1998 CHEVROLET ASTRO trailer

Downloaded from www.Manualslib.com manuals search engine FuseKircuit Breaker Usage
12
13
14
15
16
17
L, M 1, M2 Blower Motor, Rear A/C
Relay Coil, Front Cont. Temp. Door
Motor,
HI Blower Relay, Defogger
Timer Coil
Cigar Lighter, Door Lock Switches,
Dutch Door Release Module
Cluster Illum, HVAC Controls, Chime
Module, Radio Illumination, Rear Heat
Switch Illumination, Rear
Wiper/Washer Switch Illumination,
Rear Liftgate Switch Illumination,
Remote Cassette Illumination, O/H
Console
DRL Lamps
Front Turn Signals, Rear Turn Signals,
Trailer Turn Signals, Back-up Lamps,
BTSI Solenoid
Radio: ATC (Standby), 2000 Series
(Main Feed), Rear Seat Audio Controls 19
20
FuseKircuit
Breaker Usage
18 VCM-Ign 3, VCM-Brake, LCWAL,
Cruise Stepper Motor Signal
Radio: ATC (Main Feed),
2000 Series
(Standby)
PRNDL/ Odometer, TCC Enable and
PWM Solenoid, Shift A and Shift B
Solenoids, 3-2 Downshift Solenoid
21
22
23
24
A
B Not Used
Security/Steering Module
Rear Wiper, Rear Washer Pump
Not Used (Circuit Breaker) Power Door
Lock
Relay, 6-way Power Seat, Remote
Control Door Lock Receiver, Dutch
Door Module, Dutch Door Release
(Circuit Breaker) Power Windows
6-63

Downloaded from www.Manualslib.com manuals search engine Fuse/Circuit Breaker Usage
UPFIT-BATT Upfitter Battery Power Stud, Trailer
UPFIT-ACCY Upfitter Accessory Relay
Wiring
Harness
Spare
Fuse Puller*
Spare
Spare
ECM-B
HORN
A/C COMP
RR DEFOG
ENG-I
Fuse/Circuit Breaker Usage
IGN-E
ECM-I
Not used
LIGHTING
Not used
Not used Fuel Pump Relay and Motor, VCM,
Oil Pressure Switch/Sender
Horn Relay and Horn
A/C Enable Relay and Compressor
Heater-A/C Control Selector Switch,
Rear Window Defogger
Oxygen Sensors, Camshaft Position
Sensor, Mass Air Flow Sensor,
Evaporative Emission Canister Purge
Solenoid, Linear EGR Valve
Solenoid, VCM EGR HI BATT
IGN A
IGN B
ABS
NC
RR HTRIAC
Spare A/C
Enable Relay Coil
Fuel Injectors
1-6, Crankshaft
Position Sensor, VCM, Coil Driver
Module (EST)
Park Lamps Fuse, DRL Fuse,
Headlamp and Panel Dimmer Switch
SteeringBecurity Fuse, Courtesy
Fuse, ACSY CB, Stop/Hazard Fuse,
Auxiliary Power Fuse, Cigar Lighter
Fuse, Radio Battery Fuse
Starter Relay, Ignition Switch
Ignition Switch
Electronic Brake Control Module Blower Motor Resistor, Blower
Relay
Auxiliary Heater NC Relay
Not used
*A fuse puller is included
in the underhood electrical
center. You will also find spare fuses.
6-65

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule
I Short Trip/City Definition
Follow the Short Trip/City Maintenance Schedule if any
one of these conditions
is true for your vehicle:
Most trips are less than 5 to 10 miles (8 to 16 km).
This is particularly important when outside
temperatures are below freezing.
driving
in stop-and-go traffic).
0 Most trips are through dusty areas.
You frequently tow a trailer or use a carrier on top of
If the vehicle is used for delivery service, police, taxi
One of the reasons you should follow this schedule if
you operate your vehicle under any of these conditions
is that these conditions cause engine oil to
break
down sooneE
0 Most trips include extensive idling (such as frequent
your vehicle.
or other commercial application.
I Short Trip/City Intervals
Every 3,000 Miles (5 000 km): Engine Oil and Filter
Change (or
3 months, whichever occurs first). Chassis
Lubrication (or
3 months, whichever occurs first). Drive
Axle Service (or
3 months, whichever occurs first).
Every 6,000 Miles (10 000 km): Tire Rotation.
Every 15,000 Miles (25 000 km): Air Cleaner Filter
Inspection, if driving
in dusty conditions. Front
Wheel Bearing Repack
(2WD only) (or at each brake
relining, whichever occurs first). Automatic
Transmission Service (severe conditions only).
Every 30,000 Miles (50 000 km): Air Cleaner Filter
Replacement. Fuel Filter Replacement.
Every 50,000 Miles (83 000 km): Automatic
Transmission Service (normal conditions).
Every 60,000 Miles (100 000 km): Engine
Accessory Drive Belt Inspection. Fuel Tank,
Cap and Lines Inspection.
7-5

