check engine CHEVROLET CAMARO 1994 4.G Workshop Manual

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Fuses and Circuit
Breakers
The wiring circuits in your vehicle are
protected from short circuits by a
combination of fuses, circuit breakers,
and fusible thermal links in the wiring
itself. This greatly reduces the chance of
fires caused by electrical problems.
There are two fuse centers on your
vehicle. One is in the left side of your
instrument panel. The other
is in the engine compartment.
Open the cover on either of the boxes to
expose
the fuses.
Look at the silver-colored band inside
the fuse.
If the band is broken or melted,
replace the fuse. Be sure you replace a
bad fuse
with a new one of the correct
size.
If you ever have a problem on the road
and don’t have a spare fuse, you can
borrow one of the correct value. Just pick
some feature of your vehicle that you car
get along without
- like the radio or
cigarette lighter
- and use its fuse, if it i
the size you need. Replace it as soon as
you can.
Headlights
The headlight wiring is protected by a
circuit breaker. An electrical overload
will cause the lights to go on and off,
or
in some cases to remain off. If this
happens, have your headlight wiring
checked right away.
Windshield Wipers
The windshield wiper motor is protected
by a circuit breaker and a fuse. If the
motor overheats due to heavy snow, etc.,
the wiper will stop until the motor
cools. If the overload is caused by
some electrical problem and not
snow, etc., be sure to get it fixed.
Power Windows and Other Power
Options
Circuit breakers protect the power
windows and other power accessories.
When the current load is too heavy,
the circuit breaker opens and closes,
protecting the circuit until the problem
is fixed or goes away.
. . .228

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Capacities (Approximate)
The following approximate capacities are given in U.S. and metric conversions.
Air Conditioningt
...... See the refrigerant information label under the hood.
Automatic Transmissjon Drain and Refill
....................................... 10 pt. (4.7 L)*
VIN Engine Code S ................................. 17.6 pt. (8.3 L)*
VIN Engine Code P ................................ 21.6 pt. (10.2 L)*
With Manual Transmission
............................ 12.5 qt. (1 1.8 L)
With Automatic Transmission .......................... 12.3 qt. (1 1.6 L)
With Manual Transmission ............................ 15.3 qt. (14.5 L)
With Autoqtic Transmission .......................... 15.1 qt. (14.3 L)
Overhaul
Cooling System VIN Engine Code
S
VIN Engine Code P
tNot all air conditioning refrigerants are the same. If the air conditioning system in your
vehicle needs refrigerant, be sure the proper refrigerant is used.
If you’re not sure, ask
your Chevrolet dealer.
Transmission Fluid” in the Index.
*Recheck
fluid level after filling. See “Automatic Transmission Fluid” or “Manual
.. .234

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VIN Engine Code S .................................... 4.0 qt. (3.8 L)**
Without Filter Change
................................ 4.0 qt. (3.8 L)**
With Filter Change
................................... 5.0 qt. (4.7 L)**
Fuel Tank ........................................... 15.5 gal. (58.7 L)
Five-Speed
........................................... 5.9 pt. (2.8 L)*
Six-Speed
........................................... 8.0 pt. (3.8 L)*
Rear Axle Lubricant
........................................ 3.5 pt. (1.7L)
VIN Engine Code P
Manual Transmission
Vehicle Dimensions
Tread Wheelbase
........................................... 101.1 ‘I (2 566 mm)
Front
.............................................. .60.7 ‘I (1 542 mm)
Length
.............................................. 193.2” (4 908 mm)
Coupe
............................................. 5 1.3“ (1 303 mm)
Convertible
......................................... .52.0” (1 3 12 mm)
Rear ............................................... .60.6“ (1 540 mm)
Width
............................................... 74.1 ‘I (1 883.mm)
Height
*Recheck fluid level after filling. See “Automatic Transmission Fluid” or “Manual Transmission Fluid” in the Index.
**Recheck the oil level after filling. See “Engine Oil” in the Index.
235. ..

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KEEP THE ENGINE OIL
AT THE PROPER
LEVEL AND CHANGE AS
RECOMMENDED
I
This part covers the
maintenance required for your
Chevrolet
. Your vehicle needs
these services
to retain its
safety. dependability and
emission control performance
.
Part l
Maintenance Schedule
Section
Introduction: A Word about Maintenance ........................ 238
A .
B .
C .
D .
E .
Your Vehicle and the Environment ......................... 238
How This Part Is Organized
............................... 238
Scheduled Maintenance Services ............................ 240
Using Your Maintenance Schedules ......................... 239
Selecting the Right Schedule
.............................. 239
Schedule1
............................................. 240
Schedule11
............................................ 242
Explanation
of Scheduled Maintenance Services .............. 244
Owner Checks and Services ................................ 246
AtEachFuelFill
....................................... 246
At Least Once a Month .................................. 246
AtLeastTwiceaYear
................................... 246
AtLeastOnceaYear
.................................... 247
Periodic Maintenance Inspections ........................... 249
Recommended Fluids and Lubricants ........................ 251
Maintenance Record ...................................... 253
lqq I
Have you purchased the GM Protection Plan? The Plan
supplements
your. new car warranties .
See your GM dealer for details .
237 ...

