NEXON

1.2L REVOTRON ENGINE 65 5. Detach the cover through hinge action. 6. Remove the air filter element. INSPECTION 1. Hold the air filter element up to a light source. Light should be visible through the element. There should be no holes or tears in the element. 2. The filter can also be cleaned using low pressure compressed air. 3. Replace the filter element if torn or light is not visible through the filter. INSTALLATION 1. Place the air filter element. 2. For re-assembling the cover, please ensure that all the hinge lugs are properly assembled in the slot of the air filter housing body, before tightening the screws. IV. SPARK PLUG REPLACEMENT DESCRIPTION Engine spark plugs are an integral part of engine performance and fuel economy. Worn, damaged, or spark plugs with excessive carbon buildup may cause the engine not to start, misfire, or cause poor fuel economy. Replace the spark plugs as a set every 30,000 km or sooner as needed using the part numbers and gap setting in Table. Spark Plug Part No. Gap Setting (mm) BOSCH, YR5NII33S 0.7 - 0.8 BOSCH, YR5ME0 REMOVAL 1. Park the vehicle on a level surface, engage the parking brake, and raise the hood. 2. Clean any dirt and debris from around the spark plugs and spark plug ignition coils. NOTE  To avoid confusion, remove and replace one spark plug at a time. 3. Disconnect the spark plug top coil from the spark plug by gripping the boot and pulling. 4. Use M16 Socket to remove the spark plug from the cylinder head.