check engine PONTIAC FIREBIRD 1998 Owner's Manual

If there seems to be no leak, with the engine on, check to
see if the electric engine cooling fans
are running. If the
engine is overheating, both fans should be running.
If
they aren’t, your vehicle needs service.
How to Add Coolant to the Coolant
Recovery Tank
If you haven’t found a problem yet, but the coolant level
isn’t at
FULL COLD add a 50150 mixture of clean water
(preferably distilled) and DEX-COOL@ engine coolant
at the coolant recovery tank. (See “Engine Coolant” in
the Index for more information.)
a CAUTION:
-1
Adding only plain water to your cooling system
can be dangerous. Plain water,
or some other
liquid like alcohol, can boil before the proper
coolant mixture will. Your vehicle’s coolant
warning system is set for the proper coolant
mixture. With plain water or the wrong mixture,
your engine could get too hot but you wouldn’t
get the overheat warning. Your engine could
catch
fire and you or others could be burned.
Use
a 50/50 mixture of clean water and
DEX-COOL@ coolant.
NOTICE:
In cold weather, water can freeze and crack the
engine, radiator, heater core and other parts.
Use the recommended coolant and the proper
coolant mixture.
5-19

Section 6 Service and Appearance Care
Here you will find information about the care of your vehicle. This section begins with service and fuel information,
and then it shows how to check important fluid and lubricant levels. There is also technical information about
your
vehicle, and a part devoted to its appearance care.
6-2
6-3
6-5
6-6
6-8
6-8
6-12
6-18
6-19
6-20
6-24
6-26
6-27
6-3 1
6-32
6-33
Service
Fuel
Fuels
in Foreign Countries
Filling
Your Tank
Filling a Portable Fuel Container Checking Things Under the Hood
Engine Oil
Air Cleaner
Air Filter Replacement
Automatic Transmission Fluid
Manual Transmission Fluid Hydraulic Clutch
Engine Coolant
Power Steering Fluid
Windshield Washer Fluid Brakes 6-37
6-38
6-44
6-53
6-56
6-56
6-57
6-59
6-60
6-6
1
6-62
6-62
6-68
6-68
6-70 Battery
Bulb
Replacement
Tires
Appearance Care
Care of Safety Belts
Cleaning Glass Surfaces
Cleaning the Outside
of Your Vehicle
Cleaning Aluminum
or Chrome Wheels
(If Equipped)
Underbody Maintenance
Appearance Care Materials Chart
Vehicle Identification Number (VIN)
Electrical System
Replacement Bulbs
Capacities and Specifications
Air Conditioning Refrigerants

You can be injured and your vehicle could be
damaged if you
try to do service work on a
vehicle without knowing enough about it.
0
0
Be sure you have sufficient knowledge,
experience, the proper replacement parts
and tools before you attempt any vehicle
maintenance task.
Be sure to use the proper nuts, bolts and
other fasteners. “English” and ‘5netric”
fasteners can be easily confused.
If you use
the wrong fasteners, parts can later break
or fall off. You could be hurt.
Adding Equipment to the Outside of
Your Vehicle
Things you might add to the outside of your vehicle can
affect the
airflow around it. This may cause wind noise
and affect windshield washer performance. Check with
your dealer before adding equipment to the outside
of
your vehicle.
Fuel
The 8th digit of your vehicle identification number
(VIN) shows the code letter for your engine. You will
find the VIN at the top left of your instrument panel.
(See “Vehicle Identification Number” in the Index.)
If you have the 3800 engine (VIN Code K), use regular
unleaded gasoline rated at
87 octane or higher.
If you have the
5.7L engine (VIN Code G), use
premium unleaded gasoline rated at
91 octane or
higher for best performance. You may use middle
grade or regular unleaded gasolines, but your vehicle
may not accelerate as well.
At a minimum, the gasoline you use should meet specifications ASTM
D48 14 in the United States
and CGSB
3.5-M93 in Canada. Improved gasoline
specifications have been developed by the American
Automobile Manufacturers Association (AAMA) for
better vehicle performance and engine protection.
Gasolines meeting the AAMA specification could
provide improved driveability
and emission control
system protection compared to other gasolines.
6-3

