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Home >> Chevrolet >> 2004 >> Optra5 Base, Standard >> Repair and Diagnosis >> General Information >> OEM General Information >> Cautions And Notices >> Introduction >> Knock Sensor Service Caution
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Knock Sensor Service Caution

CAUTION: Hot engine coolant may cause severe burns. Although the cooling system has been drained, coolant still remains in the engine water jacket. This coolant will drain with the removal of the knock sensor.