brake BUICK ROADMASTER 1993 Owner's Guide

7.
8.
To help ensure-proper operation, we recommena a
pressure test of both’the cooling system and the
pressure cap. If you do not use your vehicle under any of these
conditions, change both the fluid and filter every
100,000 miles (1 60 000 km).
Front Wheel Bearing Repack - When your 9. Spark Plug Replacement* - Replace spark plugs
vehicle is used in such service as police work, as a with the proper type. See “Specifications Chart.’’ in
taxi or
in door-to-door delivery, clean and repackthe the Index.
front wheel bearings at each brake relining or
15,000 Spark plug Wire Inspection*? - Inspect for
miles (25 000 km), whichever comes first. If you
don’t use your vehicle in such service, clean
and
repack the bearings at each brake relining or 30,000 -
miles (50 000 km) whichever comes first. burns, cracks .or other damage. Check the boot fit
at
the distributor and at the spark plugs. Replace wires
as. needed.
Transmission Service - Change both the fluid and
filter every
15,000 miles (25 000 km) if the vehicle
is mainly driven under one or ‘more
of these
conditions:
In heayy city traffic where the outside
temperature regularly reaches
‘90 OF (32 C) or
higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police car or delivery
service.
11. Exhaust Gas Recirculation (EGR) System
Inspection*?
- Conduct the EGR system service
as described in the service manual.
To purchase a
service manual, see “Service Publications” in the
Index.
12. Air Cleaner Filter Replacement* - Replace every
30,000 miles (50 000 km) or more ofkn under dusty
conditions. Ask your dealer for the proper
replacement intervals for your driving conditions.
307
I

INSPECTION
OR SERVICE
Rear. Axle
Service
WHAT SHOULD BE DONE
Check the gear lubricant.leve1 in’ the
rear axle and add if needed. See
“Rear Axle” in the Index. A fluid
loss in
this system may indicate a
problem. Check the system and
repair it if needed. If your vehicle is
used- to pull a trailer, have the rear
,axle gear .lubricant changed every
7,500 mile$ (12 500 kin).
.. .
INSPECTION
OR SERVICE
Brake System
Irispection.
313
!

Section D: Recommended Fluids and
Lubricants
NOTE: Fluids and lubricants identified below by name,
part
number or specification may be obtained from your
GM dealer.:
USAGE
Engine .Oil
Engine Coolant
.-.
. , ’.,
FLUID/LUBRICANT
GM Goodwrench Motor Oil or
equivalent for
API service SG
Energy Conserving I1 oils of the
proper viscosity. The
“SG”
designation may be shown alone or
in combination with others, such as
“SF,SG,CC,” etc,
To determine the
preferred viscosity for your vehicle’s engine, see “Engine Oil” in the
Index.
~‘SGfCC,” ‘%G/CD,” or
50/50 mixture of water (preferably
distilled) and goad quality ethylene
glycol base antifreeze (GM
Part No.
1052753 or equivalent) conforming
to GM Specification 1825M or
.approved recycled coolant conforming to
GM specification
1825M.
USAGE
Hydraulic Brake
System
I. ..
Power Steering
System
Automatic
Transmission
Key Lock
Cylinders
Automatic
Transmission
Shift Linkage
FLUIDILUBRICANT. .
Delco Supreme ll@ Brake Fluid
(GM Part No. 1052535) or
equivalent DOT3 brake fluid.
Chassis lubricant. meeting
requirements
of NLGI Grade 2,
Category LB or GC-LB (GM Part
No. ,1052497 or equivalent).
GM Hydraulic Power Steering Fluid
(GM Part No. 1052884) or
equivalent. ,*
DEXRON~ IIE Automatic
Transmission Fluid
(CM Part No.
-12345881).
Lubricate with Multi-Purpose Lubricant
(GM Part No. 12345120),
synthetic SAE 5W-30 engine oil or
silicone lubricant (GM Part No.
1052276 or 1052277).
Chassis lubricant . meeting
requirements
of NLGI Grade 2,
Category LB or GC-LB (GM Part
No. 1052497 or equivalent).
314

