Is Engine Cylinder Oil Leakage Serious?

[DeTanner]

Engine cylinder oil leakage is serious. The majority of engine oil leaks are related to the aging or deformation of rubber sealing rings. The most direct and effective solution is to replace all the sealing rings. Causes of engine cylinder oil leakage: The cylinder head gasket between the upper and lower cylinder blocks burns through, allowing gas to escape and causing lubricating oil to seep out (located towards the upper middle of the engine); insufficient adhesive at the joint between the lower cylinder block and the base cylinder block, creating gaps that lead to oil seepage; uneven application of sealant between the oil pan and the engine block, resulting in weak points and oil seepage. Hazards of engine cylinder oil leakage: Loss of engine oil, engine damage, engine oil leakage, valve cover oil leakage, oil filter leakage, crankshaft oil seal leakage, etc.

[LenaAnn]

As a frequent driver, I've learned that engine cylinder oil leaks are no trivial matter. Last summer, my old car had a similar issue where oil leaked from around the cylinder and dripped onto the exhaust manifold, nearly causing a fire. Fortunately, I stopped and dealt with it in time. The mechanic later explained that oil leaks lead to insufficient lubrication, increasing friction between the pistons and cylinder walls, and causing engine temperatures to soar. Not only does this drastically increase fuel consumption, but it can also burn out the entire engine. That repair cost me over 2,000 yuan, a lesson well learned. So, I recommend regularly checking the cylinder seals and heading to a professional shop immediately if you notice oil stains or unusual smells. Small issues can become much bigger problems if left unattended. Adding a cylinder pressure test to your routine maintenance is also a smart move—it saves hassle and keeps you safe.

[Daedalus]

Cylinder oil leakage is a serious issue, and I'll explain from a safety perspective: When engine oil leaks and comes into contact with high-temperature components such as exhaust pipes or turbochargers, it can easily ignite, posing a high risk of fire. Lubrication failure will cause rapid wear of internal parts, affecting engine lifespan, and increases risks especially during long-distance high-speed driving. Ignoring it may lead to sudden vehicle breakdown, endangering both yourself and others. I've seen cases where oil leakage caused smoke and fire - it must be addressed promptly. It's best to check for oil stains in the engine compartment weekly, keep it clean, and immediately visit a repair shop if any issues are found. Don't try to save money on this - it's not worth compromising safety.

[DelAsher]

I think the cylinder oil leakage issue is quite serious, so it's better to address it early. You can do a simple check yourself: look for oil drops on the ground or any wet signs around the engine. If there's a leak, it's mostly due to a damaged cylinder head gasket or sealing ring, which requires replacing with new parts for repair. Delaying it may lead to insufficient lubrication and cause major engine problems. So don't take it lightly—get it fixed at a professional shop quickly. For regular maintenance, just pay attention to dust prevention and sealing inspections.