1993 CHEVROLET ASTRO PASSENGER air conditioning

Downloaded from www.Manualslib.com manuals search engine Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same. If the air conditioning
system in your vehicle needs refrigerant, be sure the proper refrigerant
is
used. If you’re not sure, ask your GM dealer.
Air Conditioning Refrigerant Capacity
TYPE SYSTEM QUANTITY
R-12 C-60 3.00
Ibs. (1.4 kg)
R-12 C-69 3.75 Ibs. (1.7 kg)
Crankcase
QUANTITY
ENGINE Without Filter
I With Filter
VIN CODE
4.3L
4.5 Quarts
(4.3 Liters) 4 Quarts (3.8 Liters) W 4.3L
4.5 Quarts (4.3 Liters) 4 Quarts (3.8 Liters) Z
All quantities are approximate.
After refill, the level
MUST be checked.
TO1 8E
Fuel Tank
TYPE QUANTITY
Standard 27 Gallons (102 Liters)
I
Quantity is approximate.
TO1 87 I
6-65

Downloaded from www.Manualslib.com manuals search engine Service & Appearance Care
Fuses and Circuit Breakers Usage
Name
Inst. Lps.
Pwr. Acc.
Horn-Dm.
Gages
Aux. Htr. NC
Stop-Haz.
Tail Lps.
Turn
BIU
Htr. NC
Radio
ECM B
ECM
I
Pwr. Wdo.
Wiper
Brake
Fog Lamps***
DRL**
Pow. Mirrors*
Trailer*
Circuits Protected
Instrument Panel Lamps, Radio Dial
Lamps, Heater Lamps
Power Door Locks, Power Seat
Horn Relay, Digital Clock, Cigarette
Lighter, Dome Lights, Radio Memory,
Glove Box Lamp
Instrument Cluster Gages, Brake
Switch, Audio Alarm, Headlight Switch
Illumination, Ash Tray Illumination,
Cruise Control
Auxiliary Heater-Rear NC
(if equipped)
Stop Lamps, Hazard Flash, Digital
Instrument Cluster
Headlamp Switch, Tail and Parking
Lamps
Direction Signal Flash, Back Up
Lamps
Front Heater
& Air Conditioning
Radio
Engine Control Module
Engine Control Module
Power Windows
Windshield Wiper
Anti-Lock Brake System,
Speedometer
Fog Lamps
Canadian Daytime Running Lights
Power Mirror
Trailer Wirina Harness
Fuse
10 Amp
30 Amp
20 Amp
25 Amp
20 Amp
20 Amp
20 Amp
20 Amp
10 Amp
10 Amp
10 Amp
25 Amp
15 Amp
15 Amp
10 Amp
3 Amp
30 Amr,
Circuit
Breaker
30 Amp
30 Amp
*In-line fuse.
**Canada only.
“*In-line fuse (certain models).
TO007
6-68

Downloaded from www.Manualslib.com manuals search engine Scheduled Maintenance Services
Explanation Of Scheduled Maintenance Services
Below are explanations of the services listed in the maintenance charts.
The proper fluids and lubricants to use are listed in this section. Make sure
whoever services your vehicle uses these. All parts should be \
replaced and
all necessary repairs done before you or anyone else drives th\
e vehicle.
1. ENGINE OIL AND OIL FILTER CHANGE* -ALWAYS USE SG OR
SG/CE QUALITY, ENERGY CONSERVING II OILS OF THE PROPER
VISCOSITY.
To determine the preferred viscosity oil for your vehicle’s
engine (e.g. SAE 5W-30). See “Engine Oil” in the Index.
bushings, steering linkage, transfer case shift linkage, parking \
brake cable
guides, propshaft splines, universal joints and brake pedal spri\
ngs at the
intervals specified on the proper maintenance schedule or at ev\
ery
engine oil change, whichever comes first.
2.
CHASSIS LUBRICATION -Lubricate the front suspension, king pin
Ball joints and king pin bushings should not be lubricated unl\
ess their
temperature is
10°F (-12”C), or higher. When the weather is cold, let
them warm up before lubrication or they could be damaged.
Also, be sure to check all the vehicle fluid levels at this time.
3.
COOLING SYSTEM SERVICE* -Drain, flush and refill system with new
coolant. See the Index under “Engine Coolant” for the pro\
per coolant and mixture to use in your vehicle.
Also inspect the hoses and replace them
if they are cracked, swollen, or
deteriorated. Tighten all hose clamps. Clean the outside of the radiator
and air conditioning condenser. Wash the radiator neck.
To ensure proper
operation, pressure test the radiator and cap.
4. AIR CLEANER FILTER REPLACEMENT* -Replace at specified
intervals. Replace more often under dusty conditions. Ask your \
dealer for
the proper replacement intervals for your driving conditions.
5. FRONT WHEEL BEARING REPACK (2-WHEEL DRIVE ONLY) -Clean
and repack the front wheel bearings at each brake relining, or at the
specified interval, whichever comes first.
* An Emission Control Service

Downloaded from www.Manualslib.com manuals search engine INDEX
A
Air Cleaner .................................... 6-1 9
Air Conditioning
.............................. 3-6
Fan Lever
.................................... 3-6
Function Lever
............................ 3-6
Maintenance
.............................. 6-39
Rear
............................................. 3-8
Refrigerant Capacity
................. 6-65
Temperature Lever
...................... 3-6
All-Wheel Drive
............................. 6-23
Antenna, Fixed Mast
.................... 3-29
Antilock Brakes (See “Brakes”) Appearance Care
......................... 6-52
Materials
.................................... 6-59
Ashtrays
........................................ 2-50
Assist Handles
.............................. 2-68
Audio Systems
................................ 3-9
AM Radio
.................................. 3-11
AM-FM Stereo Audio Cassette
AM-FM Stereo Audio
AM-FM Stereo Audio
AM-FM Stereo Audio System
.. 3-1 3
Anti-Theft Feature
..................... 3-26
Compact Disc Care
.................. 3-28
Automatic Transmission
............... 2-1 7
Fluid ........................................... 6-20
Arbitration Program
........................ 8-3
System with Equalizer
.......... 3-1 8
Cassette System
................... 3-1 5
Compact Disc (CD) System .... 3-23
Cassette Tape Player
..... 3-21, 3-22
.
. I
Axle
Front.
.......................................... 6-24
Rear
........................................... 6-23
B
Battery ........................................... 6-34
Belts (See “Safety Belts”) Better Business Bureau Mediation
..................................... 8-3
Blizzard
.......................................... 4-42
Brakes Adjustment
................................. 4-17
Antilock
...................................... 4-14
Fluid
...........................................
Hydro-Boost System (Hydraulic Pump)
................... 6-34
Master Cylinder
......................... 6-32
Parking
....................................... 2-20
Pedal Travel
.............................. 4-17
Rear Drum
................................. 4-17
Replacing Parts
......................... 6-33
Trailer
......................................... 4-46
Wear Indicators ......................... 4-17
In Emergencies
......................... 4-18
Break-In, New Vehicle
.................. 2-13
Bulb Replacement
........................ 6-35
Halogen.
..................................... 6-35
Replacement Chart
................... 6-66
6-32
System Warning Light
.... 2-58, 4-16
Braking
.......................................... 4-12
9-1