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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. 
4-3 
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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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