2004 Chevrolet Aveo SPARK PLUG REMOVAL AND INSTALLATION MANUAL

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Courtesy of GENERAL MOTORS CORP. 2. Loosen the 4 bolts and remove the engine cover. Fig. 117: Identifying Spark Plug & Wire Courtesy of GENERAL MOTORS CORP. 3. Remove the spark plug wires from the spark plugs. Refer to Spark Plug Wire Replacement . 4. Remove the spark plugs from the engine. Courtesy of GENERAL MOTORS CORP. 2. Loosen the 4 bolts and remove the engine cover. Fig. 117: Identifying Spark Plug & Wire Courtesy of GENERAL MOTORS CORP. 3. Remove the spark plug wires from the spark plugs. Refer to Spark Plug Wire Replacement . 4. Remove the spark plugs from the engine. Fig. 118: Identifying Spark Plug & Wire Courtesy of GENERAL MOTORS CORP. NOTE: Be sure plug threads smoothly into cylinder head and is fully seated. Use a thread chaser if necessary to clean threads in cylinder head. Cross- threading or failing to fully seat spark plug can cause overheating of plug, exhaust blow-by, or thread damage. Follow the recommended torque specifications carefully. Over or under-tightening can also cause severe damage to engine or spark plug. 2. Install the spark plugs to the engine. Tighten: Tighten the spark plugs to 25 N.m (18 lb ft). 3. Install the spark plug wires to the spark plugs. Refer to Spark Plug Wire Replacement . Fig. 119: Identifying Cover Screws Courtesy of GENERAL MOTORS CORP. 4. Install the engine cover and tighten the 4 bolts. Tighten: Tighten the engine cover bolts to 3 N.m (31 lb in).