Pontiac 1993 Sunbird Owner's Manual page 206

transaxles, 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.
In hilly or mountainous terrain.
Uses such as found in taxi, police
If you do not use your vehicle under
any of these conditions, change both
the fluid and filter every 100,000
miles (166 000 lm) .
Replace spark plugs with the proper
type. See Replacement Parts in the
Index.
car or delivery service.
7.
Spark Plug Replacement" -
8.
Spark Plug Wire 1nspection"t
-
Inspect for burns, cracks or other
damage. Check the boot fit at the
coils and at the spark plugs. Replace
wires as needed.
9. Exhaust Gas Recirculation (EGR)
System Inspection ( 2 . 0 L Code H
engine only)*t
-
Conduct the EGR
system service as described in the
service manual. To purchase a service
manual, see Service Publications in
the Index.
IO. A i r Cleaner Filter
Replacement*
-
Replace every
30,000 miles (50 000
k m )
or more
often under dusty conditions. Ask
your dealer for the proper
replacement intervals for your
driving conditions.
1 1.
Fuel Tank, Cap and Lines
1nspection"t
-
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.
NOTE: To determine your engine's
displacement and code, see Engine
Identification in the Index.
*
=
An
Emission Control Service.
f
=
The U S . Environmental Protection Agency
or the California A i r 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.