1982 CHEVROLET CAMARO check oil

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 113
1. Remove 2/3 of the brake fluid from the ma
ster cylinder. Raise the car.
Remove the wheel. Reinstall a wheel nut, with the flat side toward the rotor,
to hold the rotor in place.
2. Loosen the parking brake cable at the equalizer. At the caliper, remove the
parking brake cable, damper and spring from the lever.
3. Hold the parking brake lever and re move the lock nut. Remove the lever,
seal and anti-friction washer.
4. Position a C-clamp ov er the caliper and force the piston into its bore.
Remove the C-clamp. Rein stall the lever, seal and nut to the caliper.
5. Loosen the brake tube nut and disc onnect the brake tube from the caliper.
Plug the tube to prevent t he loss of brake fluid.
At the right rear wheel, it may be necessary to remove the rear bolt from the
lower control arm to allow the lower caliper mounting bolt to be removed.
6. Remove the mounting bolts using a
3/8 in. Allen head socket. Remove the
caliper and inspect the mounting bolts for corrosion. If necessary, replace
the mounting bolts.
To install:
7. Place the caliper onto the rotor and install the m ounting bolts. Torque the
mounting bolts to 30-45 ft . lbs. (40.7-61 Nm).
8. Install a new anti-friction washer and lubricate the lever with silicone brake
lube. Install the lever on the actuator with the lever pointing down. Rotate the
lever toward the front of the car and hol d while installing the nut. Torque the
nut to 30-40 ft. lbs. (40.7-54.2 Nm), then rotate the lever back against the
stop on the caliper.
9. Install damper and spring. Connect the parking brake cable. Tighten the
cable at the equalizer until the lever starts to move off the stop on the
caliper, then loosen the adjustment unt il the lever moves back against the
stop.
10. Remove the nut holding the rotor in place and install the wheel. Lower the
car and fill the master cylin der with brake fluid.
1989-92 MODELS
1. Raise and safely support the vehicle.
2. Loosen the parking brake cable at the equalizer.
3. Remove the wheel and tire assembly. Inst all 2 wheel nuts to retain the rotor.
4. Remove the bolt, inlet fitting and was hers from the caliper housing. Plug the
holes in the caliper housing and inlet fitting.
5. Remove the caliper lever return spri ng only if it is defective. Discard the
spring if the coils are opened.
6. Disconnect the parking brake cable from the caliper lever and caliper
bracket.
7. Remove the 2 caliper guide pin holes.
8. Remove the caliper housing from the rotor and mounting bracket.
To install:

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 118
9. Remove the caliper lever pivot pin s
eal, sprag clip, spring and lever. Discard
the clip.
10. Inspect the caliper lever for worn spots, replace as necessary.
11. Remove the 2 guide pins from the mounting bracket.
12. Clean all parts not included in the r ebuild kit in denatured alcohol. Use only
dry filtered compressed air to dry parts . Replace the caliper housing if badly
scored or corroded.
To install:
13. Lubricate the new piston s eal with clean brake fluid. Place the seal into the
caliper groove, making sure t he seal is not twisted.
14. Install the piston. Lubricate seal s and piston with brake fluid prior to
reinstallation.
15. Assemble the pushrod, 2 new boots and new retainers to the actuating
collar.
16. Lightly coat the actuat ing collar with the lubricant provided in the rebuild kit.
Do not use any other type of lubricant.
17. Install the clamp retainers firmly agains t the actuating collar. Bend the tabs
on the retainer to hold the assembly together.
18. Install the preload spring into the boot retainers.
19. Install the clamp rod to the actuati ng collar and boot. Lubricate the clamp rod
with the lubricant supplied in the kit.
20. Slide the clamp rod th rough the holes in the boot and actuating collar. The
boot must be against the reacti on plate on the clamp rod.
21. Lubricate and install t he new compliance bushing with the lubricant supplied
in the kit.
22. Install the clamp rod with assembled parts into the connecting hole in the
caliper piston.
23. Install a new bleeder valve.
24. Install the pivot pin and new nut into the housing, if removed.
25. Install the caliper pivot pin seal, parking brake lever, new sprag clip and
spring, in that order. The teeth of the sprag clip mu st face away from the
lever.
26. Install the 2 collar return springs to the retainer. The retainer must enter the
return springs at the end of the second coil.
27. Install the adjuster screw into the cali per housing until the actuating collar is
parallel to the piston bore face of the caliper housing.
28. Lubricate and then install the guide pi ns and boots. Install the pads and
caliper assembly.
29. Bleed the brake system.
BRAKE DISC (ROTOR)
REMOVAL & INSTALLATION
CAUTION - Brake pads contain asbestos, which has been determined to be a
cancer causing agent. Never clean the brake surfaces with compressed air!
Avoid inhaling any dust from any brake surface! When cleaning brake surfaces,
use a commercially available brake cleaning fluid.

