How to Troubleshoot Engine Oil Leakage Issues?
1 Answers
Methods to resolve engine oil leakage issues: 1. Replace the piston and piston rings. 2. Replace the cylinder liner or rebore the cylinder. 3. Reassemble the piston rings. 4. Scrape off the scale in the cylinder liner bore and replace the cylinder liner. 5. Replace the valve oil seal, valve, and valve guide. Below are the reasons for engine oil leakage: (1) Excessive wear of the cylinder wall and piston skirt. (2) Cylinder scoring. (3) Piston ring misalignment. (4) Piston ring fatigue. (5) Incorrect installation of twisted rings or tapered rings. (6) Excessive tightness between the wet cylinder liner and the cylinder block bore. (7) Loose fit between the valve stem and valve guide.