CHEVROLET BLAZER 2002 2.G Owners Manual

6-66 Fuses and Circuit Breakers
The wiring circuits in your vehicle are protected from
short circuits by a combination of fuses and circuit
breakers. This greatly reduces the chance of fires caused
by electrical problems.
Look at the silver
-colored band inside the fuse. If the
band is broken or melted, replace the fuse. Be sure you
replace a bad fuse with a new one of the identical size
and rating.
If you ever have a problem on the road and don't have a
spare fuse, you can borrow one that has the same
amperage. Just pick some feature of your vehicle that
you can get along without
-- like the radio or cigarette
lighter
-- and use its fuse, if it is the correct amperage.
Replace it as soon as you can.
Instrument Panel Fuse Block
The instrument panel fuse
block is located at the end
of the instrument panel on
the driver's side of the
instrument panel.
Remove the cover by turning the fastener
counterclockwise. Extra fuses and the fuse extractor are
provided in the cover. To reinstall the fuse panel cover,
push in and turn the fastener clockwise.

6-67
Fuse/Circuit
BreakerUsage
A Not Used
B Not Used
1 Not Used
2 Cigarette Lighter, Data
Link ConnectorFuse/Circuit
BreakerUsage
3 Cruise Control Module and
Switch, Body Control Module,
Heated Seats
4 Gages, Body Control Module,
Instrument Panel Cluster
5 Parking Lamps, Power Window
Switch, Body Control Module,
Ashtray Lamp
6 Steering Wheel Radio Controls
7 Headlamps Switch, Body Control
Module, Headlamp Relay
8 Courtesy Lamps, Battery
Run-Down Protection
9 HVAC Control Head (Manual)
10 Turn Signal
11 Cluster, Engine Control Module
12 Interior Lights
13 Auxiliary Power

6-68
Fuse/Circuit
BreakerUsage
14 Power Locks Motor
15 4WD Switch, Engine Controls
(VCM, PCM, Transmission)
16 Supplemental Inflatable Restraint
17 Front Wiper
18 Steering Wheel Radio Controls
19 Radio, Battery
20 Amplifier
21 HVAC (Manual), HVAC I
(Automatic), HVAC
Sensors (Automatic)
22 Anti
-Lock Brakes
23 Rear Wiper
24 Radio, Ignition
Engine Compartment Fuse Block
The engine compartment fuse block is located under the
hood on the driver's side of the vehicle. See ªEngine
Compartment Overviewº in the Index for more
information on location. Before using this fuse block
picture and chart, check to see that it matches the fuse
block in your vehicle. If the fuse block pictured here is
different than your vehicle's, use the fuse block picture
and chart located later in this section.
Remove the cover by turning the fastener
counterclockwise. To reinstall the fuse panel cover, push
in and turn the fastener clockwise.

6-69
Name Usage
TRL TRN Trailer Left Turn
TRR TRN Trailer Right Turn
TRL B/U Trailer Back Up Lamps
VEH B/U Vehicle Back Up LampsName Usage
RT TURN Right Turn Signal Front
LT TURN Left Turn Signal Front
HDLP W/W Not Used
LT TRN Left Turn Signal Rear
RT TRN Right Turn Signal Rear
RR PRK Right Rear Parking Lamps
TRL PRK Trailer Park Lamps
LTHDLP Left Headlamp
RTHDLP Right Headlamp
FRPRK Front Parking Lamps
INT BAT I/P Fuse Block Feed
ENG I Engine Sensors/Solenoids, MAF,
CAM, PURGE, VENT
ECM B Engine Control Module, Fuel
Pump Module, Oil Pressure
ABS Anti
-Lock Brake System
ECM I Engine Control Module Injectors

6-70
Name Usage
A/C Air Conditioning
W/W PMP Not Used
HORN Horn
BTSI Automatic Transmission Shift
Lock Control System
B/U LP Back Up Lamps
IGN B Column Feed, IGN 2, 3, 4
RAP Retained Accessory Power
LD LEV Not Used
OXYSEN Oxygen Sensor
IGN E Engine
MIR/LKS Mirrors, Door Locks
FOG LP Fog Lamps
IGN A Starting and Charging IGN 1
STUD #2 Accessory Feeds, Electric Brake
PARKLP Parking LampsName Usage
LR PRK Left Rear Parking Lamps
IGN C Starter Solenoid,
Fuel Pump, PRNDL
HTDSEAT Heated Seat
HVAC HVAC System
TRCHMSL Trailer Center High Mount
Stop Light
RRDFOG Rear Defogger
TBC Truck Body Computer
CRANK Clutch Switch, NSBU Switch
HAZLP Hazard Lamps
VECHMSL Vehicle Center High
-Mounted
Stop Lamp
HTDMIR Heated Mirror
ATC Transfer Case (Four
-Wheel Drive)
STOPLP Stop Lamps
RR W/W Rear Window Wiper