Downloaded from www.Manualslib.com manuals search engine Maintenance Schedule
I Short Trip/City Intervals
Every 100,000 Miles (166 000 km): Spark Plug Wire
Inspection. Spark Plug Replacement. Positive
Crankcase Ventilation (PCV) Valve Inspection.
Every 150,000 Miles (240 000 km): Cooling System
Service (or every
60 months, whichever occurs first).
These intervals only summarize maintenance services.
Be sure to follow the complete maintenance schedule
on
the following pages.
Long Trip/Highway Definition ,-
Follow this maintenance schedule only if none of the
conditions from the Short TripKity Maintenance
Schedule
is true. Do not use this schedule if the vehicle
is used for trailer towing, driven in a dusty area or used
off paved roads. Use the Short Trip/City schedule for
these conditions.
Driving a vehicle with a fully warmed engine
under higlzway conditions causes engine oil to
break down slowec
c
7-6

Downloaded from www.Manualslib.com manuals search engine Short TripKity Maintenance Schedule
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. The services shown
at 150,000 miles
(240 000 km) should be performed at
the same interval after 150,000 miles (240 000 km).
See “Owner Checks and Services’’ and “Periodic
Maintenance Inspections” following.
Footnotes
The U.S. Envlronmental Protection Agency or 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 the vehicle’s useful life. We, however,
urge that all recommended maintenance services be
performed at the indicated intervals and the maintenance
be recorded.
# Lubricate the front suspension, ball joints and kingpin
bushings, steering linkage and transfer case shift linkage,
parking brake cable guides, and brake pedal springs.
+ A good time to check your brakes is during tire
rotation. See “Brake System Inspection” under “Periodic
Maintenance Inspections” in Part
C of this schedule.
** Drive axle service (see “Recommended Fluids and
Lubricants”
in the Index for proper lubricant to use):
0
0
0
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.
7-8

Downloaded from www.Manualslib.com manuals search engine 1 Short TripKity Maintenance Schedule I
0 Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote?.)
velocity joints and axle seals for leaking. (See footnote
**.)
bearings (or at each brake relining, whichever occurs first).
under
one or more of these conditions:
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
0 Change automatic transmission fluid and filter if the vehicle is mainly driven
- In heavy city traffic where the outside temperature regularly reaches
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
90 OF (32 O C) or higher.
- Uses such as found in taxi, police or delivery service.
If you do not use yaw- vehicle under any of these conditions, change thejiruid
andfilter every
50,000 miles (83 000 km).
18,000 Miles (30 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
7-11

Downloaded from www.Manualslib.com manuals search engine I Short TripKity Maintenance Schedule I
30,000 Miles (50 000 km) (Continued)
0
0
0
For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
Replace
fuel filter.
An Emission Control Service. (See footnote+.)
Replace air cleaner filter.
An Emission Control Service.
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
- In heavy city traffic where the outside temperature regularly reaches
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and.filter every
50,000 miles (83 000 km).
Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
rotation pattern and additional information. (See footnote
+.)
90°F (32°C) or higher.
7-14

Downloaded from www.Manualslib.com manuals search engine I Short TripKity Maintenance Schedule 1
0 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel
0 Change automatic transmission fluid and filter if the vehicle is mainly driven
bearings
(or at each brake relining, whichever occurs first),
under one
or more of these conditions:
- In heavy city traffic where the outside temperature regularly reaches
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
andfilter every
50,000 miles (83 000 km).
filter if necessary.
An Emission Control Service. (See footnote?.)
90°F (32°C) or higher.
0 Inspect air cleaner filter if you are driving in dusty conditions. Replace
48,000 Miles (80 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs first).
0 Lubricate chassis components (or every 3 months, whichever occurs first).
An Emission Control Service.
(See footnote #.)
(Continued)
DATE
MILEAGE
ACTUAL SERVICED BY:
7-17