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Home >> GMC >> 1984 >> Forward Control 6.2 J, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Catalytic Converter >> Description & Operation >> Heat Shields
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Heat Shields

Combustion reaction, which is furthered by converter, releases additional heat. Temperature in catalytic converter can reach 1600°F (871°C) under normal conditions. Special heat shields are used to protect underbody and components from this extreme heat.