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What Causes Oil Leakage Under the Car After Parking?

1Answers
MacDonovan
08/25/2025, 11:46:52 PM

The reasons for oil leakage under the car after parking are: 1. Uneven tightening torque of fastening nuts, stripped threads, or loose and detached nuts leading to operational failure; 2. Poor product quality, substandard materials or manufacturing processes, and flawed structural design; 3. Excessive lubrication oil, high oil level, or incorrect oil type used; 4. Improper installation not following operational procedures; 5. Blocked vent plugs or check valves causing oil leakage at weak sealing points. The locations of oil leakage include: 1. Shock absorber oil leakage; 2. Brake master cylinder, wheel cylinder, or ABS pump oil leakage; 3. Clutch master cylinder or wheel cylinder oil leakage; 4. Half-shaft oil seal leakage; 5. Rear differential oil seal leakage; 6. Transmission oil pan leakage.

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