Worn-Out Gaskets and Seals

Gaskets and seals are crucial components that prevent oil leaks by creating tight connections between engine parts. Over time, heat, pressure, and normal wear can deteriorate these parts, leading to oil seepage. A worn and failing oil pan gasket, valve cover gaskets, or front or rear crankshaft seals are common causes of oil leaks. Identifying and replacing these worn-out parts is essential to preventing further leaks and potential engine damage.

Damaged Oil Pan

The oil pan is located beneath the engine and serves as a reservoir for oil. Because of its location, it is susceptible to damage from road debris and speed bumps. A punctured or cracked oil pan can result in significant oil leakage, so if you notice oil accumulating near the front of the car, inspect the oil pan for any visible damage, and consult a mechanic for inspection and repairs or replacement parts.

Faulty Oil Filters

Oil filters are responsible for removing impurities from the engine oil. If an oil filter is incorrectly installed, damaged or past its service life, it may fail to perform its function effectively, which can result in an oil leak. Changing the oil filter at each routine oil change interval can help prevent potential filter-related oil leakage issues.

Loose Drain Plugs

During every oil change, the drain plug is removed to empty the old oil from your engine. Due to frequent handling, this component can become loose, and the nearby gasket or seal can also wear down. If you notice a leak in this area, your oil plug might be loose — simply tightening it may resolve the issue. If that doesn’t work, however, you’ll likely need to swap out the drain plug, a gasket or a seal with a new one.

Cracked Engine Block or Cylinder Head

In rare cases, an engine block or cylinder head may develop cracks due to extreme temperature fluctuations or engine overheating. These cracks can disrupt the integrity of the engine’s oil passages, resulting in oil leaks. If you suspect a cracked engine block or cylinder head, get the help of a professional promptly, especially since these repairs can be complex and costly.

Prevent Future Oil Leaks with METRO

A car leaking oil can be a cause for concern, as it not only indicates a potential problem but can also lead to engine damage if left unaddressed. If you notice a leak, take your car to your trusted mechanic to get it checked out promptly. 

Regular maintenance, including oil changes, inspections and repairs by qualified professionals, is key to preventing future oil leakage issues. At Metropolitan Garage in Fairbanks, AK, our team of ASE Certified Master Technicians understand your vehicle and how it performs in our unique climate. We are vigilant about both urgent repairs and routine maintenance. Contact us today to learn more about our local Fairbanks auto repair shop or to schedule your next maintenance or repair appointment.