Acc (Ignition Key Position) ........................ 74
Adding Brake Fluid
.................................. 262
Coolant
.............................. 2 19.222. 257
Electrical Equipment
.......................... 287
Engineoil
................................... 249
Power Steering Fluid
.......................... 260
Transmission Fluid ............................ 254
Windshield Washer Fluid
....................... 261
Additives, Engine Oil
............................. 251
Adjustment, Brake
............................... 169
Adult Safety Belt Usage
............................ 27
AirBag
.......................................... 35
Aircleaner
...................................... 253
Air Conditioner
............................. 127, 132
Air Outlets
..................................... 126
Alcohol, Driving Under the Influence of
.............. 160
Alcohol in Gasoline ..................... ........ 243
Aluminum Wheels, Cleaning
....................... 284
AM Radio Reception
............................. 134
AM Stereo Radio Reception
....................... 135
Antenna Care
................................... 149
Antifreeze
...................................... 257
Antilock Brakes
.................................. 166
Antilock Brake System Warning Light
........... 121, 166
...
Part 9 Index
Anti-Theft Tips ................................... 72
Anti-Theft Feature. Delco
LOC I1 ..................... 147
Appearance Care
................................ 249
Appearance Care and Materials
..................... 286
Armrest. Storage
................................ 112
Ashtrays ........................................ 110
Assist Handles
.............................. 102. 113
Audio Systems
.................................. 134
Automatic Air Conditioning System
................. 129
Automatic Door Locks
............................. 64
Automatic Overdrive
.............................. 79
Automatic Pull-Down Feature
....................... 65
Automatic Transmission
........................... 78
Automatic Transmission Fluid
...................... 254
Automatic Transmission Torque Lock
................ 190
Axle. Rear
..................................... 256
Baby. Holding a
................................. 46
Battery
........................................ 264
Battery Cables. Starting With
....................... 206
Battery Warning Light ............................ 118
Blizzard. If You’re Caught In A
..................... 193
BloodAlcoholLevel
............................. 162
“Blowout”. Tire
................................. 224

.Gasoline ....................................... 243
Gasoline Tank. Filling Your
........................ 245
Gate Ajar Light
................................. 124
Gear Positions
................................... 78
Glass Cleaning
.................................. 282
Graphic Symbols
................................. 12
Guard Against Theft
.............................. 72
Guide en Francais
................................. 2
Halogen
Bulbs ................................. 265
Hazard Warning Flasher ........................... 204
Haze. Driving in ................................. 180
Headlamp Bulb Replacement
....................... 265
Headlight High-Low Beam Switch
. : ................. 90
Head Restraints ................................... 18
Heater
..................................... 128.. '13 1
Highway Hypnosis ............................... 185
Hill and Mountain Roads
.......................... 186
Hills. Parking on
.............. : ................. 188
Hitches. Trailer
.................................. 198
Holding
a Baby in Your Car ......................... 46
Hood. Opening the
............................... 247
Horn
........................................... 88
Hot Coolant Warning Light
........................ 122
Hot Engine. Safety Warnings About
................. 216
Hydroplaning
................................... 179
Ice. Driving
on ................................. 192
Identification Label. Service Parts
................... 287
Identification Number. Vehicle
..................... 287
Hearing Impaired. Customer Assistance
for
........... 320
High Speed Shifting When Your Engine
is Running ...... 79 Idling
Your Engine
................................ 86
If You're Stack: In Sand. Mud. Ice or Snow ........... 239
Ignition Key Positions
............................. 74
Indicator. Turn Signal
.............................. 89
Indicators. Disc Brake Wear
....................... 168
Infant Restraint
.................................. -47
Inflation. Tire
................................... 272
Inside Mirror
.................................... 102
Inspection. Tire
................................. 273
Instrument Panel
................................ 113
Interior Cleaning
............ *- .................. -280
Interlock. Brake-Transmission
Shift ............... 78. 84
Introduction. How
to Use this Manual ................. 10
Jack. Tire ..................................... 224
Jacking Up the Car
............................... 232
Jump Starting
................................... 206
Keys
.......................................... 62
Keyless Entry System. Remote
...................... 69
Kilometer Indicator
.............................. 114
Label. Service Parts Identification
.................. 287'
Lane Change Indicator
............................. 89
Lap-Shoulder Belt Usage by Children
.................. 56
Leaving Your Vehicle ............................ 65. 84
Light Bulbs. Replaceable
........................... 294
Light. Safety Belt
.............................. 21. 27
Light. Turn Signal Indicator
......................... 89
Indicators. Warning Lights. Gages
& ................. 114
LapBelt
........................................ 41