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 129
THE BATTERY
In most modern vehicles, the battery is
a lead/acid electrochemical device
consisting of six 2 volt subs ections (cells) connected in se ries, so that the unit is
capable of producing approximately 12 volt s of electrical pressure. Each
subsection consists of a series of positive and negative plates held a short
distance apart in a solution of sulfuric acid and water.
The two types of plates are of dissim ilar metals. This sets up a chemical
reaction, and it is this r eaction which produces current flow from the battery
when its positive and negative terminals are connected to an electrical \
load .
The power removed from the battery is r eplaced by the alternator, restoring the
battery to its original chemical state.
THE ALTERNATOR
On some vehicles there isn't an alter nator, but a generator. The difference is
that an alternator supplies alternating current which is then changed to direct
current for use on the vehicle, while a generator produces direct current.
Alternators tend to be more efficient and that is why they are used.
Alternators and generators are devices t hat consist of coils of wires wound
together making big electrom agnets. One group of coils spins within another set
and the interaction of the magnetic fields causes a current to flow. This current
is then drawn off the coils and fed into the vehicles electrical system.
GROUND
Two types of grounds are used in automot ive electric circuits. Direct ground
components are grounded to the frame thr ough their mounting points. All other
components use some sort of ground wire which is attached to the frame or
chassis of the vehicle. The electrical current runs through the chassis of the
vehicle and returns to the battery thr ough the ground (—) cable; if you look,
you'll see that the battery ground cabl e connects between the battery and the
frame or chassis of the vehicle.
It should be noted that a good percentage of electrical problems can be traced
to bad grounds.
PROTECTIVE DEVICES
It is possible for large surges of current to pass through the electrical system of
your vehicle. If this surge of current we re to reach the load in the circuit, the
surge could burn it out or severely dam age it. It can also overload the wiring,
causing the harness to get hot and melt t he insulation. To prevent this, fuses,
circuit breakers and/or fusible links are connected into the supply wires of the
electrical system. These items are nothing more than a built-in weak spot in the
system. When an abnormal amount of curr ent flows through the system, these
protective devices work as fo llows to protect the circuit:

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 132
Some electrical components which require
a large amount of current to operate
use a special switch called a relay. Sinc e these circuits carry a large amount of
current, the thickness of the wire in the ci rcuit is also greater. If this large wire
were connected from the load to the c ontrol switch, the switch would have to
carry the high amperage load and the fair ing or dash would be twice as large to
accommodate the increased size of t he wiring harness. To prevent these
problems, a relay is used.
Relays are composed of a coil and a se t of contacts. When the coil has a
current passed though it, a magnetic fiel d is formed and this field causes the
contacts to move together, completing the circuit. Most relays are normally
open, preventing current from passing thr ough the circuit, but they can take any
electrical form depending on th e job they are intended to do. Relays can be
considered "remote control switches." They allow a smaller current to operate
devices that require higher amperages. W hen a small current operates the coil,
a larger current is allo wed to pass by the contacts. Some common circuits
which may use relays are the horn, headlight s, starter, electric fuel pump and
other high draw circuits.

