1993 BUICK ROADMASTER engine oil

Scheduled Maintenance Services Schedule I
Follow Schedule'I if your car is MAINLY driven under one or more of the following conditions:
0 When most trips are less than 4 miles (6 kilometers).
e -When most trips are' less than 10 miles (16 kilometers) and outside temperatures remain below freezing.
.e When mosttrips include extended idling and/oi- frequent low-speed operation as \
in stop-and-go traffic.
e Towing a trailer.*?
0 When operating in dusty areas.
Schedule I should also be followed if the car is used for delivery service, police, taxi\
or other commercial applications.
TO~BE SERVICED WHEN TO PERFORM (See Explanation of
Scheduled Maintenance Miles (kilometers) or
Services Following Months, Whichever
Schedules I and 11j Occurs First
I 1. Engine Oil & Oil Filter Every 3 000 mi. (5000 km)
Change* or 3 months.
I 2. Chassis Lubrication I Every other oil change
I
3. Throttle Body Mounting At 6 OQd)..mi,~10~000 km)
Bolt Torque*
I
At 6,000 mi. (10 000 km) and
km) or as necessary
4. Tire 8L Inspection ' then every 15 000 mi. (25 000 Rotation
5. Engine Accessory Drive
Belt(s) Inspection" Every
30 000 mi. (50 000 km) or 24 months.
MILES (000) I
LO 10 15
0
0
0
20 25
00
.
KILOMETER;
35 40 45
000
0
0
000)
50 55 60 65
000.
0 a
0
0
302

Sched.uled Maintenante Services Schedule I1
Follow Schedule. I1 ONLY if none of the driving conditions specified in Schedule I apply.
, TO BE SERVICED
(See Explanation of
Scheduled Maintenance Services Following Schedules
I and 11)
Item No.
I. Engine Oil Change"
Oil Filter Change"
2. Chassis Lubrication
3. Throttle Body Mounting Bolt Torque*
4. Tire & Wheel Inspection .& Rotation
5. Engine Accessory Drive Belt(s) Inspection*
6. Cooling System Service"
7. Front Wheel Bearing Repack.
WHEN TO PERFORM
Miles (kilometers)
or
Months, Whichever
Occurs First
, ..
I MILE,
KILOMEl
12.5 I 25 I 37.5
Every 7 500 mi. (12 500 km) or 12 mos. a 0 0
At first and then every other oil change a 0
Every 7 500 mi. (12 500 km) or 12 mos. 0 a 0
At 7 500 mi. (12.500 km) only 0
At 7 500 mi. (12 500 km) and then every
15 000 mi. (25 000 km) or as necessary Io
-~
Every 30 000 mi. (50 000 km) or 24 mos.
t ~~ .. Every 30 000 mi. (50 '000 km) ' ' '
; (000)
30 I 37.5 I 45
304

At Each Fuel Fill.
(It is important for you ‘or a service station. attendant
to perform these underhood
.ch~ecks ,,at each fuel fill.)
CHECK OR
SERVICE
Engine Oil
Level
Engine Coolant
Level
Winashield Washer Fluid
Level
.
WHAT TO DO .
Check the engine oil level and add
the. proper
oil. if necessary. See
Tngine Oil” in the Index for further
details.
Check the engine coolant level
In thy
coolant recovery tank and add the
’ proper coolant mix if necessary., See. “Coolant” in the Index for further
details.
Check the windshield washer fluid
level
in ‘the windshield washer tank
and add the proper fluid
if necessary.
See “Windshield Washer Fluid” in
the Index for ‘further details.
,, .,
At Least Once a Month
CHECK OR
‘SERVICE
Tire Inflation
WHAT TO DO ;
Check tire .inflation. Make sure they
are inflated to.the pressures specified
on the Tire-Loading Information
label located on, the rear edge
.of the
,driver’s door. See “Tires”
in the
Index for further details.
At Least Once a Year
s
CHECK-OR
I ’ SERVICE
Key Lock
I Cylinders
WHAT TO DO
Lubricate the key lock cylinders with
the. lubricant specified in Section D.
‘Lubricate all body door hinges. Also
lubricate all
hinges and. latches,
including those for, the hood, glove
box door and console .door. Section
D tells you what to use.
..
309

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

I USAGE
Chassis
Lubrication
Front Wheel Bearings
USAGE
Rear Axle (Standard
Differential)
FLUID/LUBRICANT
Chassis lubricant meeting
requirements of NLGI Grade
2,
Category LB. or GC-LB (GM Part
No. 1052497 or equivalent).
Wheel bearing lubricant meeting
requirements of NLGI Grade
2,
Category GC or GC-LB (GM Part
No. 1051344 or equivalent).
Axle Lubricant
(GM Part No.
1052271) or SAE 8OW-90 %L-5
Gear Lubricant.
Axle Lubricant (GM Part
No.
1052271) or SAE 80W-90 GL-5
Gear Lubricant, and Limited-Slip
DifferentialLubricant Additive (GM
Part
No. 1052358) or equivalent
where required. See “Rear Axle” in
the .Index.
GM Optikleen@ Washer Solvent
(GM Part No. 10515.15) or
equivalent.
FLUIDlLUBRICANT
Rear Axle (Limited-Slip
Differential)
Windshield
Washer Solvent Hood Latch
Assembly
a. Pivots and Spring
Anchor
b. Release Pawl
Hood and Door
Hinges
Fuel Filler Door Hinge, Rear
.Compartment
Lid Hinges,
Wagon Tailgate
Hinge, Rear Folding Seat
~~
Weatherstrips a. Engine oil.
b. Chassis lubricant meeting
requirements
of NLGI Grade 2,
Category LB ‘or GC-LB (GM Part
No.
12346003 or equivalent).
Engine oil or Lubriplate Lubricant
(GM Part No.
1050109).
Engine oil ox: Lubriplate Lubricatn
(GM’Part No.
1050109).
Dielectric Silicone Grease (GM Part
No. 12345579 or equivalent).
See “Specifications Chart” in the Index for
recommended replacement filters, valves and spark
plugs.
315

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