1998 Pontiac Firebird Owner's Manual - Page 353
1998 Pontiac Firebird Manual
Page 353 highlights
Long Tripmighway Maintenance Schedule 67,500 Miles (I12 500 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Rotate tires.See "Tire Inspection and Rotation" in the Indexfor proper rotation pattern and additional information. (See footnote +.) I DATE I 75,000 Miles (I25 000 km) 0 Change engine oil and filter (or every12 months, whichever occurs first). An Emission Control Service. 0 Change automatic transmission fluid and filter the vehicle is mainly driven if under oneor 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. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. I f you do not use your vehicle underany of these conditions, change the fluid andfilter every 50,000 miles (83 000 km). 0 Rotate tires. See "Tire Inspection and Rotation"in the Index for proper rotation pattern and additional information. (See footnote +.) DATE 7-28