Page 274 of 342
Downloaded from www.Manualslib.com manuals search engine NAME
INST LPS
PWR ACCY
CIG LTFUDM
GAGES
CIRCUITS
PROTECTED
Instrument Panel
Lamps, Radio
Dial Lamps,
Heater Lamps
Power
Door
Locks, Power Seat
Digital Clock,
Cigarette
Lighter, Dome Lights, Radio
Memory, Glove
Box Lamp
Instrument Cluster Gages,
Brake Switch, Audio Alarm.
Headlight
Switch
Illumination,
Ash Tray
Illumination
AUX HTR-A/C Auxiliary
Heater-Rear
AIC (if
equipped)
STOP-HA2
HORN/TL
LMPS
TURN-BAJ
Stop Lamps,
Hazard Flash,
Digital Instrument
Cluster
Headlamp Switch, Rear
and Parking
Lamps, Horn
Relay
Direction
Signal
Flash, Back Up
Lamps
FUSE
10 Amp
CIRCUIT
BREAKER
30 Amp
20 Amp
20 Amp
25 Amp
20 Amp
20 Amp
20 Amp
6-66
Page 275 of 342
Downloaded from www.Manualslib.com manuals search engine NAME
HTR A/C
RADIO
ECM B
ECM I
PWR WDO
AIR BAG
WIPER
BRAKE
DRL** PWR
MIRRORS*
TRAILER*
CIRCUITS
PROTECTED
Front Heater &
Air
Conditioning
Radio
Engine Control
Module
Engine Control Module
Power
Windows
Air Bag
Windshield Wiper
Anti-Lock
Brake System,
Speedometer,
Cruise Control
Canadian Daytime
Running Lamps
rower Mirror
Trailer Wiring
Harness
FUSE
20 Amp
15 Amp
15 Amp
10 Amp
CIRCUIT
BREAKER
30 Amp
10 Amp
25 Amp
15 Amp
10 Amp
3 Amp
30 Amp
*In-line fuse
**Canada
only
***In-line fuse (certain models)
6-67
Page 282 of 342

Downloaded from www.Manualslib.com manuals search engine I Maintenance Schedule I
The services shown in this schedule up to 100,000 miles ( 166 000 km)
should be performed after 100,000 miles (166
000 km) at the same intervals.
Footnotes
f The California Air Resources Board has determined that the failure to
perform this maintenance item will not nullify the emission warranty or
limit recall liability prior to the completion of vehicle useful life. We,
however, urge that all recommended maintenance services be performed at
the indicated intervals and the maintenance be recorded.
** Drive axle service:
Locking Differential - Drain fluid and refill at first engine oil change.
At subsequent oil changes, check fluid level and add fluid as needed. If
driving in dusty areas or towing a trailer, drain fluid and refill every
15,000 miles (25 000 km).
Standard Differential - Check fluid level and add fluid as needed at
every oil change. If driving in dusty areas or towing a trailer, drain
fluid and refill every 15,000 miles
(25 000 km).
More frequent lubrication may be required for heavy-duty use.
3,000 Miles (5 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs
first).
An Emission Control Service.
Lubricate the front suspension, ball joints and king pin bushings,
steering linkage and transfer case shift linkage, parking brake cable
guides, and brake pedal springs at every oil change (or every
6 months,
whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check
constant velocity joints and axle seals
for leaking. **
I DATE I ACTUALMILEAGE I T~RVICED BY
7-6
Page 302 of 342

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule II
The services shown in this schedule up to 100,000 miles (166 000 km)
should be performed after
100,000 miles (1 66 000 km) at the same intervals.
Footnotes
3- The California Air Resources Board has determined that the failure to
perform this maintenance item will not nullify the emission warranty or
limit recall liability prior to the completion of vehicle useful life. We,
however, urge that all recommended maintenance services be performed at
the indicated intervals and the maintenance be recorded.
** Drive axle service:
Locking Differential - Drain fluid and refill at first engine oil change.
At subsequent oil changes, check fluid level and add fluid as needed. If
driving in dusty areas or towing a trailer, drain fluid and refill every
15,000 miles (25 000 km).
Standard Differential - Check fluid level and add fluid as needed at
every engine oil change. If driving
in dusty areas or towing a trailer,
drain fluid and refill every
15,000 miles (25 000 km).
0 More frequent lubrication may be required for heavy-duty use.
7,500 Miles (12 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs
0 Lubricate the front suspension, ball joints and king pin bushings,
steering linkage and transfer case shift linkage, parking brake cable
guides, and brake pedal springs at every oil change (or every 12
months, whichever occurs first).
0 Check readfront axle fluid level and add fluid as needed. Check
first).
An Emission Control Service.
constant
velocity joints and axle seals for leaking.**
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information.
DATE SERVICED BY: ACTUAL MILEAGE
7-26
Page 312 of 342

