1993 BUICK SKYLARK oil change

Explanation of Scheduled Maintenance equipped with grease fittings, lubricate the
Services suspension and steering linkage.
Below are explanations
of the services listed in $chediie ‘ ‘ 3. Throttle Body Mounting; Bolt Torque (3.3L Code . , I:
I and Schedule 11.
The proper fluids and lubricants to use are listed in
Section
D. Make sure whoever services your vehicle
uses these. All parts should be replaced and all
necessary repairs done before you or anyone else drives
the vehicle.
NOTE:
To determine your engine’s displacement and
code, see “Engine 1dentific.ation” in the Index.
1. Engine Oil and Filter Change* -- Always use SG
Energy Conserving
I1 oils of proper viscosity. The
“SG, designation may be shown alone or in
combination with others, such as “SG/CC”,
“SG/CD” or “SF,
SG, CC,” etc. To determine the
preferred viscosity for your vehicle’s engine (e.g.,
SAE 5W-30 or SAE 10W-30), see “Engine Oil” in
the Index.
2. Chassis Lubrication -- Lubricate the transaxle shift
linkage, parking brake cable guides, underbody
contact points and linkage. If your vehicle is
An Emission Control Service.
N engine only)* -- Che& the torque of the
mounting bolts and/or nuts.
proper wear and maximum tire life, rotate your tires
following the instructions in this manual. See “Tires,
Inspection
& Rotation” in the Index, Check the tires
for uneven wear or damage. If you see irregular or
premature wear, check
the wheel alignment. Check
for damaged wheels also.
5. Engine Accessory Drive Belt@) Inspection --
Inspect the belt(s) for cracks, fraying, wear and
proper tension. Replace as needed.
6. Cooling System Service* -- Drain, flush and refill
the system with new or approved recycled coolant
conforming to GM Specification 1825M. Keep
coolant at the proper mixture as specified. See
“Coolant” in the Index. This provides proper freeze
protection, corrosion inhibitor level and engine operating temperature.
4. Tire and Wheel Rotation and Inspection -- For
The U.S. Environmental Protection Agency has determined that the failure to perform this maintenance item will not nullify the emission war\
ranty or limit recall liability prior to the completion of vehicle
useful life. General Motors, however, urges that all recommended maintenance services be performed at the indicated i\
ntervals and the maintenance be recorded in “Section EMaintenance Record”.
274

Inspect hoses and replace if they are cracked,
swollen or deteriorated. Tighten screw-type hose
clamps. Clean the outside of the~radiator and air
conditioning condenser. Wash the pressure cap and
neck.
To help ensure proper operation, we recommend a
pressure test
of both the cooling system and the
pressure cap.
7. Transaxle 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:
0 In heavy city traffic where the outside
temperature regularly reaches
90 F (32 C) or
higher.
0 In hilly or mountainous terrain.
When doing frequent trailer towing. (With some
models, you shouldn’t ever tow a trailer. See
“Towing a Trailer” in the Index.)
Uses such as found in taxi, police car or delivery
service. If you
do’ not use your vehicle under any of these
conditions, change both the fluid and filter every
100,000 miles (160 000 km).
8. Spark Plug Replacement* -- Replace spark plugs
with the proper type. See “Specifications Chart” in
the Index.
9. Spark Plug Wire Inspection (3.3L Code N engine
only)*?
-- Inspect for burns, cracks or other
damage. Check the boot fit at the coils and at the
spark plugs. Replace wires as needed.
10. Air Cleaner Filter Replacement* -- Replace every
30,000 miles
(50 000 km) or more often under dusty
conditions. Ask your dealer for the proper
replacement intervals for your driving conditions.
11. Fuel Tank, Cap and Lines Inspection”? -- Inspect
fuel
tank, cap and lines (including fuel rails and
injection assembly) for damage or leaks. Inspect fuel
cap gasket for an even filler neck imprint or any
damage. Replace parts as needed. Periodic
replacement of the fuel filter is not required.
* An Emission Control Service.
The
U.S. Environmental Protection Agency has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of vehicle
useful life. General Motors, however, urges that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded in “Section EMaintenance Record”.

Jacking up the Car ............................ .. 204
Jump Starting
................................... 188
Keys
........................................... 62
Keyless Entry System. Remote
...................... 67
Kilometer Indicator
.............................. 108 Label.
Service Parts Identification
.................. 257
Lane Change Indicator
............................. 89
LapBelt
........................................ 42
Lap-Shoulder Belt Usage by Children
................. 58
Latches. Front Seatback
............................ 19
Leaving Your Vehicle
.............................. 83
Light. Safety Belt ................................. 28
Light. Turn Signal Indicator
......................... 89
Light Bulbs. Replaceable
.......................... 262
Lighter. Cigarette
................................ 106
Lights Daytime Running
............................. 100
Interior
...................................... 99
Interior Delay
................................ 102
Operation
..................................... 99
Reading
..................................... 101
Traffic ...................................... 143
Lights “On” Warning
............................. 100
Loading Your Vehicle
............................ 240
Locks. Automatic Door
............................ 65
Locks. Door
..................................... 63
Locks. Rear Door Security
.......................... 69
Long Distance Driving
............................ 168
Loss of Control
................................. 158
Low Coolant Warning Light
....................... 113
Low Oil Pressure Warning Gage
.................... 114
298

.... +,..
Maintenance Inspections
.................................. 279
Record
...................................... 282
Schedule
.................................... 265
Underbody
.................................. 255
Malfunction Indicator Lamp
....................... 1 13
Manual Lumbar Support
........................... 15
Manualseat
..................................... 14
Manual Seat. Four Way
............................ 15
Markings. Pavement
............................. 144
Master Cylinder. Brake
........................... 236
Methanol In Gasoline
............................. 217
Mirrors
........................................ 102
Mirrors. Convex Outside
.......................... 104
Mirrors. Visor Vanity
............................. 104
Mist. Driving in
................................. 164
Mountain Driving
................................ 170
MTBE in Gasoline
............................... 2 17
. Mobile Telephone. Adding a ....................... 123 Octane
Required for Your Car
..................... 217
Odometer
...................................... 108
Odometer. Trip
.................................. 108
Off (Ignition Key Position)
......................... 73
Off-Road Recovery
.............................. 156
Oil. Engine
..................................... 223
Oil Pressure Warning Light
........................ 114
Oil. Change Your Engine
.......................... 223
Operation in Foreign Countries
..................... 218
Operation
of Lights ............................... 90
Outside Mirrors ................................. 103
Overheated Engine
............................... 197
Owner Checks and Services
........................ 276
P (Park) Position ................................. 77
Paint Spotting
................................... 255
Park. Shifting Into
................................ 81
Park. Shifting Out of
........................... 77. 83
Parking Brake
.................................... 80
Parking on Hills
................................. 172
N (Neutral) Gear Position ......................... 78 Parking Over Things That Burn ...................... 84
Net. Convenience
................................ 104 Passing ........................................ 156
New Vehicle Break-In
............................. 71 Pavement Markings .............................. 144
NightDriving
................................... 159 PedalTravel. Brake .............................. 153
Night Vision
.................................... 160 Perception Time in Braking ........................ 149
Notices About Damage
............................ 11 Periodic Maintenance Inspections ................... 279
Number. Vehicle Identification
..................... 257 Polishing and Waxing ............................ 253