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Introduction: A Word about Maintenance
We at General Motors want to help you
keep your vehicle in good working
Condition,
But we don’t how exactly
how you’ll drive it.
You may drive very
short distances only a few times a week.
Or you may drive long distances all the
time in very hot, dusty
weather. You may
use your vehicle in making deliveries. Or
you may drive it to work, to do errands,
or in many other ways.
Because of all the different ways people
use their GM vehicles, maintenance needs
vary. You may even need more frequent
checks
and replacements than you will
find in the schedules in this part. So
please read this part and note how you
drive.
If you have any questions on how
to keep your vehicle in
good condition,
see your Ghevrolet dealer, the place
many GM owners choose to have their
maintenance
work done. Your dealer can
be relied upon to use proper parts and
practices.
Your Vehicle and the
Environment
Proper vehicle maintenance not only
keeps your vehicle in good working
condition,
but it also helps the
environment. All recommended
maintenance procedures are important.
hproper vehicle maintenance or
the
removal of important components can
significantly affect the quality of the air
we breathe. Improper fluid levels or even
the wrong tire inflation can increase the
level of emissions from your vehicle. To
help protect our environment, and to help
keep your vehicle
in good condition,
please maintain your vehicle properly.
How This Part is Organized
The remainder of this part is divided into
five sections:
“Section
A: Scheduled Maintenance
Services” shows
what to have done, and
how often. Some of these services can
be
complex, so unless you are technically
qualified and have the necessary
equipment,
you should let your dealer’s service department
or another qualified
service center
do these jobs.
If you are skilled enough to do some work
on
your vehicle, you will probably want
to get the service information GM
publishes, You will find a list of
publications and how to get them later in
this manual. See “Service Publications”
in the
Index.
“Section B: Owner Checks and Services”
tells you what should be checked
whenever
you stop for fuel. It also
explains what you can easily
do to help
keep
your vehicle in good condition.
. . .238

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Section A: Scheduled Maintenance Services (cont.)
Explanation of Scheduled
Maintenance Services
Following are explanations of the services
listed in Schedule
I and Schedule 11.
The proper fluids and lubricants to use are
listed
in Section D. Make sure whoever
services your vehicle uses these. All parts
should be replaced and all necessary
repairs done before you or anyone else
drives the vehicle.
NOTE: To determine your engine’s
displacement and code, see
“Engine Identification”
in the
Index.
ITEM
NO. SERVICE
1 Engine Oil and Filter Change” -
Always use SH or SG Energy
Conserving I1 oils of proper
viscosity. The
“SH” or “SG”
designation may be shown alone
or
in combination with others,
such as “SH/CD,”
“SH, SG,
CD,” “SG/CD,” etc. To deter-
mine the preferred viscosity for
your vehicle’s engine (e.g., SAE
ITEM
NO.
2
3
4
SERVICE
5W-30 or SAE 1OW-30)’ see
“Engine Oil”
in the Index.
Chassis Lubrication
- Lubricate
the suspension and steering
linkage. Lubricate the
transmission shift linkage.
Tire and Wheel Rotation and
InsDection
- For proper wear
and maximum tire life, rotate
your tires following the
instructions
in this manual. See
“Tires, Inspection and Rotation”
in the Index. Check the tires for
uneven wear or damage. If you
see irregular or premature wear,
check the wheel alignment.
Check for damaged wheels also.
Engine Accessory Drive Belt(s)
Inspection
- Inspect the belt(s)
for cracks, fraying, wear and
proper tension. Replace as needed. (Belts can have many
small cracks
in individual ribs
without affecting performance.)
ITEM
NO. SERVICE
5 Cooling System Service* -
Drain, flush and refill the system
with new or approved recycled
coolant conforming to
GM
Specification 1825M. Keep
coolant at the proper mixture as
specified. See “Coolant”
in the
Index. This provides proper
freeze and boil protection,
corrosion inhibitor level and
maintains proper engine
operating temperature.
Inspect hoses and replace
if they
are cracked, swollen or deterior-
ated. Tighten screw-type hose
clamps. Clean the outside
of the
radiator and air conditioning
condenser. Wash the pressure
cap and neck.
To help ensure proper operation,
we recommend a pressure test of
both the cooling system and the
pressure cap.
* An Emission Control Service.
. . .244

