Page 323 of 366

6-71
Firing Order
3800 V6 1
-6-5-4-3-2 . . . . . . . . . . . . . . . . . . . . . . . . .
5.7L V8 1
-8-7-2-6-5-4-3 . . . . . . . . . . . . . . . . . . . . . .
Thermostat Temperature Specification
3800 V6 195F (91C) . . . . . . . . . . . . . . . . . . . . . . . .
5.7L V8 180F (82C) . . . . . . . . . . . . . . . . . . . . . . . .
Normal Maintenance
Replacement Parts
Engine Air Cleaner/FilterA917C* . . . . . . . . . . . . . .
Battery75
-60* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Oil Filter
3800 V6 PF47*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.7L V8 PF44*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Filter
3800 V6 G627*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.7L V8 GF578*. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PCV Valve
3800 V6 CV892C*. . . . . . . . . . . . . . . . . . . . . . . . . . .
5.7L V8 CV948C*. . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator CapRC24* . . . . . . . . . . . . . . . . . . . . . . . . . Spark Plug
3800 V6 ´41
-921 (0.060 inch Gap)* . . . . . . . . . . . . . .
5.7L V8 ´PTJ16R15 (0.060 inch Gap). . . . . . . . . . . .
Denso Type Number
Windshield Wiper Blade Replacement
Type Hook. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Length 24.0 inches (60.3 cm). . . . . . . . . . . . . . . . . . .
*ACDelco
part number.
Vehicle Dimensions
Length
Firebird/Formula 193.3 inches (491.1 cm). . . . . . . . .
Trans Am/GT 193.7 inches (491.9 cm). . . . . . . . . . . .
Width74.4 inches (189.0 cm) . . . . . . . . . . . . . . . . . . .
Height
Coupe 52.0 inches (132.2 cm). . . . . . . . . . . . . . . . . . .
Convertible
Firebird/Formula 52.7 inches (134.0 cm). . . . . . . . .
Trans AM/GT 52.4 inches (133.1 cm). . . . . . . . . . .
Wheelbase101.1 inches (256.6 cm) . . . . . . . . . . . . . .
Front Tread 60.7 inches (154.2 cm). . . . . . . . . . . . . . .
Rear Tread 60.6 inches (154.0 cm). . . . . . . . . . . . . . .
Page 332 of 366

Scheduled Maintenance
7-9
7,500 Miles (12 500 km)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
15,000 Miles (25 000 km)
Inspect engine air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary.
An Emission Control Service. (See footnote .)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly
reaches 90F (32C) or higher.
± In hilly or mountainous terrain.
± When doing frequent trailer towing.
± Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and filter every 50,000 miles (83 000 km).
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
Page 333 of 366
Scheduled Maintenance
7-10
22,500 Miles (37 500 km)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
30,000 Miles (50 000 km)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly
reaches 90F (32C) or higher.
± In hilly or mountainous terrain.
± When doing frequent trailer towing.
± Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and filter every 50,000 miles (83 000 km).
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
Replace engine air cleaner filter.
An Emission Control Service.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
Page 334 of 366

Scheduled Maintenance
7-11
37,500 Miles (62 500 km)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
45,000 Miles (75 000 km)
Inspect engine air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary.
An Emission Control Service. (See footnote .)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly
reaches 90F (32C) or higher.
± In hilly or mountainous terrain.
± When doing frequent trailer towing.
± Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and filter every 50,000 miles (83 000 km).
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
Page 336 of 366
Scheduled Maintenance
7-13
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
Inspect engine accessory drive belt.
An Emission Control Service.
Replace engine air cleaner filter.
An Emission Control Service.
67,500 Miles (112 500 km)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
75,000 Miles (125 000 km)
Inspect engine air cleaner filter if you are driving in dusty conditions.
Replace filter if necessary.
An Emission Control Service. (See footnote .)
(Continued)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
Page 338 of 366
Scheduled Maintenance
7-15
90,000 Miles (150 000 km)
Change automatic transmission fluid and filter if the vehicle is mainly driven
under one or more of these conditions:
± In heavy city traffic where the outside temperature regularly
reaches 90F (32C) or higher.
± In hilly or mountainous terrain.
± When doing frequent trailer towing.
± Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and filter every 50,000 miles (83 000 km).
Replace engine air cleaner filter.
An Emission Control Service.
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
97,500 Miles (162 500 km)
Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE