleaner Filter*
PCV Valve*
Spark Plugs*
Fuel Filter*
Wiper Blades**
Wiper Blade Type
Wiper Blade Length
w M
PF52 PF12 18.1
A 1300C??
A 1300C??
CV746C CV796C
4 1-932 4 1-932
GF626 GF626
22154886 22 154886
Trico Trico
18 inches (45.0 cm) 18 inches
(45.0 cm)
"AC part number
**GM part number
?Use
a PF52 oil filter if your vehicle has four-wheel drive.
??A1301C high-capacity air cleaner filter.
R J
PF1218? PF1218
A 1300C?? A 1300C??
CV796C cv774c
4 1-932 4 1-932
GF626 GF626
22 154886 22154886
Trico Trico
18 inches (45.0 cm) I8
inches (45.0 cm)
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