2003 Hyundai Tiburon Owner's Manual - Page 138

DO-IT-YOURSELF MAINTENANCE spark plugs and can be identified by blue lines on the ceramic shell. G060C01GK-GET Changing the Spark Plugs NOTE: Do not clean or regap platinum-tipped spark plugs. G060B01GK-AAT Replacing the Spark Plugs The spark plugs should be changed at the intervals specified in the vehicle maintenance schedule in Section 5 or whenever engine performance indicates they should be changed. Symptoms that suggest poor spark plug performance include engine misfiring under load, loss of fuel economy, poor acceleration, etc. When spark plugs are replaced, always use spark plugs recommended by Hyundai. The use of other spark plugs can result in loss of performance, radio interference or engine damage. G060C02GK G060C01GK WARNING: It is recommended that the engine be cool or cold when changing the spark plugs. If the engine is hot, you could burn yourself on the insulated connector, the spark plug or the engine itself. 4. When preparing to remove the old spark plug, guide the socket down over the spark plug, being careful not to damage the ceramic insulator. 5. To remove the old spark plug, turn the wrench handle in a counterclockwise direction. 6. To install the new spark plug, guide the socket down over the spark plug, being careful not to damage the ceramic insulator. You will find it easier to change spark plugs if the engine is cold. Always change one spark plug at a time. This helps avoid getting the wires mixed up. 1. Remove the center (2.0 L) cover on the engine rocker cover. NOTE: When replacing the spark plug, always use the genuine parts recommended. Recommended Spark Plugs: Type RC10YC4(CHAMPION) BKR5ES-11(NGK) RC10PYPB4(CHAMPION) PFR5N-11(NGK) Remark 2.0L 2.7L NOTE: It is recommended that the spark plugs (For 2.7L Engines) should be changed by an authorized Hyundai dealer. 2. Using a clean cloth, remove any dirt that has accumulated around the base of the spark plug so it cannot fall into the cylinder when the spark plug is removed. 3. To remove the spark plug cable, pull straight up on the insulated connector, not the cable. Pulling on the cable may damage the carbon core conductor. 6-7