Pontiac Sunbird Owner's Manual page 264

ITEM
NO.
4
5
6
SERVICE
Engine Accessory Drive Belt(s) Inspection*-
Inspect the belt(s) for cracks, fraying, wear and
proper tension. Replace as needed.
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 the
Index under Coolant. 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.
Transaxle Service-For manual transaxles, fluid
doesn't require changing.
For automatic transaxles, change both the fluid and
filter every l5,OOO miles (25 000
km)
if the vehicle
is mainly driven under one or more of these
conditions:
ITEM
NO.
7
8
9
SERVICE
In heavy city traffic where the outside temperature
In hilly or mountainous terrain.
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 the Index under
Replacement Parts.
Spark Plug Wire Inspection* *-Inspect for
burns, cracks or other damage. Check the boot fit
at the coils and at the spark plugs. Replace wires as
needed.
Exhaust
Gas Recirculation (EGR) System
Inspection (2.0L
L4
Code H engine)*+-Conduct
the EGR system service as described in the service
manual. To purchase a service manual, see the
Index under Sewice Publications.
regularly reaches 90°F (32°C) or higher.
service.
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