1993 BUICK ROADMASTER brake fluid

To check the fluid hot or cold:
0 Park your vehicle on a level place.
Place the shift.lever in “P” (Park) with the parking
brake applied.
0 With your foot on the brake pedal, move the shift
lever through each gear range, pausing for about 3
seconds in each range. Then, position the shift lever
in
“P” (Park).
Let the engine run at idle for 3 minutes or more.
Then, without shutting
off the enpine, follow these
steps:
1. Pull out the dipstick and wipe it with a clean rag or
paper towel.
2. Push it back in all the way, wait 3 seconds and then
pull it back out again.
3. Check both sides of the dipstick, and read the lower
level. The fluid level must be in the
COLD area for st
cold check or in the HOT area or cross-hatched area
for
a hot check.
4. If the fluid level is where it should be, push the
dipstick back in all the way.
255

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