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NO. SERVICE
6 Transmission Service - For
manual transmissions, fluid
doesn’t require changing. See “Periodic Maintenance
Inspections.”
For automatic transmissions, 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.
When doing frequent trailer
towing.
Uses such as found in taxi,
police car or delivery service.
If
you do not use your vehicle
under any
of these conditions,
change both
the fluid and
filter every
100,000 miles
(166 000 km).
ITEM
NO.
7
8
9
10
SERVICE
Spark Plug Replacement* -
Replace spark plugs with the
proper type. See “Replacement
Parts” in the Index.
Spark Plug Wire Inspection*?
-
Inspect for burns, cracks or other
damage. Check the boot
fit at the
distributor and at the spark plugs.
Replace wires as needed.
Air Cleaner Filter Replacement*
- Replace every 30,000 miles
(50 000 km) or more often under
dusty conditions. Ask your
dealer for the proper replacement
intervals for your driving
conditions.
Fuel Tank. Cap and Lines
Inspection”?
- 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.
ITEM
NO. SERVICE
11 Rear Axle Fluid Change - If your
vehicle is used to pull
a trailer,
have the rear axle gear lubricant
changed every
7,500 miles
(12
500 km).
If your vehicle is not used
to pull
a trailer, but has a limited-slip
differential, have the rear axle
gear lubricant changed once after
the first
7,500 miles (12 500 km).
* An Emission Control Service.
t The US. Environmental Protection Agency
or the California Air Resources Board has
determined that the failure to pegorm 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.”
245.. .

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Section B: Owner Checks and Services
Listed below are owner checks and services which should be performed at the intervals specified to help ensure the safety,
dependability and emission control performance of your vehicle. Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your vehicle, make sure they are the proper ones, as shown in Section
D.
At Each Fuel Fill (It is important for you or a service station attendant to perform these underhood checks at each fuel fill.)
CHECK
OR SERVICE WHAT TO DO
Engine
Oil Level
Check the engine coolant level and add the proper coolant mix if necessary. See “Coolant” in
Engine Coolant Level Check the engine
oil level and add the proper oil if necessary. See “Engine Oil” in the Index for
Check the windshield washer fluid level
in the windshield washer tank and add the proper fluid if
Windshield Washer
Fluid Level necessary. See “Windshield
Washer Fluid”
in the Index for further details.
further details.
the Index for further details.
At Least Once
a Month
CHECK
OR SERVICE WHAT TO DO
Tire Inflation
Check tire inflation.
Make sure they are inflated to the pressures specified on the Tire-Loading
Information label located on the rear edge of the driver’s door. See “Tires” in the Index for
further details.
Cassette Deck Clean cassette deck. Cleaning should
be done every
15 hours of tape play. See “Audio Systems”
in the Index for further details.
At Least Twice a Year
CHECK
I OR SERVICE
I
Hydraulic Clutch
System Inspection
WHAT TO DO I
Check the fluid level in the clutch reservoir. See “Hydraulic Clutch Fluid” in the Index. A fluid
loss
in this system could indicate a problem. Have the system inspected and repaired at once.
. . .246

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CHECK
OR SERVICE
r
Starter Switch
WHAT TO DO
Lubricate the key lock cylinders with the lubricant specifiedin Section D.
Lubricate all body door hinges. Also lubricate all hinges and latches, including those for the hood,
rear compartment, glove box door, console door and any folding seat hardware. Section
D tells
you what to use.
1. Before you start, be sure you have enough room around the vehicle.
2. Firmly apply both the parking brake (see “Parking Brake” in the Index if necessary) and the
NOTE:
Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts.
3. On automatic transmission vehicles, try to start the engine in each gear. The starter should
work only in
“P” (Park) or “N” (Neutral). If the starter works in any other position, your
vehicle needs service.
On manual transmission vehicles, put the shift lever
in “N” (Neutral), push the clutch down
halfway and try to start the engine. The starter should work only when the clutch is pushed
down all the way to the floor. If the starter works when the clutch isn’t pushed all the way
down, your vehicle needs service.
regular brake.
247. . .

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Section B: Owner Checks and Services (Cont.)
At Least Once a Year (CONT.)
CHECK
OR SERVICE
Steering Column Lock
Parking Brake and
Automatic Transmission “P” (Park) Mechanism
Check
Underbody Flushing
WHAT TO DO
While parked, and with the parking brake set, try to turn the key to “LOCK” in each shift lever
position.
0 With an automatic transmission, the key should turn to “LOCK” only when the shift lever is
0 With a manual transmission, the key should turn to “LOCK” only when the shift lever is in
On vehicles
with a key release button, try to turn the key to “LOCK” without pressing the
button. The key should turn to “LOCK” only with the key button depressed. On all vehicles,
the
key should come out only in “LOCK.”
in “P” (Park).
“R” (Reverse).
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular
brake, set the parking brake.
0 To check the parking brake: With the engine running and transmission in “N” (Neutral),
slowly remove foot pressure from the regular brake pedal.
Do this until the vehicle is held by
the parking brake only.
brakes.
0 To check the “P” (Park) mechanism’s holding ability: Shift to “P” (Park). Then release all
At least every spring, use plain water to flush any corrosive materials from the underbody. Take
care to clean thoroughly any areas where mud and other debris can collect.
. . .248