Buick RIVIERA 1993 Manual page 279

TO BE SERVICED
(See Explanation of
Scheduled Maintenance
Services Following
Schedules I and 11)
Item No.
8. Spark Plug Replacement*
9. Spark Plug Wire Inspection*T
10. Air Cleaner Filter Replacement*
11. Fuel Tank, Cap
&
Lines Inspection*?
WHEN TO PERFORM
I
MILES (000)
Miles (kilometers) or
Months, Whichever
Occurs First
I
, ,
7.5
45 37.5 30 22.5 15
KILOMETERS (000)
0
0
Every 30 000 mi. (50 000 km)
0
0
I
The services shown in this schedule up to 45 000 miles (75 000 km) should be performed after 45 000 miles at the same
intervals.
I
*
An Emission Control Service.
T
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 E:Maintenance
Record".
277