Fig. 3: Relays are composed of a coil and a switch. These two components are
linked together so that w hen one operates, the other operat es at the same time.
The large wires in the circuit are connect ed from the battery to one side of the
relay switch (B+) and from the opposite side of the re lay switch to the load
(component). Smaller wires are connected from the relay coil to the control
switch for the circuit and from the opposite side of the relay coil to ground
LOAD
Every electrical circuit must include a "load" (something to use the electricity
coming from the source). Without this l oad, the battery would attempt to deliver
its entire power supply from one pole to another. This is called a "short circuit."
All this electricity would take a short cut to ground and cause a great amount of
damage to other components in the circui t by developing a tremendous amount
of heat. This condition could develop suffici ent heat to melt the insulation on all
the surrounding wires and reduce a multiple wire cable to a lump of plastic and
copper.

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 137
voltage) is present; it only means that so
me voltage is present. It is advisable
before using the test light to touch its ground clip and probe across the battery
posts or terminals to make sure the light is operating properly.
WARNING - Do not use a test light to probe electronic ignition, spark plug or
coil wires. Never use a pick-type test light to probe wiring on computer
controlled systems unless spec ifically instructed to do so. Any wire insulation
that is pierced by the test light pr obe should be taped and sealed with silicone
after testing
Like the jumper wire, the 12 volt test li ght is used to isolate opens in circuits.
But, whereas the jumper wire is used to bypass the open to operate the load,
the 12 volt test light is us ed to locate the presence of voltage in a circuit. If the
test light illuminates, there is power up to t hat point in the circuit; if the test light
does not illuminate, there is an open circui t (no power). Move the test light in
successive steps back toward the power source until the light in the handle
illuminates. The open is between the pr obe and a point which was previously
probed.
The self-powered test light is similar in design to the 12 volt test light, but
contains a 1.5 volt penlight battery in the handle. It is most often used in place
of a multimeter to check for open or shor t circuits when power is isolated from
the circuit (continuity test).
The battery in a self-powered test light does not provide much current. A weak
battery may not provide enough power to illuminate the test light even when a
complete circuit is made (especially if there is high resistance in the circuit).
Always make sure that the test battery is strong. To check the battery, briefly
touch the ground clip to the pr obe; if the light glows brightly, the battery is strong
enough for testing.
A self-powered test light should not be used on any co mputer controlled system
or component. The small amount of electr icity transmitted by the test light is
enough to damage many electr onic automotive components.
MULTIMETERS
Multimeters are an extremely useful tool for troubleshooting electrical problems.
They can be purchased in either analog or digital form and have a price range
to suit any budget. A multimeter is a voltmeter, ammeter and ohmmeter (along
with other features) combined into one instrument. It is often used when testing
solid state circuits because of its hi gh input impedance (usually 10 megaohms
or more). A brief description of the mult imeter main test functions follows:
• Voltmeter - the voltmeter is used to measure voltage at any point in a
circuit, or to measure the voltage drop across any part of a circuit.
Voltmeters usually have various scales and a selector switch to allow the
reading of different volt age ranges. The voltmeter has a positive and a
negative lead. To avoid damage to the meter, always connect the
negative lead to the negative (—) side of the circ uit (to ground or nearest

