What Causes a Car Fuel Tank to Leak?

1 Answers
NorahDella
07/30/25 6:03am
Here are the specific reasons for a car fuel tank leaking: 1. Incorrect oil viscosity: Leakage occurring after an oil change may be due to the newly replaced oil being too thin and not meeting the original vehicle's standard specifications, causing the engine oil pan to leak. 2. Excessive oil addition: If the engine oil pan and other components are normal but leakage still occurs, it might be due to overfilling the oil. 3. Loose drain plug: This often happens when frequently driving on poor road conditions. It's advisable to replace the drain plug gasket regularly according to the maintenance cycle. 4. Aging gasket: Localized leakage from the oil pan gasket can be caused by aging or poor-quality gaskets, requiring replacement of the oil pan gasket or applying sealant to the leaking area for repair.
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