Buick 1994 LeSabre Owner's Manual page 277

5. 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.
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.
6. 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:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
0
In hilly or mountainous terrain.
0
When doing frequent trailer towing.
7.
8.
9.
Uses such as found in taxi, police car or delivery
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).
Spark Plug Replacement* -- Replace spark plugs
with the proper type. See "Specifications Chart" in
the Index.
Spark Plug Wire inspection*^
-- Inspect for burns,
cracks or other damage. Check the boot fit at the
distributor and at the spark plugs. Replace wires as
needed.
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.
service.
10. 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.
f-
The
U.S. Environmental Protection Agency or the California Air Resources Board 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 E:Maintenance Record".
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