Downloaded from www.Manualslib.com manuals search engine Engine Coolant Level
Check the engine coolant level and add the proper coolant mix if necessary.
See “Coolant” in the Index for further details.
Windshield Washer Fluid Level
Check the windshield washer fluid level in the windshield washer tank and
add the proper fluid if necessary. See “Windshield Washer Fluid” in the
Index for further details.
At Least Once a Month
Tire lnflation
Check tire inflation. Make sure tires are inflated to the pressures specified
on the CertificatiodTire label located on the rear edge of the driver’s door.
See “Tires” in the Index for further details.
Cassette Deck
Clean cassette deck. Cleaning should be done every 50 hours of tape play.
See “Audio Systems” in the Index for further details.
At Least Once a Year
Key Lock Cylinders
Lubricate the key lock cylinders with the lubricant specified in Part D.
Body Lubrication
Lubricate all body door hinges, the body hood, fuel door and rear
compartment hinges, latches and locks including interior glove box and
console doors, and any moving seat hardware. Lubricate the hood safety
lever pivot and prop rod pivot. Part
D tells you what to use. More frequent
lubrication may be required when exposed to a corrosive environment.
7-36
Page 313 of 342

Downloaded from www.Manualslib.com manuals search engine Starter Switch
1. Before you start, be sure you have enough room around the vehicle.
2. Firmly apply both the parking brake (see “Parking Brake” in the Index
if necessary) and the regular brake.
NOTE: Do not use the accelerator pedal, and be ready to turn off the
engine immediately if it starts.
3. Try to start the engine in each gear. The starter should work only in
PARK (P) or NEUTRAL (N). If the starter works in any other position,
your vehicle needs service.
Brake-Transmission Shift Interlock - BTSI
1. Before you start, be sure you have enough room around the vehicle. It
should be parked on a level surface.
2. Firmly apply the parking brake (see “Parking Brake” in the Index if
necessary).
NOTE: Be ready
to apply the regular brake immediately if the vehicle
begins to move.
3. With the engine off, turn the key to the RUN position, but don’t start
the engine. Without applying the regular brake, try to move the shift
lever out
of PARK (P) with normal effort. If the shift lever moves out
of PARK (P), your vehicle’s BTSI needs service.
7-37
Page 314 of 342

Downloaded from www.Manualslib.com manuals search engine Steering Column Lock
While parked, and with the parking brake set, try to turn the key to LOCK
in each shift lever position.
The key should turn to LOCK only when the shift lever is in PARK (P).
The key should come out only in LOCK.
Parking Brake and Automatic Transmission PARK (P)
Mechanism Check
I
When you are doing this check, your vehicle could begin to I
CAUTION:
move. You or others could be injured and property could be
damaged.
Make sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the regular brake at once
should the vehicle begin
to move.
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your
foot on the regular brake, set the parking brake.
0 To check the parking brake: With the engine running and transmission
in NEUTRAL (N), slowly remove foot pressure from the regular brake
pedal.
Do this until the vehicle is held by the parking brake only.
To check the PARK (P) mechanism's holding ability: Shift to PARK
(P). Then release all brakes.
Lap and Shoulder Belts Condition and Operation
Inspect belt system, including: webbing, buckles, latch plates, retractors,
guide loops and anchors. Have
a belt assembly replaced if the webbing has
been cut
or otherwise damaged.
7-38
Page 316 of 342

Downloaded from www.Manualslib.com manuals search engine NOTE: Fluids and lubricants identified below by name, part number or
specification may be obtained from your GM dealer.
USAGE
Engine Oil
Engine Coolant Coolant Supplement
Hydraulic Brake System
Parking Brake Guides
Power Steering System
Automatic Transmission Key Lock Cylinders
Automatic Transmission Shift
Linkage
Chassis Lubrication
FLUID/LUBRICANT
Engine oil with the American Pe-
troleum Institute Certified For Gas-
oline Engines “Starburst” symbol
of
the proper viscosity. To determine
the preferred viscosity for your ve-
hicle’s engine, see “Engine Oil” in
the Index.
Mixture of water and a good quality
ethylene glycol base antifreeze or
an approved recycled coolant con-
forming to GM Specification
GM Part No. 3634621 or equiva-
lent. 6038-M (GM Part
NO. 1052103).
Delco Supreme
11 @ Brake Fluid
(GM Part
No. 1052535 or equiva-
lent DOT-3 brake fluid).
Chassis lubricant (GM Part No.
1052497 or equivalent) or lubricant
meeting requirements
of NLGI
Grade
2, Category LB or GC-LB.
GM Hydraulic Power Steering
Fluid (GM Part
No. 1052884 or
equivalent).
DEXRON@-I11 Automatic Trans-
mission Fluid.
Lubricate
with Multi-Purpose Lu-
bricant (GM Part
No. 12345 120) or
synthetic SAE
5W-30 engine oil.
Engine oil.
Chassis lubricant
(GM Part No.
1052497 or equivalent) or lubricant
meeting requirements of NLGI
Grade 2, Category LB
or GC-LB.
7-40