Section 6 Service  and  Appearance  Care 
Here you  will  find information about the care of your vehicle.  This section  begins  with service and fuel  information, 
and  then  it shows  how to check important fluid  and  lubricant levels. There is also  technical  information  about  your 
6-2 
6-3 
6-5 
6-5 
6-7 
6-8 
6- 11 
6- 12 
6-  16 
6- 
17 
6-2 1 
6-2 1 
6-24 
6-25 
6-25 
6-26 
6-27 
6-3 
1 
vehicle,  and  a  part devoted to its appearance care. 
Service 
Fuel  (Gasoline Engine) 
Fuels  in Foreign Countries (Gasoline Engines) 
Filling  Your  Tank  (Gasoline Engine) 
Filling  a Portable  Fuel Container 
Checking Things  Under the Hood 
Noise Control System  Engine  Oil (Gasoline Engine) 
Air  Cleaner (Gasoline Engines) 
Automatic  Transmission  Fluid 
Rear  Axle 
Engine Coolant 
Radiator  Pressure  Cap 
Thermostat 
Power Steering  Fluid 
Windshield  Washer Fluid 
Brakes 
Battery 
6-32 
6-32 
6-40 
6-4 
1 
6-5 1 
6-5 1 
6-55 
6-56 
6-57 
6-57 
6-57 
6-59 
6-60 
6-6 
1 
6-66 
6-67 
6-69  Bulb 
Replacement 
Halogen Bulbs 
Windshield  Wiper  Blade  Replacement 
Tires  Appearance  Care 
Cleaning  the Inside 
of Your  Vehicle 
Cleaning  the Outside  of  Your  Vehicle 
Cleaning Aluminum Wheels  (If Equipped) 
Cleaning  Tires 
Sheet  Metal  Damage 
Finish Damage 
Appearance  Care Materials Chart 
Vehicle  Identification  Number (VJN) 
Electrical  System 
Replacement  Bulbs 
Capacities  and Specifications 
Normal  Maintenance  Replacement  Parts 
6-1 
ProCarManuals.com 
1998 GMC  SERVICE  PUBLICATIONS  ORDERING  INFORMATION 
The  following  publications  covering  the  operation  and  servicing of  your  vehicle  can  be  purchased  by  filling 01 
the  Service  Publication  Order  Form  in  this  book  and  mailing  it\
  in  with  your  check,  money  order, 
or credit  card  information  to  Helm,  Incorporated  (address  below.) \
~ 
CURRENT  PUBLICATIONS FOR 1998 GMC 
SERVICE  MANUALS 
Service  Manuals  have the diagnosis  and repair  information 
on  engines,  transmission,  axle,  suspension,  brakes, 
electrical,  steering,  body,  etc. 
RETAIL  SELL  PRICE: 
$90.00 
TRANSMISSION,  TRANSAXLE,  TRANSFER  CASE 
UNIT  REPAIR  MANUAL 
This  manual  provides information  on  unit  repair  service 
procedures,  adjustments  and  specifications  for  the  1998 
GM transmissions,  transaxles  and  transfer  cases. 
RETAIL  SELL  PRICE: 
$40.00 
SERVICE  BULLETINS 
Service  Bulletins  give  technical service  information  needed 
to  knowledgeably  service  General Motors  cars  and  trucks. 
Each  bulletin  contains  instructions  to  assist  in the 
diagnosis  and  service  of  your  vehicle. 
PLEASE  COMPLETE  THE  ORDER  FORM  SHOWN  ON 
THE  FOLLOWING  PAGE  AND  MAIL  TO: 
Helm,  Incorporated RO.  Box  07130 Detroit,  MI  48207 
OWNER’S  INFORMATION 
Owner  publications  are  written  directly  for  Owners  and 
intended  to provide  basic  operational  information  about  th 
vehicle.  The  owner’s  manual  will  include  the  Maintenance  Schedule  for  all models. 
In-Portfolio:  Includes  a  Portfolio,  Owner’s  Manual  and 
Warranty  Booklet.  RETAIL  SELL  PRICE:  $1 
5.00 
Without  Portfolio:  Owner’s  Manual only. 
RETAIL  SELL  PRICE: 
$1 0.00 
CURRENT & PAST  MODEL  ORDER  FORMS 
Service  Publications  are  available  for  current  and past 
model  GM  vehicles.  To request  an  order  form,  please 
specify  year  and  model name of the  vehicle. 
OR  ORDER  TOLL  FREE: 1-800-782-4356 
Monday-Friday 8:OO AM - 6:OO PM  Eastern  Time 
For  Credit  Card  Orders  Only 
(VISA-MasterCard-Discover) 
ProCarManuals.com