radiator CHEVROLET CAMARO 1982 Repair Guide

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 739
3. Make sure the ignition switch has
been in the OFF position for at least 10
seconds and that all accessories are OFF.
4. Turn the ignition switch ON and the pump will run for about 2 seconds.
Note the system pressure with t he pump running, it should be between
40-47 psi.
The ignition switch may have to be cycled to the ON position more than once to
obtain maximum pressure. It is also norma l for the pressure to drop slightly
when the pump first stops, but it should then hold steady.
5. If the pressure is not as specified, verify that fuel pump operation is
heard in the tank.
6. If fuel pump operation is not heard, inspect the fuel pump relay and
wiring.
7. If fuel pump operation is heard, inspect the filter and lines for restriction.
8. Start the engine and make sure the pr essure decreases about 3-10 psi at
idle.
9. If fuel pressure does not decrease, inspect the fuel pressure regulator
and hose.
10. Disconnect the fuel pressure gauge.
THROTTLE BODY
REMOVAL & INSTALLATION 1. Disconnect the negative (-) battery c able and partially drain the radiator.
2. Remove the air inlet duct and unplug the IAC and TPS electrical connectors.
3. Label and disconnect the vacuum and coolant lines.
4. Disconnect the accelerator, thro ttle valve (transmission control) and
cruise control cables, as applicable.
5. Remove the throttle body attaching bolts, then separate the throttle body from the plenum.
6. Discard the gasket.
To install: 7. Install the throttle body to the plenum using a new gasket. Tighten the \
bolts to specification.
8. Engage the accelerator, throttle valve and cruise control cables, as
necessary. Make sure that the link ages do not hold the throttle open.
9. Connect the vacuum and coolant lines.
10. Install the air inlet duct and plug the IAC and TPS electrical connectors
into their sockets.
11. Connect the negative (-) battery cable and refill the radiator.
12. With the engine OFF, check to s ee that the accelerator pedal is free.
Depress the pedal to the floor and release.

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 792
The fluid level may be checked by obs
erving the fluid level marks of the
recovery tank. The leve l should be between the FULL HOT and FULL COLD
mark when the system is at normal operat ing temperature. When the engine is
cold, the fluid level should be above the FULL COLD mark on the reservoir. At
normal operating temperatures, t he level should be between the ADD and the
FULL marks. Only add coolant to bring the level to the FULL mark.
CAUTION - Should it be necessary to remove the radiator cap, make sure that
the system has had time to cool, reducing t he internal pressure. If the system is
opened while the engine is st ill hot, scalding fluid and steam may be blown out
under pressure.
DRAINING AND REFILLING

Fig. 2: Open radiator drain cock to drain coolant from the system

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 793

Fig. 3: Adding coolant to the recove ry tank to fill to the proper level

Fig. 4: Be sure the rubber gasket on the radiator cap has a tight seal

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 794

Fig. 5: Periodically remove all debris from the radiator fins
CAUTION - Do not remove a radiator cap wh ile the engine and radiator are still
hot. Danger of burns by scalding fluid and steam under pressure may result!
1. With a cool engine, slowly rotate t he radiator cap counterclockwise to the
detent without pressing down on the cap.
2. Wait until any remaini ng pressure is relieved by listening for a hissing
sound.
3. After all the pressure is relieved, press down on the cap and continue to
rotate the radiator cap counterclockwise.
4. With a suitable container to catc h the fluid under the radiator, open the
radiator drain cock.
5. If equipped, remove the engine blo ck drain plugs and the knock sensor,
located on either side of the engine block. This will help to drain the
coolant from the block.
6. Loosen or slide the recovery tank hos e clamp at the radiator filler neck
overflow tube and remove the hose. Holding the hose down to the drain
pan, allow the recovery tank to empty. Attach the hose to the filler neck
overflow and tighten the clamp.
7. Close the radiator drain cock and install the engine block drain plug and
knock sensor. Tighten the knock sensor to 14 ft. lbs. (19 Nm), the engine
block drain plug to 15 ft. lbs. (21 N m), and the drain cock to 13 inch lbs.
(1.5 Nm).
8. Add enough coolant mixture to fill the system to a level just below the
radiator neck. Fill the reservoir a ssembly to the "FULL COLD" mark.

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 795
Fill the cooling system wit
h a 50/50 mixture of water and Ethylene Glycol
antifreeze. Freezing protection should be appropriate for temperatures of -34°F
(-37°C). When filling the coolant system, add two cooling system sealer pellets
(GM part no. 3634621 or equivalent).
9. Firmly set the parking brake. Run t he engine with the radiator cap OFF,
until normal operating tem perature is reached.
CAUTION - Under some conditions, ethylene glycol is flammable. To avoid
being burned when adding engine coolant, do not spill it on the exhaust system
or on hot engine parts.
10. With the engine idlin g, add engine coolant to t he radiator until the level
reaches the bottom of t he radiator fill neck. Install the cap assembly.
When installing the cap, make sure t hat the arrows on the cap line up
with the overflow tube.
Never add cold water to an overheated engine.
11. Add coolant to the recovery tank, as necessary.
12. After filling the radiator and recovery tank, run the engine until it reaches
normal operating temperature, to ma ke sure that the thermostat has
opened and all the air is bled from the system.

Fig. 6: Cutaway view of a typical cooling system flow

GM – CAMARO 1982-1992 – Repair Guide (Checked by WxMax) 813

Fig. 1: Vehicle hoisting and jacking points
Never place the jack under the radiator , engine or transmission components.
Severe and expensive damage wil l result when the jack is raised. Additionally,
never jack under the floorpan or body work; the metal will deform.
Whenever you plan to work under the v ehicle, you must support it on jackstands
or ramps. Never use cinder blocks or st acks of wood to support the vehicle,
even if you're only going to be under it for a few minutes. Never crawl under the
vehicle when it is supported only by the tire-changing jack or other floor jack.
Always position a block of wood or smal l rubber pad on top of the jack or
jackstand to protect the lifting point's finish when lifting or supporting the vehicle.
Small hydraulic, screw, or sci ssors jacks are satisfactory for raising the vehicle.
Drive-on trestles or ramps are also a handy and safe way to both raise and
support the vehicle. Be careful though, some ramps may be too steep to drive
your vehicle onto without scraping t he front bottom panels. Never support the
vehicle on any suspension member (unless specifically instructed to do so by a
repair manual) or by an underbody panel.
JACKING PRECAUTIONS
The following safety points cannot be overemphasized:
• Always block the opposite wheel or wheels to keep the vehicle from
rolling off the jack.
• When raising the front of the vehicle, firmly apply the parking brake.