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 147
SYSTEM OPERATION
The main portions of the SIR system
are the deployment loops and the
Diagnostic Energy Reserve Module (D ERM). The main function of the
deployment loops is to supply current through the inflator module(s), which will
cause deployment of the air bag(s) in t he event of a frontal crash of sufficient
force. The arming sensor, SIR coil assembly (driver side only), passen\
ger
inflator module jumper (passenger side only), inflator module(s), passenger
compartment discriminating sensor and fo rward discriminating sensor make up
the deployment loops.
The DERM has two functions. One to supply the deployment loops with a 36
volt reserve to ensure sufficient energy is available to deploy the airbag(s) if the
battery voltage feed to the arming sensor is lost during a frontal crash. Another
function is SIR electrical system diagnostics.
The arming sensor switches power to th e inflator module(s) on the high side
(power side) of the deployment loops. Ei ther of the discriminating sensors can
supply ground to the inflator module(s) on the low side (ground side) of the loop.
The inflator module(s) ar e only supplied sufficient cu rrent to deploy when the
arming sensor and at least one of the two discriminating sensors are closed
simultaneously.
SYSTEM COMPONENTS
DIAGNOSTIC ENERGY RESERVE MODULE
The DERM is designed to perform the following functions in the SIR system:
• Energy Reserve - Maintains 36 volt energy reserve(s) to provide
deployment energy when the vehicle volt age is low or lost in a frontal
impact
• Malfunction Detection - Performs diagnostic monitoring of the SIR
system electrical components
• Malfunction Recording - Provides diagnostic trouble code information
• Frontal Crash Recording - Record s the SIR system status during a
frontal crash
WARNING LAMP
The "INFL REST" or "AIR BAG" warning lamp is used to do the following:
• Verify lamp and DERM oper ation by flashing seven to nine times when
the ignition key is first turned ON
• Warn the driver of SIR electrical system faults which could potentially
affect the operation of the SIR system
• Provide diagnostic information by fl ashing the fault codes when the
diagnostic mode is enabled

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 148
ARMING SENSOR
The arming sensor is a protective switch
located in the power feed side of the
deployment loop. It is calibrated to clos e at low level velocity changes (lower
than the discriminating sens ors). This assures that the inflator module is
connected directly to the 36 volt output of the DERM or battery voltage feed
when either of the discrim inating sensors close.
DISCRIMINATING SENSORS
The discriminating sensors are wired in parallel on the ground side of the
deployment loop. These sensors are calib rated to close with velocity changes
which are severe enough to warrant deployment.
SIR COIL ASSEMBLY
The SIR coil assembly consists of two cu rrent carrying coils. They are attached
to the steering column and allow rotation of the steering wheel while maintaining
continuous contact of the deployment loop to the inflator module.
INFLATOR MODULES
Each inflator module consists of an inflat able bag and an inflator (a canister of
gas generating material with an initiati ng device). When the vehicle is in a
frontal crash of sufficient force, current flows through the deployment loops.
Current flowing through the initiator ignite s the material in the inflator module.
The gas produced from this reaction rapidly inflates the air bag.

Fig. 2: Forward discriminating se nsor location on 1990-1992 models

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 206
Headlight adjustment may
be temporarily made using a wall, as described
below, or on the rear of another vehicle. When adjust ed, the lights should not
glare in oncoming car or truck windshi elds, nor should they illuminate the
passenger compartment of vehi cles driving in front of you. These adjustments
are rough and should always be fine-t uned by a repair shop which is equipped
with headlight aiming t ools. Improper adjustments may be both dangerous and
illegal.
For most of the vehicles covered by th is information, horizontal and vertical
aiming of each sealed beam unit is provided by two adjusting screws which
move the retaining ring and adjusting plat e against the tension of a coil spring.
There is no adjustment for focus; this is done during headlight manufacturing.
Because the composite headlight asse mbly is bolted into position, no
adjustment should be necessary or possibl e. Some applications, however, may
be bolted to an adjuster plate or may be retained by adjusting screws. If so,
follow this procedure when adjusti ng the lights, BUT always have the
adjustment checked by a reputable shop.
Before removing the headlight bulb or di sturbing the headlamp in any way, note
the current settings in order to ease headlight adjustment upon reassembly. If
the high or low beam setting of the old la mp still works, this can be done using
the wall of a garage or a building:
1. Park the vehicle on a level su rface, with the fuel tank about
1/2 full and
with the vehicle empty of all extra cargo (unless normally carried). The
vehicle should be facing a wall whic h is no less than 6 feet (1.8m) high
and 12 feet (3.7m) wide. The front of the vehicle should be about 25 feet
from the wall.

Fig. 5: Location of the aiming screw s on most vehicles with sealed beam
headlights