Starting Your Car if the Battery is"Dead" ....... : ..... 206
Steam From Hot (Overheated) Engine
................ 216
Steering
....................................... 169
Steering Tips
................................... 169
Steering Wheel. Tilt
............................... 88
Steering Without Power Assist
..................... 169
Steireo Sound Systems
............................ 134
Storage Armrest
................................. 11 1
Storage Compartment. Wagon
....................... 68
StorageTray
.................................... 112
Storing Your Car
................................ 264
Stuck. If Your Car is
.............................. 239
Steering in Emergencies
... : ....................... 170
Stuck. If Your Ignition Key is
....................... 75
Subscribing to hick Service Publications
............ 323
Supplemental Inflatable Restraint System
(SIR) ......... 35
Supplemental Inflatable Restraint System Light
......... 36
Symbols on Road Signs
........................... ' 156
Symbols on Your Car
.............................. 12
Table of Contents
.................................. 9
Tachometer
..................................... 119
Tamper-Resistant Odometer
........................ 114
Tailgate Operation
.............................. : . 66
Tailgate Release
.................................. 66
Taillamp
.Bulb Replacement ........................ 267
TapePlayerCare
................................ 148
Temperature, Engine Coolant Warning Light
.......... 122
Theft
........................................... 7 2
Thermostat
..................................... 259
Third Gear, When
to Use ............................. 80
Third Seatback Operation .......................... 19
Tilt Steering Wheel
................................ 88
Time. Setting the ..................... 137.139.142. 145
Tire Balance
.................................... 277
Tire Chains
..................................... 278
Tire. Flat
....................................... 224
Tire Inflation
.................................... 272
Tire Inspection and Rotation
.................. i .... 273
Tire Quality Grading
............................. 275
Tires
.......................................... 271 .
Tires and Winter Driving .......................... 191 I
Tires. When to Replace ............................ 274
Tires. White Sidewall. Cleaning
.................... '284
Topstrap
........................................ 48
Torn Safety Belts ........................ 1 ........ 59
Torque Lock (Automatic Transmission)
.............. 190
Towing a Trailer
................................. 1.95
Towing Your'Car
................................ 212
Trademarks. GM .................................. 2
Traffic Lights
................................... 157
Traffic Officer
.................................. 159 ~
Trailer Brakes ................................... 198
Trailer Tbwing
.................................... 195
Tailgate Remote Release
........................... 65
Transmission. Automatic
........................... 78
Transmission Fhid
...... , ......................... 254
Trip Odometer
.................................. 114
Turn Signal and Headlight Beam Lever ........ i ....... 88
Turn Signal and Lane Change Indicator ............... 89
Turn Signal Reminder ............................. 90
Trunk Pull-Down Feature
...................... 1 .... 65
Trunk Release
................................... 65
Twilight Sentinel
................................. 99
'lhisted Safety Belts
............................... 34
Two Children Wearing the Same Safety Belt
............ 56
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