Remove the cylinder head - open the body side cover - remove the connecting rod cover - push the piston rod assembly up - remove the piston pin - remove the piston assembly - remove the piston liner cylinder and replace it with a new one. Things to note during installation:
1. Do not install the pit in the combustion chamber on the piston head in the opposite direction.
2. Do not install the gas ring and oil ring in the wrong position and order in the piston ring. The segment openings must be in the wrong position. The inside notch of the twisted segment should be facing up and. the outer notch should be down.
3. The connecting rod screws should be tightened to the specified torque, and if there is a locking plate, lock the locking plate.
Due to the different spark plug materials, the types of spark plugs can be divided into: nordinary copper core, yttrium gold, platinum, iridium gold, platinum-iridium alloy spark plugs, etc. The types of spark plugs are different, and there are also differences in the replacement mileage, which should be clearly distinguished when choosing.
Generally speaking, under normal use, the life of ordinary spark plugs is 30,000 kilometers, while the life of metal spark plugs valuable is 60,000 to 90,000 kilometers. The maintenance intervals specified by the car manufacturers of different models. They are not exactly the same, so the specific replacement cycle should also be based on the standards specified by the car manufacturer. Do not extend it at will so that you have to replace it at an appropriate time.
If you notice that the vehicle's fuel consumption is increasing, you may consider replacing thespark plugs. Generally, repair shops recommend replacing them every 20,000 to 30,000 kilometers, because even if the spark plugs are not completely damaged at that time. Over time, their effectiveness has diminished. Actually, it depends on the quality of the spark plug. Regular spark plugs need to be replaced every 30,000 to 40,000 kilometers, while platinum and iridium spark plugs need to be replaced every 60,000 to 80,000 kilometers. Generally, it ranges from a few dozen yuan to a hundred yuan. Find a reliable repair shop for installation. The installation process takes little time and you can usually check it yourself. This can save money and prevent unscrupulous repair shops from reusing used spark plugs removed from other people's cars.