How to Solve Cylinder Air Leakage?

2 Answers
Blake
07/25/25 2:34pm
Cylinder air leakage can be resolved through the following methods: 1. When the piston ring's elasticity weakens, replace the piston ring; 2. If the piston ring is stuck in the piston ring groove, use a triangular scraper to pry it open, file it smooth, and then reinstall it into the piston ring groove to ensure free rotation; 3. If the contact between the valve head and valve seat is not tight, and the erosion is not severe, re-grind them, clean thoroughly with kerosene, and then check with kerosene to confirm good sealing; 4. If the valve seat ring is loose, replace it. The engine's function is to convert the thermal energy of gasoline or diesel into mechanical energy by expanding gases after combustion in a sealed cylinder, thereby pushing the piston to perform work. The engine consists of: 1. Valve train; 2. Crankshaft connecting rod mechanism; 3. Ignition system; 4. Cooling system; 5. Lubrication system; 6. Starting system; 7. Fuel supply system. Engine maintenance methods include: 1. Using qualified engine oil; 2. Using qualified coolant and antifreeze; 3. Regularly cleaning the radiator scale; 4. Regularly removing engine carbon deposits; 5. Periodically replacing the three filters of the car; 6. Maintaining reasonable engine speed.
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LeEmma
08/11/25 9:08pm
When driving my old car, I experienced cylinder leakage, severe shaking, sluggish acceleration, and a spike in fuel consumption. The issue was caused by aging valve seals, with the leakage reducing combustion efficiency. I took it to the repair shop, where the mechanic performed a compression test, confirmed the problem, and replaced the seals and cylinder gasket. It’s important to watch for warning signs like hard cold starts or abnormal exhaust smoke, which may indicate leakage. Regular maintenance can prevent this—for example, checking spark plugs and valve clearance every 50,000 km. Delaying repairs can lead to engine overheating or even damage. That incident cost me a few hundred bucks, and I regretted not inspecting it sooner. Don’t ignore minor symptoms—early fixes save hassle and money.
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