GM Camaro 1967-1981 Repair Guide

Cooling System

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See Figures 1 through 12

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Fig. Fig. 1: The coolant recovery (overflow) tank is designed to maintain a full level in the cooling system regardless of engine temperature-the tank is mounted on the right-hand inner fender skirt



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Fig. Fig. 2: Be sure the rubber gasket on the radiator cap has a tight seal



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Fig. Fig. 3: Periodically remove all debris from the radiator fins



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Fig. Fig. 4: Cooling systems should be pressure tested for leaks periodically



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Fig. Fig. 5: Cutaway view of a typical cooling system flow



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Fig. Fig. 6: Make absolutely certain that the engine is cold, then lift the lever on the radiator cap to allow any pressure to escape from the cooling system ...



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Fig. Fig. 7: ... then remove the radiator cap by turning it 1/4 revolution counterclockwise



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Fig. Fig. 8: If the radiator is to be drained, locate the drain valve (arrow) on the lower left or right-hand side of the radiator ...



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Fig. Fig. 9: ... then loosen the drain valve and allow the coolant to flow into a large catch pan



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Fig. Fig. 10: Make sure the drain valve is closed and fill the radiator with a 50/50 mixture of water and antifreeze ...



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Fig. Fig. 11: ... then install the radiator cap-remove the overflow cap from the overflow (expansion) tank ...



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Fig. Fig. 12: ... and fill the overflow tank to the FULL COLD mark with the same mixture of water and antifreeze

Dealing with the cooling system can be a dangerous matter unless the pr