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1994 Chevrolet Astro Owner's Manual - Page 202

1994 Chevrolet Astro Manual

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8. Then replace the pressure cap. At any time during this procedure if coolant begins to flow out ofthe filler neck, reinstall the pressure cap. Be sure the arrows on the pressure cap line up like this. Engine FanNoise This vehicle has a clutched engine cooling fan. When theclutch is engaged, the fan spins faster to provide moreair to cool the engine. most every day In driving conditions the clutch is not engaged.This improves fuel economy and reduces fan noise. Under heavy vehicle loading, trailer towing and/or high outside temperatures, the fan speed increases when the clutch engages. So you may hear an increasein fan noise. This is normal and should not be mistaken as the transmission slipping making extra shifts. It is merely or the cooling system functioning properly.The fan will slow down when additional cooling is not required and the clutch disengages. You may also hear this fan noise when you start the engine. It will go away as the fan clutch disengages. If a Tire Goes Flat It's unusual for atire to "blowout" while you'redriving, especially if you maintain your tires properly. air goes outof a tire, it's much more likely to If leak out slowly. But you should ever have a "blowout," here are a few tips if about what to expect and what do: to If a front tire fails, the flat tire will create a drag that pulls the vehicle toward that side. Take your foot off the accelerator pedal and grip the steering wheel firmly.Steer to maintain laneposition, then gently brake to a stop well out of the traffic lane. A rear blowout, particularly on a curve, acts much likea skid and may require the same correction you'd use in a skid. In any rear blowout, remove your foot from the accelerator pedal. Get the vehicle under control by steering the way you want the vehicle to It may be very bumpy and go. noisy, but you canstill steer. Gently brake to stop, well off the road if a possible. If a tire goes flat, the next section shows how to use your jacking equipment to change a flat tire safely. 5-18

Section	Page
Table of Contents	6
How to Use this Manual	7
Seats and Safety Belts	13
Front Seats	14
Rear Seats	17
Head Restraints	22
Safety Belts: They’re For Everyone	23
Why Safety Belts Work	24
Questions People Ask	27
Safety Belt Reminder Light	28
How To Wear Safety Belts Properly	28
Adults	29
Driver Position	29
Lap-Shoulder Belt	29
Driver's Facial Air Bag System	37
Safety Belt Use During Pregnancy	41
Right Front Passenger Position	42
Rear Seat Outside Passenger Positions	43
Center Passenger Positions	46
Children	47
Smaller Children and Babies	48
Child Restraints	49
Larger Children	56
Safety Belt Extender	58
Checking Your Restraint Systems	59
Replacing Safety Belts After a Crash	59
Features and Controls	61
Keys	63
Your Doors and How They Work	65
Door Locks	68
Theft	71
New Vehicle Break-In	72
Ignition Switch	73
Starting Your Engine	74
Fuel Regulator	75
Driving Through Deep Standing Water	76
Engine Block Heater	76
Automatic Transmission	77
Locking Rear Axle	80
Parking Brake	80
Shifting Into P	81
Shifting Out of P	82
Parking Over Things that Burn	83
Engine Exhasust	84
Running Your Engine While You're Parked	84
All Wheel Drive Option	86
Windows	86
Horn	89
Tilt Wheel	89
Turn Signal/MuItifunction Lever	90
Turn Signal and Lane Change Indicator	90
Headlight High-Low Beam	92
Windshield Wipers	92
Windshield Washer	93
Rear Window Wiper Washer	94
Cruise Control	95
Lights	101
Mirrors	105
Sun Visors	107
Cigarette Lighter/Ashtrays	108
Storage Compartments	110
Instrument Cluster	111
Warning Lights, Gages and Indicators	115
Indicator Lights	117
Gages	121
Luggage Carrier	125
Trailer Wiring Harness	126
Comfort Controls & Audio Systems	129
Comfort Controls	130
Flow-Through Ventilation System	130
Heating System	132
Heating/Air Conditioning System	133
Rear Heater	134
Rear Air Conditioning	134
Rear Window Defogger	135
Engine Block Heater	136
Audio Systems	136
FM Stereo	136
AM Stereo	136
How to Operate Your ETR@ AM Radio	137
How to Operate Your ETR@ AM-FM Stereo Audio System	139
How to Operate Your ETR@ AM-FM Stereo Audio Cassette System	141
How to Operate Your ETR@ AM-FM Sterio Audio Cassette System with Equalizer	144
Care of Your Cassette Tape Player	147
How to Operate Your ETR@ AM-FM Sterio Audio 20 Compact Disc System	148
Care of Your Compact Discs	153
Fixed Mast Antenna	153
Your Driving and the Road	155
Defensive Driving	156
Drunken Driving	156
Control of a Vehicle	159
Braking	159
Steering	161
Steering Tips	162
Passing	164
Loss of Control	165
Driving at Night	166
Driving in the Rain	167
City Driving	169
Freeway Driving	170
Hill and Mountain Roads	172
Winter Driving	174
Towing a Trailer	177
Problems on the Road	185
Hazard Warning Flasher	186
Other Warning Devices	187
Jumpstarting	187
Towing Your Vehicle	191
Engine Overheating	195
Engine Fan Noise	202
If a Tire Goes Flat	202
Changing a Flat Tire	203
Compact Spare Tire	216
If You’re Stuck: In Sand, Mud, Ice or Snow	217
Service and Appearance Care	219
Service	220
Fuel	221
Checking Things Under the Hood	225
Hood Release	225
Engine Oil	227
Engine Cover	233
Air Cleaner	237
Automatic Transmission Fluid	238
Rear Axle	242
All-Wheel Drive	242
Transfer Case	242
Front Axle	243
Engine Coolant	244
Power Steering Fluid	248
Windshield Washer Fluid	249
Brake Master Cylinder	250
Replacing Brake System Parts	253
Battery	253
Vehicle Storage	253
Fluid Leak Check	254
Bulb Replacement	254
Other Maintenance Items	259
Loading Your Vehicle	262
Tires	265
Appearance Care	272
Vehicle Identification Number	281
Service Parts Identification Label	283
Capacities and Specification Charts	286
Fuses and Circuit Breakers	290
Maintenance	295
A Word About Maintenance	296
Your Vehicle and the Environment	296
Scheduled Maintenance Services	297
Selecting The Proper Maintenance Schedule	297
Maintenance Schedule I	298
Maintenance Schedule II	300
Explanation of Scheduled Maintenance Services	301
Owner Checks and Services	304
At Least Once a Month	304
At Least Once a Year	304
Periodic Maintenance Inspections	306
Recommended Fluids & Lubricants	307
MaintenanceRecord	309
Service Station Checks	310
Customer Assistance Information	313
Customer Satisfaction Procedure	314
Customer Assistance for the Hearing or Speech Impaired (TDD)	315
GM Participation in BBB AUTO LINE - Alternative Dispute Resolution Program	315
Reporting Safety Defects To The United States Government	316
ReportingSafetyDefects To The Canadian Government	317
Reporting Safety Defects To General Motors	317
Roadside Assistance	318
Courtesy Transportation	319
Service Publications	319