6-71
Replacement Bulbs *
Lamps Number
Halogen Headlamps,
Composite Low Beam9006 HB4 or
9006LL
Halogen Headlamps,
Composite High Beam9005 HB3
Taillamps 3057
Front Sidemarker Lamps 194 NA
Turn Signal Lamps 3457A
*For replacement bulbs not listed here, please consult
your dealer.
Capacities and Specifications
Engine Description ªVORTECº 4300. . . . . . . . . . . .
Type V6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIN Code W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Firing Order 1
-6-5-4-3-2 . . . . . . . . . . . . . . . . . . . . . .
Horsepower 190 at 4,400 rpm. . . . . . . . . . . . . . . . . . .
Thermostat Specification 195
F (91
C) . . . . . . . . . . .
Spark Plug Gap 0.060 inches (1.52 mm). . . . . . . . . .
Wheels and Tires
Wheel Nut Torque 100 lb-ft (140 N´m) . . . . . . . . . . .
Tire Pressure See the Certification/Tire label.. . . . . .
See ªLoading Your Vehicleº in the Index.

6-72 Capacities
Please refer to ªRecommended Fluids and Lubricantsº
in the Index for more information.
Cooling System*
Automatic Trans. 11.7 quarts (11.1 L). . . . . . . . . . . .
Manual Trans. 11.9 quarts (11.3 L). . . . . . . . . . . . . .
Engine Oil with Filter* 4.5 quarts (4.3 L). . . . . . . .
Automatic Transmission
(Drain and Refill)* 5.0 quarts (4.7 L). . . . . . . . . . .
Differential Fluid*
Rear 4.0 pints (1.9 L). . . . . . . . . . . . . . . . . . . . . . . .
Front 2.6 pints (1.2 L). . . . . . . . . . . . . . . . . . . . . . .
Fuel Tank
(2
-Door Models) 19.0 U.S. gallons (72.0 L). . . . . .
Fuel Tank
(4
-Door Models) 18.0 U.S. gallons (68.0 L). . . . . .
*All capacities are approximate. After refill, the level
must be checked.
Air Conditioning Refrigerant
Capacity
If you do your own service work, you'll need the proper
service manual. See ªDoing Your Own Service Workº in
the Index for additional information. It is recommended
that service work on your air conditioning system be
performed by a qualified technician.
Air Conditioning
Refrigerant R134a 1.8 lbs. (.79 kg). . . . . . . . . . . . . .
Use Refrigerant Oil, R134a Systems

6-73
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 dealer.Thermostat** 12559051. . . . . . . . . . . . . . . . . . . . . . .
Oil Filter* (2
-Wheel Drive) PF47 (PF52 Optional). . .
Oil Filter* (4
-Wheel Drive) PF52. . . . . . . . . . . . . . . .
Air Cleaner Filter* A1163C. . . . . . . . . . . . . . . . . . . . .
PCV Valve* CV769C. . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Transmission Filter Kit** 24200796. . . .
Spark Plugs* 41
-932 . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Filter* GF481. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Windshield
Wiper Blade Trico 20 inches (50.8 cm). . . . . . . . . .
Backglass Wiper Blade Trico 14 inches (35.6 cm). . .
*ACDelco

Part No.
**GM Part No.

7-
7-1
Section 7 Maintenance Schedule
This section covers the maintenance required for your vehicle. Your vehicle needs these services to retain its safety,
dependability and emission control performance.
7
-2 Introduction
7
-4 Part A: Scheduled Maintenance Services
7
-8 Short Trip/City Scheduled Maintenance
7
-31 Long Trip/Highway Scheduled Maintenance7
-44 Part B: Owner Checks and Services
7
-50 Part C: Periodic Maintenance Inspections
7
-52 Part D: Recommended Fluids and Lubricants
7
-55 Part E: Maintenance Record

7-2
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties. See your
Warranty and Owner Assistance booklet or your dealer
for details.
Introduction
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep your
vehicle in good working condition, but also helps the
environment. All recommended maintenance procedures
are important. Improper vehicle maintenance can even
affect the quality of the air we breathe. Improper fluid
levels or the wrong tire inflation can increase the level
of emissions from your vehicle. To help protect our
environment, and to keep your vehicle in good
condition, please maintain your vehicle properly.
Maintenance Requirements
Maintenance intervals, checks, inspections and
recommended fluids and lubricants as prescribed in this
manual are necessary to keep your vehicle in good
working condition. Any damage caused by failure to
follow recommended maintenance may not be covered
by warranty.