Be sure the posted octane for premium is at least 91 (at
least
89 for middle grade and 87 for regular). If the
octane
is less than 87, you may get a heavy knocking
noise when you drive. If it's bad enough, it can damage
your engine.
If you're using fuel rated at the recommended octane or
higher and you hear heavy knocking, your engine needs service. But don't
worry if you hear a little pinging
noise when you're accelerating or driving up a
hill.
That's normal, and you don't have to buy a higher
octane
fuel to get rid of pinging. It's the heavy, constant
knock that means you have a problem.
If your vehicle is certified to meet California Emission
Standards (indicated on the underhood emission control
label),
it is designed to operate on fuels that meet
California specifications. If such fuels are not available
in states adopting California emissions standards, your
vehicle will operate satisfactorily on fuels meeting
federal specifications, but emission control system performance
may be affected. The malfunction indicator
lamp on your instrument panel may turn on and/or
your vehicle may fail a smog-check test. If this occurs,
return to
your authorized Pontiac dealer for diagnosis
to determine the cause of failure. In the event it is
determined that
the cause of the condition is the type of
fuels used, repairs may not be covered by your warranty.
Some gasolines that are not reformulated for
low
emissions contain an octane-enhancing additive called
methylcyclopentadienyl manganese tricarbonyl (MMT);
ask your service station operator whether or not his fuel
contains
MMT. General Motors does not recommend the
use of such gasolines.
If fuels containing "'I' are used,
spark plug life may be reduced and your emission
control system performance may be affected. The
malfunction indicator lamp on your instrument panel
may
turn on. If this occurs, return to your authorized
Pontiac dealer for service.
6-4

To provide cleaner air, all gasolines in the United States
are now required to contain additives that will help
prevent deposits from forming in your engine and
fuel system, allowing your emission control system
to function properly. Therefore, you should not have
to add anything to the fuel. In addition, gasolines containing oxygenates, such as ethers and ethanol, and
reformulated gasolines may be available in your area to
help clean the air. General Motors recommends that
you
use these gasolines if they comply with the
specifications described earlier.
1 NOTICE:
~ ~~~
Your vehicle was not designed for fuel that
contains methanol. Don’t use it. It can corrode
metal parts in your fuel system and also damage
plastic and rubber parts. That damage wouldn’t
be covered under your warranty.
Fuels in Foreign Countries
If you plan on driving in another country outside the
United States or Canada, the proper fuel may be hard to
find. Never use leaded gasoline or any other fuel not
recommended in the previous text on fuel. Costly repairs
caused by use of improper fuel wouldn’t be covered by
your warranty.
To check on fuel availability, ask an auto club, or
contact a major oil company that does business in the
country where you’ll be driving.
You can also write us at the following address for
advice. Just tell us where you’re going and give your
Vehicle Identification Number (VIN).
General Motors Overseas Distribution Corporation
1908 Colonel Sam Drive
Oshawa, Ontario
L1H 8P7
6-5

Filling a Portable Fuel Container
Checking Things Under the Hood
A CAUTION:
Never fill a portable fuel container while it is in
your vehicle. Static electricity discharge from the
container can ignite the gasoline vapor. You can
be badly burned and your vehicle damaged
if this
occurs. To help avoid injury to you and others:
0 Dispense gasoline only into approved
containers.
0 Do not fill a container while it is inside a
vehicle, in a vehicle’s trunk, pickup bed or
on any surface other than the ground.
inside
of the fill opening before operating
the nozzle. Contact should be maintained
until the filling is complete.
0 Bring the fill nozzle in contact with the
0 Don’t smoke while pumping gasoline.
An electric fan under the hood can start up and
injure you even when the engine is not running.
Keep hands, clothing and tools away
from any
underhood electric fan.
Things that burn can get on hot engine parts and
start a fire. These include liquids like gasoline,
oil, coolant, brake fluid, windshield washer and
other fluids, and plastic or rubber.
You or others
could
be burned. Be careful not to drop or spill
things that will burn onto
a hot engine.