Match case Limit results 1 per page

Then

replace

the

pressure

cap. At

any

time

during

this

procedure

coolant

begins

flow

out

of the

filler

neck,

reinstall

the

pressure

cap.

sure

the

arrows

the

pressure cap

line

up like

this.

Engine

Fan

Noise

This vehicle has a clutched engine cooling fan.

When

the clutch is engaged,

the

fan spins faster to

provide

air

cool

the

engine.

most

every

day

driving conditions the clutch is

not

engaged. This improves

fuel

economy

and reduces fan

noise.

Under

heavy

vehicle

loading,

trailer towing

and/or

high outside temperatures, the

fan

speed

increases

when

the

clutch

engages.

you

may

hear

increase

fan

noise. This is

normal

and

should

not

mistaken

the

transmission

slipping

or making extra shifts.

merely

the

cooling system

functioning

properly. The fan

will

slow

down

when

additional cooling is

not

required

and

the

clutch

disengages.

You may also hear

this

fan

noise

when

you

start the

engine.

will

away

as the

fan

clutch disengages.

Tire

Goes

Flat

It’s

unusual for

tire

“blowout” while

you’re driving, especially if

you

maintain

your

tires

properly.

air goes

out of

tire, it’s

much

likely

leak

out

slowly.

But

you should ever have a “blowout,” here are a

few

tips

about

what

expect

and

what

do:

a front tire fails, the

flat

tire

will

create

drag

that

pulls

the

vehicle

toward

that side. Take

your

foot

off

the

accelerator pedal

and grip the

steering wheel

firmly.Steer to

maintain

lane position, then

gently

brake to a

stop well out of the

traffic

lane.

rear blowout, particularly on a curve, acts

much

like a skid

and

may

require the

same correction you’d use

a skid. In

any rear

blowout,

remove

your foot from

the accelerator pedal.

Get

the

vehicle

under

control

steering

the

way

you

want

the

vehicle

go. It

may

very

bumpy

and

noisy,

but

you

can still steer.

Gently

brake

a stop, well

off the road

possible.

If a tire goes flat,

the

section

shows

how

use

your

jacking equipment

change a flat tire

safely.

5-18