Before closing the hood, be sure all the filler caps are on.
Then just pull the hood down and close it firmly.
Engine Oil
LOW
OIL
If the LOW OIL light on
the instrument panel comes
on, it means you need to
check your engine oil
level right away.
For more
information, see
“Low
Oil Light” in the Index.
You should check your engine oil level regularly; this is
an added reminder.
It’s
a good idea to check your engine oil every time you
get fuel. In order to get an accurate reading, the oil must
be warm and the vehicle must be on level ground. The engine
oil dipstick is the yellow loop near
the
back of the engine.
Note: Do not check the
5.7L engine oil level after the
engine has sat overnight.
A higher than normal reading
might be obtained. Check oil level with the oil warm.
Shut
off the engine, wait a few minutes, and then
check the oil.
Turn
off the engine and give the oil a few minutes
to
drain back into the oil pan. If you don’t, the oil
dipstick might
not show the actual level.
6-12

If you have the 5.7L V8 engine (with the WS6 option),
your air cleaner will be located over the radiator near the
front of the engine.
To remove the filter, remove the screws (located on the
rear edge of the air cleaner), lift the
air cleaner and
remove the filter.
Automatic Transmission Fluid
When to Check and Change
A good time to check your automatic transmission fluid
level is when
the engine oil is changed.
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:
0 In heavy city traffic where the outside temperature
regularly reaches
90°F (32°C) or higher.
In hilly or mountainous terrain.
Uses such as high performance operation.
When doing frequent trailer towing.
0 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).
See “Scheduled Maintenance Services” in the Index.
6-20

How to Check
Because this operation can be a little difficult, you may
choose to have
this done at your Pontiac dealership
Service Department.
If you do it yourself, be sure to follow all the instructions
here, or you could get a false reading on the dipstick.
NOTICE:
Too much or too little fluid can damage your
transmission.
Too much can mean that some of
the fluid could come out and fall on hot engine
parts
or exhaust system parts, starting a fire. Be
sure to get an accurate reading if you check your transmission fluid.
Wait at least 30 minutes before checking the
transmission fluid level
if you have been driving:
When outside temperatures are above 90°F (32°C).
At high speed for quite a while.
In heavy traffic -- especially in hot weather.
While pulling a trailer.
To get the right reading, the fluid should be at
normal operating temperature, which
is 180°F to
200°F (82°C to 93°C). See “Checking Transmission
Fluid Hot” in
the Index.
Checking Transmission Fluid Hot
Get the vehicle warmed up by driving about 15 miles
(24 km) when outside temperatures are above 50°F
(10°C). If it’s colder than
50°F ( 10°C), drive the
vehicle in
DRIVE (D) until the engine temperature
gage moves and then remains steady for
10 minutes.
Then follow
the hot check procedures.

Checking Transmission Fluid Cold
A cold check is made after the vehicle has been sitting
for eight
hours or more with the engine off and is used
only as a reference. Let the engine run at idle for
five
minutes if outside temperatures are 50°F (1 0°C) or
more. If it's colder than 50°F (lO°C), you may have to
idle the engine longer. Should the fluid level be low
during a cold check,
you must perform a hot check
before adding fluid. This will give
you a more accurate
reading
of the fluid level.
Checking the Fluid Hot or Cold
0 Park your vehicle on a level place. Keep the
0 With the parking brake applied, place the shift lever
0 With your foot on the brake pedal, move the shift
engine
running.
in
PARK (P).
lever through each gear range, pausing for about
three seconds in each range, Then, position the shift
lever
in PARK (P).
Let the engine run at idle for three minutes or more. ~nen,
without shutting
off the engine, follow these steps:
k 'rll
3800 V6 Engine Transmission Dipstick